CN109748123A - A kind of air draught roller and printing equipment - Google Patents
A kind of air draught roller and printing equipment Download PDFInfo
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- CN109748123A CN109748123A CN201711068876.XA CN201711068876A CN109748123A CN 109748123 A CN109748123 A CN 109748123A CN 201711068876 A CN201711068876 A CN 201711068876A CN 109748123 A CN109748123 A CN 109748123A
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Abstract
The present invention is suitable for printing technology, provides a kind of air draught roller and printing equipment, including roll body and is rotationally connected with the air guide member of roll body end face；The surface of roll body offers multiple rows of wind inlet, is equipped with multiple air-suction channels in roll body, each air-suction channel is at least connected to row's wind inlet；One end that air guide member is connect with roll body is equipped with air draught area, and air draught area is connected to the air-suction channel for entering air draught area, and air draught area is connect with negative pressure device.The present invention opens up wind inlet on the surface of roll body, inside setting air-suction channel, air guide member is arranged in end, air draught area is set in air guide member to be connected to air-suction channel, the air in air-suction channel is detached into realization negative pressure by negative pressure device, and then paper or film are adsorbed on cylinder body surface to prevent from skidding；Air draught area can realize that precisely cooperation obtains stable adsorption capacity with wind inlet, so that the transmission of paper or film is more stable, efficient；Air draught roller frame is simple, easy to disassemble.
Description
Technical field
The present invention relates to print production equipment, and in particular to a kind of air draught roller and printing equipment.
Background technique
In printing technology, when being transmitted to paper or film, generally require to carry out using roller guiding or
Paper or film, i.e., be adjacent on roller, then roller is driven to be rotated, to apply in one end of paper or film by winding
Add pulling force, constantly to pull subsequent paper or film, to complete transmission work.
Generally, existing roller is broadly divided into common finishing surface roller, rubber-coated roller and air draught roller etc.,
In, the advantages of finishing surface roller is that manufacturing cost is low, is easy production, the disadvantage is that being easy to skid in transmit process, is unfavorable for passing
It send；The advantages of rubber-coated roller is that have larger frictional force than finishing surface roller, and transmission is more stable, the disadvantage is that the packet on the outside of roller
Glue is easily damaged, and is easy viscous dust, is reduced the frictional force of transmission；The advantages of air draught roller is can be adsorbed on paper or film
It, will not be there is a phenomenon where skidding on roller, and the region of the adjustable absorption of air draught roller can be neatly to paper or film
It is transmitted, is suitable for a variety of occasions.
In existing air draught roller, in order to set the binding domain of cylinder surface, entire roller is arranged to hollow structure,
Inside insertion guide duct, guide duct are equipped with fan-shaped wind-guiding cavity, and the outer rim of fan-shaped wind-guiding cavity is bonded with drum cavity wall,
The external negative pressure device of guide duct, position corresponding with wind guide chamber body fan-shaped in guide duct just has suction-operated, roller in roller
During rotation, turning to the corresponding position of fan-shaped wind-guiding cavity can produce negative pressure, so that the setting regions in roller produces
Raw negative pressure avoids material from being wound on roller in order to which material smoothly transits transmission on air draught roller.
Deficiency existing for above-mentioned existing air draught roller is:
1, the outer rim needs of fan-shaped wind guide chamber body are close with the inner cavity wall body of roller in the length range of roller in guide duct
Sealing label closes, and seals wire length, and sealing difficulty is big, it is easy to which the phenomenon of suction deficiency occurs in gas leakage.
2, the structure of guide duct is more complicated, high production cost, and installation difficulty is big.
Summary of the invention
The purpose of the present invention is to provide a kind of air draught rollers, it is intended to solve traditional air draught roller be easy gas leakage, manufacture and
Big, the at high cost technical problem of installation difficulty.
The invention is realized in this way a kind of air draught roller, including roll body and it is connected to the roll body end face
Air guide member, the roll body can relatively rotate with the air guide member；The surface of the roll body offers multiple rows of air draught
Hole, the roll body is interior to be equipped with multiple air-suction channels, and each air-suction channel is at least connected to row's wind inlet；It is described to lead
One end that wind part is connect with the roll body is equipped with air draught area, and the air draught area and the air-suction channel for entering the air draught area connect
Logical, the air draught area is connect with negative pressure device.
Further, one end that the air guide member is connect with the roll body is additionally provided with air inlet area, the air inlet area with
The air-suction channel into the air inlet area is connected to, the air inlet area and the air draught separate from；In the roll body
In rotation direction, the air inlet area is located at the rear in the air draught area.
Further, the air inlet area is the cavity knot that the air-guiding aisle is opened up and extended to from the air guide member surface
Structure.
Further, the part and the end face of the air guide member on the air guide member in addition to the air draught area and air inlet area
It is rotatably and tightly connected with.
Further, wind inlet described in each row each along the roll body axial direction be arranged, multiple rows of wind inlet along
The circumferential direction of the roll body is equidistant arranged in parallel.
Further, the air-suction channel is along the axially extending of the roll body, between multiple described air-suction channels etc.
Away from arranged in parallel, the shape in the air draught area be it is arc-shaped, the width in the air draught area is greater than the diameter of the air-suction channel.
Further, the air guide member is equipped with intermediate channel, and one end of the intermediate channel is connected to the air draught area,
The other end is equipped with ventilation opening, and the ventilation opening is connect with the negative pressure device.
Further, the ventilation opening is set to the bottom of the air guide member.
Further, the quantity of the air guide member is two, the both ends of the roll body is separately positioned on, described in two
The air draught area of air guide member is connected to the identical air-suction channel.
Further, the both ends of the roll body are equipped with mounting portion, and the centre of the air guide member is equipped with and the installation
The mounting hole of portion's rotation connection, the mounting portion pass through the mounting hole and connect with driving device.
Another object of the present invention is to provide a kind of printing equipments, including the roller for transmitting paper or film, institute
Stating roller is any of the above-described kind of air draught roller.
Air draught roller provided in an embodiment of the present invention, which has the following beneficial effects:, opens up air draught on the surface of roll body
Air-suction channel is arranged in hole in roll body, and air guide member, setting air draught area and part in air guide member is arranged in roll body end
Air-suction channel connection, air draught area is vacuumized by negative pressure equipment, the air in air-suction channel is detached achieve it is negative
Pressure, and then paper roll or film are adsorbed on cylinder body surface, prevent its skidding；And air draught area can pass through air-suction channel
Wind inlet realization with cylinder surface accurately cooperates, and then available stable adsorption capacity, so that the biography of paper or film
It send more stable, efficient；In addition, the structure of the air draught roller is simple, the design in air-suction channel and air draught area is simple, is convenient for each group
Part dismounting, and reduce costs.
Detailed description of the invention
Fig. 1 is the main view of air draught roller provided in an embodiment of the present invention.
Fig. 2 is the side view of air draught roller provided in an embodiment of the present invention.
Fig. 3 is the main view of the roll body of air draught roller provided in an embodiment of the present invention.
Fig. 4 is the side view of the roll body of air draught roller provided in an embodiment of the present invention.
Fig. 5 is the axial sectional view of the roll body of air draught roller provided in an embodiment of the present invention.
Fig. 6 is the main view of the air guide member of air draught roller provided in an embodiment of the present invention.
Fig. 7 is the schematic perspective view of the air guide member of air draught roller provided in an embodiment of the present invention.
1- roll body；2- air guide member；3- wind inlet；4- air-suction channel；5- air draught area；The air inlet area 6-；7- mounting portion；8-
Mounting hole；9- intermediate channel；10- ventilation opening.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects on another component.When a component referred to as " is connected to " another component, it, which can be, directly or indirectly connects
It is connected on another component.The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of describing, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.Term " first ", " the
Two " are used merely to facilitate description purpose, are not understood to indicate or imply relative importance or implicitly indicate technical characteristic
Quantity.The meaning of " plurality " is two or more, unless otherwise specifically defined.
In order to illustrate technical solutions according to the invention, it is described in detail below in conjunction with specific accompanying drawings and embodiments.
The structural schematic diagram that Fig. 1 to 7 shows air draught roller provided in an embodiment of the present invention only shows for ease of description
Part related to the present embodiment out.
Please refer to Fig. 1~3 and Fig. 7, the embodiment of the present invention provides a kind of air draught roller, including roll body 1 and is connected to
The air guide member 2 of 1 end face of roll body, roll body 1 can be relatively rotated with air guide member 2；The surface of roll body 1 offers multiple rows of
Wind inlet 3, roll body 1 is interior to be equipped with multiple air-suction channels 4, and each air-suction channel 4 is at least connected to row's wind inlet 3；Wind-guiding
One end that part 2 is connect with roll body 1 is equipped with air draught area 5, and air draught area 5 is connected to the air-suction channel 4 for entering air draught area 5, air draught
Area 5 is connect with negative pressure device.
The roll body 1 is usually connect with driving device, to realize rotation under the drive of the drive.Above-mentioned roller
Ontology 1 is usually cylindric, and axial size is greater than radial size, can be under the drive of the drive with central shaft
For axis rotation, air guide member 2 is preferably, the end face patch of one end and roll body 1 matched cylindric with the shape of roll body 1
It closes, the other end is exposed.Paper perhaps winding film in driving paper or film by the rotation of roll body 1 on roll body 1
In the direction transmission perpendicular to axis, air guide member 2 and the end face of roll body 1 preferably fit closely and are rotatably connected, in addition to
Except the region that the air draught area 5 being connected to air-suction channel 4 and other needs are connected to air-suction channel 4, other portions of air guide member 2
Position and the end face of roll body 1 are to seal and rotatable connection type, in this way can be to avoid 4 gas leakage of air-suction channel, and are convenient for
Air-suction channel 4 realizes negative pressure.
The working principle of above-mentioned air draught roller is:
Roll body 1 is rotated relative to air guide member 2 under the drive of the drive, and air guide member 2 is fixed, that is, is led
Air draught area 5 in wind part 2 is fixed on scheduled position also relative to driving device.In transmit process, when paper or film
When being moved to the outer surface of roll body 1, the air-suction channel 4 below paper or film is turned to also with roll body 1
Air draught area 5 realizes and the air in air-suction channel 4 is sucked out under the action of negative pressure device with the connection in air draught area 5, paper or
The part that film is covered in the corresponding wind inlet 3 of air-suction channel 4 of negative pressure is adsorbed, with the rotation of roll body 1, by paper
Or film is adsorbed on the outer surface of roll body 1 and is rotated with roll body 1, so as to steadily to paper or thin
Film is transmitted.Generally, in a circumferential direction, first positioned at the air-suction channel 4 of front and the paper that is positioned above or film
Air draught area 5 is left, and the paper or film that are located at subsequent air-suction channel 4 and are positioned above enter back into air draught area 5, this
Cyclically paper and film are transmitted along the direction that roll body 1 rotates before and after sample, to realize paper and film
Successional transmission.
Air draught roller provided in an embodiment of the present invention, which has the following beneficial effects:, opens up air draught on the surface of roll body 1
Air-suction channel 4 is arranged in hole 3 in roll body 1, and air guide member 2 is arranged in 1 end of roll body, air draught area is arranged in air guide member 2
5 are connected to part air-suction channel 4, are vacuumized by negative pressure equipment to air draught area 5, the air in air-suction channel 4 is detached
Negative pressure is achieved, and then paper roll or film are adsorbed on cylinder body surface, prevents its skidding；And air draught area 5 can be with
Accurately cooperated by air-suction channel 4 and the realization of wind inlet 3 of cylinder surface, and then available stable adsorption capacity, so that
The transmission of paper or film is more stable, efficient；In addition, the structure of the air draught roller is simple, air-suction channel 4 and air draught area 5
Design is simple, dismounts convenient for each component, and reduce costs.
As a kind of improvement of the embodiment of the present invention, such as Fig. 1, Fig. 3 and Fig. 6, air guide member 2 connect with roll body 1 one
End is additionally provided with air inlet area 6, and air inlet area 6 is connected to the air-suction channel 4 for entering air inlet area 6, and air inlet area 6 is isolated with air draught area 5；It is rolling
In the rotation direction of cylinder ontology 1, air inlet area 6 is located at the rear in air draught area 5.The reasons why designing in this way is: air guide member 2 removes air draught area
5 are connected to outer with air-suction channel 4, other positions are close to the end face of roll body 1, and then prevent gas leakage, air-suction channel 4 with
When roll body 1 is rotated and adsorbed to paper or film, paper or film are influenced by negative pressure and are adjacent in roll body 1
On, when the air-suction channel 4 turns to except air draught area 5, since air guide member 2 and roll body 1 are is close to connection, bearing originally
Pressure air-suction channel 4 still keeps negative pressure, paper or film by inside and outside unbalanced pressure, and continues to be adjacent in roll body 1
On, and as roll body 1 is rotated, to cannot be transmitted toward scheduled direction；Under such circumstances, the present invention is real
Example is applied provided with the air inlet area 6, it is standard atmospheric pressure that air inlet area 6, which is connected to exterior space, in 1 rotation direction of roll body, into
Gas area 6 is located at the rear in air draught area 5, when air-suction channel 4 turns to air inlet area 6 from air draught area 5, internal negative pressure state quilt
It releases, to provide the pressure of internal and external equilibrium for paper or film, so that paper or film automatically disengage roll body 1, and after
It is continuous to go down towards the transmission of scheduled route.
Further, air inlet area 6 is to open up from 2 surface of air guide member and extend to the cavity structure of air-suction channel 4, air inlet area
6 and air draught area 5 be isolated.Preferred structure is as shown in fig. 7, air inlet area 6 is arc that can be exposed by the end of air-suction channel 4
Slot structure, the structure are simple, easy to process.Arc groove can cover at least two air-suction channels 4, according to actual needs, arc
The radian of slot is preferably greater than 30 °, enables paper or film smoothly detachment roller ontology 1.Further, it is removed on air guide member 2
The end face of part and air guide member 2 except air draught area 5 and air inlet area 6 is rotatably and tightly connected with, and then prevents air-suction channel 4 from leaking
Gas.
In the present embodiment, such as Fig. 1, Fig. 4 and Fig. 5, each row's wind inlet 3 is arranged each along the axial direction of roll body 1, more
Wind inlet 3 is arranged along the circumferential equidistant arranged in parallel of roll body 1.Accordingly, air-suction channel 4 along roll body 1 axis
To extension, multiple air-suction channels 4 are equidistant arranged in parallel.Wherein, an air-suction channel 4 can correspond to a row, two rows, three rows or
More multiple rows of wind inlet 3, the corresponding row's wind inlet 3 of a preferably air-suction channel 4 in the present embodiment, air draught effect are good and convenient for making
It makes.
Preferably, air-suction channel 4 is set to 1 inside of roll body and leans on the region of near surface, and multiple air-suction channels 4 are preferably
On same circumference, i.e., distance of multiple air-suction channels 4 apart from 1 surface of roll body is identical, the end face of multiple air-suction channels 4
Whole is also circle, and air-suction channels 4 multiple in this way are close regularly arranged, convenient for improving transmission efficiency.Correspondingly, air draught area 5
Shape be it is arc-shaped, the width in air draught area 5 is greater than the diameter of air-suction channel 4, i.e. the end that covers multiple air-suction channels 4 of air draught area 5
Face.The structure is preferred embodiment, and in other embodiments, air draught area 5 can also be further to radial dilatation, as long as guaranteeing
Enough cover several air-suction channels 4.Further, in order to enable paper or film it is stable be attached to roll body 1
On be transmitted, the air-suction channel 4 in the preferred covering in air draught area 5 at least quarter turn.
Preferably, air draught area 5 and air inlet area 6 are concentric arcuate structure, in this way, during roll body 1 rotates,
Air draught area 5 and air inlet area 6 can just accommodate required air-suction channel 4, so as to it is accurate, steadily adsorb paper or thin
Film, and paper or film are discharged in time, and then can be more swimmingly transmitted to paper or film.
Another kind as the embodiment of the present invention improves, and such as Fig. 6 and Fig. 7, is additionally provided with intermediate channel 9 on air guide member 2, intermediate
The one end in channel 9 is connected to air draught area 5, and the other end is equipped with ventilation opening 10, and ventilation opening 10 is formed in the surface of air guide member 2, is divulged information
Mouth 10 is connect with negative pressure device.The purpose that above-mentioned intermediate channel 9 and ventilation opening 10 is arranged is: by negative pressure device and air draught area 5
It connects, by the way that intermediate channel 9 is arranged, the relative position of ventilation opening 10 Yu air draught area 5 can be determined, so as to according to just
Need for ventilation opening 10 to be arranged in place in installation, for example, usually the setting of air draught area 5 the top of roll body 1 with
And into 90 ° that rotation direction extends, and directly the connecting hole of air draught area 5 and negative pressure device is arranged in roll body 1
Top obviously lack reasonability, and the ventilation hole of equipment is generally arranged at bottom, in order to the connection of pipeline, and does not influence object
The normal conveying of material.Therefore, as a preferred embodiment, the bottom of air guide member 2 is arranged in ventilation opening 10.
Fig. 6 is further referred to, intermediate channel 9 is preferably disposed on the position of the close central axis of air guide member 2, air draught area 5
With at a distance from the central axis of air guide member 2 be greater than intermediate channel 9 at a distance from central axis, in this way, intermediate channel 9 can be made to avoid inhaling
Wind channel 4 prevents 4 gas leakage of air-suction channel.Preferably, the shape of intermediate channel 9 is also arc-shaped, and self-suction air area 5, which extends to, to be led
The bottom of wind part 2.
In the present embodiment, the quantity of air guide member 2 is two, is separately positioned on the both ends of roll body 1, two air guide members
2 air draught area 5 is connected to identical air-suction channel 4.That is, the both ends of an air-suction channel 4 can be emptied simultaneously, and then improve
Air draught speed and vacuum effect, are more advantageous to paper and stablizing for film transmits.
In the present embodiment, such as Fig. 2 and Fig. 6, equipped with mounting portion 7, the centre of air guide member 2 is equipped at the both ends of roll body 1
The mounting hole 8 being rotatablely connected with mounting portion 7, mounting portion 7 pass through mounting hole 8 and connect with driving device.By above structure, so that
Roll body 1 can be rotated relative to air guide member 2, i.e., air-suction channel 4 is rotated relative to air draught area 5, so as to continue
Ground is transmitted paper or film.When air guide member 2 only one when, mounting portion 7 passes through mounting hole 8 and driving device connects
It connects, another mounting portion 7 can directly be connect with driving device.
The embodiment of the present invention also provides a kind of printing equipment, includes at least printing mechanism and transport mechanism, the conveyer
Structure includes the roller for transmitting paper or film, which uses air draught roller provided in an embodiment of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of air draught roller, which is characterized in that including roll body and be connected to the air guide member of the roll body end face, institute
Stating roll body and the air guide member can relatively rotate；The surface of the roll body offers multiple rows of wind inlet, the roller
Multiple air-suction channels are equipped in ontology, each air-suction channel is at least connected to row's wind inlet；The air guide member with it is described
One end of roll body connection is equipped with air draught area, and the air draught area is connected to the air-suction channel for entering the air draught area, the suction
Wind area is connect with negative pressure device.
2. air draught roller as described in claim 1, which is characterized in that one end that the air guide member is connect with the roll body
It is additionally provided with air inlet area, the air inlet area is connected to the air-suction channel for entering the air inlet area, the air inlet area and the suction
Wind separate from；In the rotation direction of the roll body, the air inlet area is located at the rear in the air draught area.
3. air draught roller as claimed in claim 2, which is characterized in that the air inlet area is to open up simultaneously from the air guide member surface
Extend to the cavity structure of the air-guiding aisle.
4. air draught roller as claimed in claim 2, which is characterized in that on the air guide member except the air draught area and air inlet area it
Outer part and the end face of the air guide member are rotatably and tightly connected with.
5. air draught roller as described in claim 1, which is characterized in that wind inlet described in each row is each along the roll body
Axial setting, multiple rows of wind inlet is along the circumferential equidistant arranged in parallel of the roll body.
6. air draught roller as claimed in claim 5, which is characterized in that the air-suction channel along the roll body axial direction
Extend, multiple air-suction channels are equidistantly arranged in parallel, and the shape in the air draught area is arc-shaped, the width in the air draught area
Greater than the diameter of the air-suction channel.
7. air draught roller as described in claim 1, which is characterized in that the air guide member is equipped with intermediate channel, the centre
The one end in channel is connected to the air draught area, and the other end is equipped with ventilation opening, and the ventilation opening is connect with the negative pressure device, described
Ventilation opening is set to the bottom of the air guide member.
8. air draught roller as described in any one of claim 1 to 7, which is characterized in that the quantity of the air guide member is two, point
The both ends of the roll body are not set, and the air draught area of two air guide members is connected to the identical air-suction channel.
9. air draught roller as claimed in claim 8, which is characterized in that the both ends of the roll body are equipped with mounting portion, described
The centre of air guide member is equipped with the mounting hole being rotatablely connected with the mounting portion, and the mounting portion passes through the mounting hole and driving fills
Set connection.
10. a kind of printing equipment, which is characterized in that including the roller for transmitting paper or film, the roller is wanted for right
Seek 1~9 described in any item air draught rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068876.XA CN109748123A (en) | 2017-11-03 | 2017-11-03 | A kind of air draught roller and printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068876.XA CN109748123A (en) | 2017-11-03 | 2017-11-03 | A kind of air draught roller and printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109748123A true CN109748123A (en) | 2019-05-14 |
Family
ID=66398010
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711068876.XA Pending CN109748123A (en) | 2017-11-03 | 2017-11-03 | A kind of air draught roller and printing equipment |
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Cited By (7)
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| CN111086331A (en) * | 2019-12-28 | 2020-05-01 | 苏州东纳电子科技有限公司 | Stable paper winding mechanism of printer |
| CN112079152A (en) * | 2020-09-10 | 2020-12-15 | 河南省王牌砂布制造有限公司 | A adsorption equipment for high-efficient migration emery cloth |
| CN112474738A (en) * | 2020-11-19 | 2021-03-12 | 广州市致顺科技有限公司 | Fine classification process and system for recycling residential garbage |
| CN112721468A (en) * | 2020-12-29 | 2021-04-30 | 武汉绎方信息工程有限公司 | Positioning ventilation roller, half-suction type turn-over mechanism and printing device |
| CN113601950A (en) * | 2021-07-13 | 2021-11-05 | 广东利美实业有限公司 | Vacuum material pulling assembly |
| CN114050274A (en) * | 2021-09-14 | 2022-02-15 | 山东华滋自动化技术股份有限公司 | Carbon paper laminating equipment and process method for producing carbon film electrode by using same |
| CN114043572A (en) * | 2021-09-14 | 2022-02-15 | 山东华滋自动化技术股份有限公司 | Transfer-pasting die cutting device |
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| CN112474738A (en) * | 2020-11-19 | 2021-03-12 | 广州市致顺科技有限公司 | Fine classification process and system for recycling residential garbage |
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