CN109110577A - Rub uniform air-expanding shaft - Google Patents
Rub uniform air-expanding shaft Download PDFInfo
- Publication number
- CN109110577A CN109110577A CN201811060868.5A CN201811060868A CN109110577A CN 109110577 A CN109110577 A CN 109110577A CN 201811060868 A CN201811060868 A CN 201811060868A CN 109110577 A CN109110577 A CN 109110577A
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- CN
- China
- Prior art keywords
- shaft
- hollow shaft
- air inlet
- block
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid
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- Actuator (AREA)
Abstract
The present invention relates to a kind of air-expanding shaft, in particular to a kind of uniform air-expanding shaft of friction.A kind of technical solution are as follows: uniform air-expanding shaft of friction, it include hollow shaft, the axial ends of hollow shaft is equipped with shaft, several symmetrically arranged mounting grooves are offered on the outer peripheral surface of hollow shaft, being equipped in mounting groove can be along the key block of the longitudinally reciprocal lifting of mounting groove, the inside of hollow shaft is equipped with the lifting assembly of driving key block lifting, supporting plate is equipped between key block and lifting assembly, lifting assembly includes in the intracorporal cylinder block of hollow shaft, several extending columns be connected with cylinder block are respectively equipped on the outer peripheral surface of cylinder block, piston body is equipped in extending column, one end of piston body and supporting plate link, on hollow shaft the air inlet of gas source can be provided to cylinder block.By adopting the above technical scheme, one kind uniform air-expanding shaft that can provide that each key block lifting in enough support forces, its surface is consistent, structure simply rubs is provided.
Description
Technical field
The present invention relates to a kind of air-expanding shaft, in particular to a kind of uniform air-expanding shaft of friction.
Background technique
Air-expanding shaft is the special winding of one kind, unreeling shaft, that is, passing through high-pressure aerated rear surface can be with protrusion, after deflation
The axis that surface part retracts rapidly.
The purposes of air-expanding shaft is wider, has the machine that winds, unreel, cutting, all applicable air-expanding shaft, such as: printer, soft
Print machine, notch board machine, label printing machine, coating machine, embossing machine etc..
Traditional air-expanding shaft is mainly made of axis body, and several mounting grooves are uniformly offered on the outer peripheral surface of axis body, installation
There is the key block that can implement the expansion tube of expansion by gas and be bonded with expansion tube, key block is compressed by expansion tube in slot
Afterwards, outside the outer peripheral surface that may extend to axis body towards one end outside mounting groove.When being not injected into gas in expansion tube, then key block
Outer surface is parallel with the outer peripheral surface of axis body.
For expansion tube by after injection gas, the pressure at each position is inconsistent, will lead to the key block in different location and extends
Inconsistent to outer angle or height, the cloth, film or paper for being covered in axis body surface not only obtain the expansion of tension, counter to attend the meeting
Make product breakage.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind can provide enough support forces, each key in its surface
Block lifting is consistent, structure simply rubs uniform air-expanding shaft.
To achieve the above object, the present invention provides the following technical scheme that a kind of uniform air-expanding shaft of friction, feature exist
In: it include hollow shaft, the axial ends of hollow shaft, which is respectively equipped with, to be secured to and concentric shaft, hollow shaft
Offer several symmetrically arranged mounting grooves on outer peripheral surface, be equipped in mounting groove can along the key block of the longitudinally reciprocal lifting of mounting groove,
The inside of hollow shaft is equipped with the lifting assembly of driving key block lifting, and supporting plate, institute are equipped between the key block and lifting assembly
The lifting assembly stated include in the intracorporal cylinder block of hollow shaft, cylinder block outer peripheral surface on be respectively equipped with several and cylinder
The extending column of body conducting, interior be equipped with of extending column can be contradicted the piston body extended towards extending column outside by gas source in cylinder block,
One end of piston body and supporting plate link, and can provide the air inlet of gas source to cylinder block on the hollow shaft.
By adopting the above technical scheme, by the way that cylinder block is arranged in hollow shaft, and be arranged in cylinder block it is multiple with
Liftable piston body, and piston body and the supporting plate for being used to support key block is arranged in the corresponding extending column of key block in extending column
Linkage.In use, gas source is entered by cylinder, and generates the pressure to piston body to input gas in each extending column simultaneously
Power, the piston body in each extending column is synchronized to be implemented to contradict to each key block, is promoted key block be in mounting groove and is gone up and down.To treat expansion
The product opened implements effective support, will not damage during support.
The present invention is further arranged to: mounting groove includes the lifting groove be connected with hollow shaft inside and promotes lifting groove
With the extension slot of turned on outside, it is connected between lifting groove and extension slot by shoulder rank, the key block is cross section in T-shaped
Blocks.
By adopting the above technical scheme, setting can prevent key block by falling off in mounting groove in this way, and structure is simple.
The present invention is further set to: key block, which is revealed on the end face outside hollow shaft, is evenly equipped with several strip projected parts.
By adopting the above technical scheme, being arranged in during support for strip projected parts has the function of positioning.
The present invention is further set to: piston body includes the conflict end that can be contradicted with key block and is contradicted by gas pressure
Driving end, contradict end and driving end between by connecting pin connect, contradict end and driving end side and extending column it is interior
Anti- clamping stagnation mechanism is equipped between wall, which includes set on the gib block for contradicting end and drive end side portion and to be opened in
Extend guide groove that is on column wall and being adapted to gib block.
By adopting the above technical scheme, the setting of anti-clamping stagnation mechanism can guarantee that piston body can be stable slides in extending column
The case where moving, being not in clamping stagnation, while ensure that each piston body can synchronize implementation output or return back to home position.
The present invention is further set to: being equipped with spring between driving end and conflict end.
By adopting the above technical scheme, setting has resilient support effect to piston body in this way, prevents piston body prolonged
It is deformed after use, not only extends the service life of piston body, while piston body being made to implement conflict when contradicting to key block
Power is more stable.
The present invention is further set to: being offered the inlet channel be connected with the air inlet of hollow shaft in shaft, is turned
Axis relative to connect with hollow shaft at the other end of one end be equipped with air inlet pipe connector, between the air inlet pipe connector and shaft
It is connected by bearing holder (housing, cover), offers inlet chamber between air inlet pipe connector and shaft.
By adopting the above technical scheme, air inlet pipe connector is used to connect the tracheae of gas source, and air inlet pipe connector uses
After bearing holder (housing, cover) and shaft implement connection, for shaft in rotary course, air inlet pipe connector can still remain stationary state, thus anti-
The only normal use of air inlet pipe.
The invention will be further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1；
Fig. 3 is the portion the I enlarged diagram of Fig. 2.
Specific embodiment
The uniform air-expanding shaft of a kind of friction as described in Fig. 1-Fig. 3 includes hollow shaft 1, the axial direction of hollow shaft 1
Both ends, which are respectively equipped with, to be secured to and concentric shaft 2, offers several symmetrically arranged peaces on the outer peripheral surface of hollow shaft 1
Tankage 11, interior be equipped with of mounting groove 11 can be equipped with driving along the key block 3 of the longitudinally reciprocal lifting of mounting groove 11, the inside of hollow shaft 1
The lifting assembly 4 that key block 3 is gone up and down is equipped with supporting plate 5 between key block 3 and lifting assembly 4, lifting assembly 4 includes in hollow shaft
Cylinder block 41 in body 1 is respectively equipped with the extending column 42 that several and cylinder block 41 are connected on the outer peripheral surface of cylinder block 41, extend
It is equipped with the piston body 43 that can be contradicted by gas source in cylinder block 41 towards extending outside extending column 42 in column 42, the one of piston body 43
End is linked with supporting plate 5, can provide the air inlet 12 of gas source to cylinder block 41 on hollow shaft 1.In above scheme, by hollow
Cylinder block 41 is set in axis body 1, and multiple extending columns 42 corresponding with key block 3 are set in cylinder block 41, in extending column 42
The interior liftable piston body 43 of setting, and piston body 43 links with the supporting plate 5 for being used to support key block 3.In use, gas
Source is entered by cylinder block 41, and generates the pressure to piston body 43, each extending column 42 to input gas in each extending column 42 simultaneously
Interior piston body 43 is synchronized to be implemented to contradict to each key block 3, and key block 3 is promoted to be in lifting in mounting groove 11.To be expanded
Product implements effective support, will not damage during support.During cylinder block 41 can be fixedly welded on by support frame
Inside empty axis body 1.Supporting plate 5 is bonded conflict with key block 3 and both may be used.
In embodiments of the present invention, in order to prevent key block 3 by falling off in mounting groove 11.Mounting groove 11 includes and hollow shaft
The lifting groove 111 that is connected inside body 1 and the extension slot 112 for promoting lifting groove 111 Yu turned on outside, lifting groove 111 and extension slot
It is connected between 112 by shoulder rank 113, key block 3 is that cross section is in T-shaped blocks.Key block 3 is in extension slot 112
One end may extend to outer contradict to product implementation of mounting groove 11 and support.
In order to promote product to obtain further tension expansion, it is evenly equipped on the end face that key block 3 is revealed in outside hollow shaft 1
Several strip projected parts 31.It certainly, can also be salient point and feasible.
In embodiments of the present invention, piston body 43 includes the conflict end 431 that can be contradicted with key block 3 and is supported by gas pressure
The driving end 432 of touching contradicts and is connected between end 431 and driving end 432 by connecting pin 433, contradicts end 431 and driving end
Between 432 side and the inner wall of extending column 42 be equipped with anti-clamping stagnation mechanism, the anti-clamping stagnation mechanism include be set to contradict end 431 and
Drive the gib block 434 and guide groove 421 that is being opened on 42 inner wall of extending column and being adapted to gib block 434 of 432 side of end.
The setting of the anti-clamping stagnation mechanism can guarantee the sliding in extending column 42 that piston body 43 can be stable, be not in the feelings of clamping stagnation
Condition, while ensure that each piston body 43 can synchronize implementation output or return back to home position.
In order to provide elastic anchorage force to piston body 43, deforms, extend after preventing 43 prolonged use of piston body
Piston body 43 service life, while the conflict power for implementing piston body 43 to key block 3 when contradicting is more stable, drives end 432
Spring 6 is equipped between end 431 with contradicting.Connecting pin 433 is arranged body as what is be arranged for spring 6.
In embodiments of the present invention, the inlet channel 21 with the conducting of the air inlet 12 of hollow shaft 1 is offered in shaft 2,
Shaft 2 relative to connect with hollow shaft 1 at the other end of one end be equipped with air inlet pipe connector 7, the air inlet pipe connector 7 with turn
It is connected between axis 2 by bearing holder (housing, cover) 8, inlet chamber 71 is offered between air inlet pipe connector 7 and shaft 2.Air inlet pipe connector 7 is used
In the tracheae of connection gas source, and air inlet pipe connector 7 is implemented after connecting using bearing holder (housing, cover) 8 and shaft 2, and shaft 2 is rotating through
Cheng Zhong, air inlet pipe connector 7 can still remain stationary state, to prevent the normal use of air inlet pipe.
Claims (8)
1. a kind of uniform air-expanding shaft of friction, it is characterised in that: include hollow shaft, the axial ends of hollow shaft is set respectively
Have and be secured to and concentric shaft, offers several symmetrically arranged mounting grooves, mounting groove on the outer peripheral surface of hollow shaft
Interior be equipped with can be equipped with the lifting assembly of driving key block lifting along the key block of the longitudinally reciprocal lifting of mounting groove, the inside of hollow shaft,
Between the key block and lifting assembly be equipped with supporting plate, the lifting assembly include in the intracorporal cylinder block of hollow shaft,
Several extending columns be connected with cylinder block are respectively equipped on the outer peripheral surface of cylinder block, being equipped in extending column can be by cylinder block
Gas source contradicts the piston body towards extension outside extending column, and one end of piston body and supporting plate link, can on the hollow shaft
The air inlet of gas source is provided to cylinder block.
2. the uniform air-expanding shaft of friction according to claim 1, it is characterised in that: the mounting groove include with it is hollow
The lifting groove of axis body inside conducting and the extension slot for promoting lifting groove and turned on outside, pass through shoulder rank between lifting groove and extension slot
Linking, the key block are that cross section is in T-shaped blocks.
3. the uniform air-expanding shaft of friction according to claim 1 or 2, it is characterised in that: the key block is revealed in hollow
Several strip projected parts are evenly equipped on end face outside axis body.
4. the uniform air-expanding shaft of friction according to claim 1 or 2, it is characterised in that: the piston body includes can
The driving end for contradicting end and contradicted by gas pressure contradicted with key block contradicts and is connected between end and driving end by connecting pin
It connects, contradict end and drives equipped with anti-clamping stagnation mechanism between the side at end and the inner wall of extending column, which includes to set
In the gib block for contradicting end and drive end side portion and guide groove that is being opened on extension column wall and being adapted to gib block.
5. the uniform air-expanding shaft of friction according to claim 3, it is characterised in that: the piston body includes can be with key
The driving end for contradicting end and contradicted by gas pressure that block contradicts contradicts and is connected between end and driving end by connecting pin, supported
Anti- clamping stagnation mechanism is equipped between the inner wall of the side and extending column at contravention and driving end, which includes to be set to contradict
The gib block and guide groove that is being opened on extension column wall and being adapted to gib block at end and drive end side portion.
6. the uniform air-expanding shaft of friction according to claim 4, it is characterised in that: between the driving end and conflict end
Equipped with spring.
7. the uniform air-expanding shaft of friction according to claim 1 or 2, it is characterised in that: offered in the shaft with
Hollow shaft air inlet conducting inlet channel, shaft relative to connect with hollow shaft at the other end of one end be equipped with air inlet
Pipe connector is connected by bearing holder (housing, cover) between the air inlet pipe connector and shaft, is offered between air inlet pipe connector and shaft
Inlet chamber.
8. the uniform air-expanding shaft of friction according to claim 3, it is characterised in that: offered in the shaft with it is hollow
Axis body air inlet conducting inlet channel, shaft relative to connect with hollow shaft at the other end of one end be equipped with air inlet pipe connect
Connector is connected by bearing holder (housing, cover) between the air inlet pipe connector and shaft, offers air inlet between air inlet pipe connector and shaft
Chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060868.5A CN109110577A (en) | 2018-09-12 | 2018-09-12 | Rub uniform air-expanding shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060868.5A CN109110577A (en) | 2018-09-12 | 2018-09-12 | Rub uniform air-expanding shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109110577A true CN109110577A (en) | 2019-01-01 |
Family
ID=64859315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060868.5A Pending CN109110577A (en) | 2018-09-12 | 2018-09-12 | Rub uniform air-expanding shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109110577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565100A (en) * | 2024-01-16 | 2024-02-20 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147312A (en) * | 1977-09-22 | 1979-04-03 | Great Lakes Industries, Inc. | Gas-liquid hydraulic expandable chucks and shafts |
| US5314135A (en) * | 1991-08-12 | 1994-05-24 | E. I. Du Pont De Nemours And Company | Expandable mandrel |
| JP2010247973A (en) * | 2009-04-17 | 2010-11-04 | Kunimi-Kougyo Corp | Winding device of belt-like sheet material |
| CN106185404A (en) * | 2016-07-16 | 2016-12-07 | 瑞安市创博机械有限公司 | Slip axle housing |
| CN205802678U (en) * | 2016-07-16 | 2016-12-14 | 瑞安市创博机械有限公司 | The air-expanding shaft that flatulence key chain type connects |
| CN206188131U (en) * | 2016-10-13 | 2017-05-24 | 厦门祥福兴胶粘制品有限公司 | Air expansion shaft |
| CN208829030U (en) * | 2018-09-12 | 2019-05-07 | 瑞安市创博机械有限公司 | Rub uniform air-expanding shaft |
-
2018
- 2018-09-12 CN CN201811060868.5A patent/CN109110577A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147312A (en) * | 1977-09-22 | 1979-04-03 | Great Lakes Industries, Inc. | Gas-liquid hydraulic expandable chucks and shafts |
| US5314135A (en) * | 1991-08-12 | 1994-05-24 | E. I. Du Pont De Nemours And Company | Expandable mandrel |
| JP2010247973A (en) * | 2009-04-17 | 2010-11-04 | Kunimi-Kougyo Corp | Winding device of belt-like sheet material |
| CN106185404A (en) * | 2016-07-16 | 2016-12-07 | 瑞安市创博机械有限公司 | Slip axle housing |
| CN205802678U (en) * | 2016-07-16 | 2016-12-14 | 瑞安市创博机械有限公司 | The air-expanding shaft that flatulence key chain type connects |
| CN206188131U (en) * | 2016-10-13 | 2017-05-24 | 厦门祥福兴胶粘制品有限公司 | Air expansion shaft |
| CN208829030U (en) * | 2018-09-12 | 2019-05-07 | 瑞安市创博机械有限公司 | Rub uniform air-expanding shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565100A (en) * | 2024-01-16 | 2024-02-20 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
| CN117565100B (en) * | 2024-01-16 | 2024-04-30 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
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