CN207481406U - A kind of printing cylinder and screen printing apparatus - Google Patents
A kind of printing cylinder and screen printing apparatus Download PDFInfo
- Publication number
- CN207481406U CN207481406U CN201721459138.3U CN201721459138U CN207481406U CN 207481406 U CN207481406 U CN 207481406U CN 201721459138 U CN201721459138 U CN 201721459138U CN 207481406 U CN207481406 U CN 207481406U
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- roll body
- paper
- film
- printing cylinder
- wind inlet
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Abstract
The utility model is suitable for printing technology, provide a kind of printing cylinder and screen printing apparatus, printing cylinder includes roll body and the friction wrapping layer for being covered in roll body outer surface, roll body offers wind inlet, wind inlet passes through friction wrapping layer that the inner cavity of roll body is made to be in communication with the outside, roll body is internally provided with air-suction channel, and air-suction channel is connected with wind inlet, and air-suction channel is connect with negative pressure device.The roll body outer surface of the utility model is equipped with friction wrapping layer and wind inlet, when the thickness of paper or film is smaller, paper or film are transmitted using the adsorption capacity of wind inlet, when the thickness of paper or film is larger, paper or film can be transmitted using only the frictional force of friction wrapping layer, negative pressure device can also be opened simultaneously, and then the roller is adapted to the paper or film of different-thickness, does not need to change roller, production efficiency is improved, reduces cost.
Description
Technical field
The utility model is related to silk-screen printing production equipments, and in particular to a kind of printing cylinder and screen printing apparatus.
Background technology
Roller, cylindrical driving parts are commonly applied to the conveying equipments such as printing machine, digital-code printer, papermaking and packaging
In all kinds of transmission transport systems such as machinery.When being transmitted to paper or film, generally require using driving drum come into
Paper or film, i.e., be adjacent on roller, then driving drum is rotated by row transmission or winding, so as in paper or film
One end apply pulling force, constantly to pull paper or film below, come complete transmission work.
Usually, existing roller is broadly divided into common finishing surface roller, emery roller and air draught roller etc.,
In, the advantages of finishing surface roller is that manufacture is at low cost, easily produces, the drawback is that easily skidding in transmit process, is unfavorable for passing
It send；Emery roller is one layer of diamond dust to be set to be formed on the surface of roller, and advantage is that have larger rub than finishing surface roller
Power is wiped, transmission is relatively stablized, and is commonly available to the larger paper of thickness or film conveying；The advantages of air draught roller is can be by paper
Or film absorption the phenomenon that will not skidding, can neatly be transmitted paper or film on roller, the drawback is that
Being difficult to transmit the larger paper of thickness, either film is difficult this is because the larger paper of thickness or film have certain rigidity
To be adsorbed onto cylinder surface completely.In actual production, thicker paper or film are usually conveyed with diamond dust idler wheel, with suction
Wind idler wheel conveys relatively thin paper or film, but for same equipment, if to switch the different paper of thickness
Or film, it is necessary to replace idler wheel, for production make troubles.
Utility model content
The purpose of this utility model is to provide a kind of printing cylinders, it is intended to which different-thickness can not be adapted to by solving conventional rollers
Paper or film, need to replace roller according to thickness, and then the technical issues of cause production efficiency low in actual production.
The utility model is realized in this way a kind of printing cylinder, including roll body and is covered in the roller sheet
The friction wrapping layer of external surface, the roll body offer wind inlet, and the wind inlet passes through the friction wrapping layer to make
The inner cavity of the roll body is in communication with the outside, and the roll body is internally provided with air-suction channel, the air-suction channel and institute
Wind inlet connection is stated, the air-suction channel is connect with negative pressure device.
Further, the friction wrapping layer is diamond dust wrapping layer.
Further, the both ends of the roll body are equipped with installation axle, and the wherein installation axle of one end is equipped with and is used for
The rotation axis being connect with driving mechanism.
Further, the both ends of the installation axle are connected with mounting base, and the mounting base is equipped with to be coordinated with the installation axle
Mounting hole；The driving mechanism is driving motor, and the rotation axis is fixedly connected on the driving electricity across the mounting hole
On the output shaft of machine.
Further, the mounting base is equipped with and holds down assembly for what is compressed to paper or film, the compression
Component includes the connecting rod being fixedly connected in the mounting base and is rotatably connected on described for compressing in the connecting rod
The pinch roller of paper or film.
Further, there are two the pinch roller, two pinch rollers are respectively arranged at described for each connecting rod connection
The both ends of connecting rod, the pinch roller are connected with the retaining mechanism for adjusting position of the pinch roller in the connecting rod.
Further, the quantity of the connecting rod is two, and two connecting rods are parallel, in one of connecting rod
The pinch roller and another connecting rod on the pinch roller front and rear be aligned.
Further, the quantity of the wind inlet is multiple, and multiple wind inlets are in parallel arranged in rows, often arrange air draught
Hole corresponds to an air-suction channel.
Further, the both ends of the roll body are equipped with air draught part, and the air draught part is equipped with to be connected with the air-suction channel
Logical ventilation opening, the ventilation opening are connect with the negative pressure device.
The utility model also provides a kind of screen printing apparatus, the roller including being used to transmit paper or film, the rolling
Cylinder is printing cylinder described in any one of the above embodiments.
Printing cylinder provided by the utility model has the advantages that：The printing cylinder includes roll body and covers
The friction wrapping layer in roll body outer surface is covered, roll body offers wind inlet, when the thickness of paper or film is smaller,
The adsorption capacity of wind inlet can be utilized to be transmitted paper or film, it, then can be single when the thickness of paper or film is larger
Solely paper or film are transmitted using the frictional force for the wrapping layer that rubs, negative pressure device can not work at this time, also may be used certainly
To open negative pressure device simultaneously, paper or film are carried out under the suction-operated of wind inlet and the rubbing action of friction wrapping layer
Reliable absorption and stable transmission, and then, which is adapted to the paper or film of different-thickness, does not need to change roller, carries
Production efficiency has been risen, has reduced cost.
Description of the drawings
Fig. 1 is the front view of printing cylinder that the utility model embodiment provides.
Fig. 2 is the dimensional structure diagram of printing cylinder that the utility model embodiment provides.
Reference numeral is in figure：
1- roll bodies；2- diamond dust wrapping layers；3- wind inlets；4- installation axles；5- rotation axis；6- mounting bases；7- drives
Motor；8- connecting rods；The first pinch rollers of 9-；The second pinch rollers of 10-；11- retaining mechanisms；12- fixed seats；13- rotating members；14- screens
Part；15- fixed blocks；16- swing rods；17- springs.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
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 is connected on another component.When a component is referred to as " being connected to " another component, it can directly or indirectly be connected
It is connected on another component.The orientation or position relationship of the instructions such as term " on ", " under ", "left", "right" is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of description rather than instruction or implies that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to this patent.Term " first ", " the
Two " are used merely to facilitate description purpose, and it is not intended that instruction or implying relative importance or implicit indicating technical characteristic
Quantity." multiple " are meant that two or more, unless otherwise specifically defined.
In order to illustrate technical solution described in the utility model, carried out specifically below in conjunction with specific accompanying drawings and embodiments
It is bright.
It please refers to Fig.1 and Fig. 2, the utility model embodiment provides a kind of printing cylinder, including roll body 1 and covering
Friction wrapping layer in 1 outer surface of roll body, roll body 1 offer wind inlet 3, and wind inlet 3 passes through friction wrapping layer, makes
The inner cavity of roll body 1 is in communication with the outside, and roll body 1 is internally provided with air-suction channel, and air-suction channel is connected with wind inlet 3,
Air-suction channel is connect with external negative pressure device.
Specifically, the friction wrapping layer on 1 surface of roll body can provide larger frictional force for paper or film and then make it
Its surface is firmly attached to, in general, friction wrapping layer has more coarse surface, it is preferable that the friction wrapping layer is gold
Emery wrapping layer 2.In addition, wind inlet 3 penetrates through the wall surface of roll body 1 and friction wrapping layer, make the inner cavity of roll body 1 and outer
Portion space connects, and then can realize that gas circulates, and the back setting air-suction channel of roll body 1 is connected with wind inlet 3, this
Gas between paper or film and roll body 1 by the work of negative pressure device, is passed through air-suction channel and wind inlet 3 by sample
It is sucked out, makes paper inner side and outer side pressure uneven, outside pressure is an atmospheric pressure, and inside pressure is much smaller than an air
Pressure, and then paper or film is made to be adsorbed in 1 surface of roll body, that is, it is adsorbed in the surface of friction wrapping layer.
The printing cylinder can realize the transmission of thickness paper or film, and without needing to change roller, operation principle is：
In production work, roll body 1 is connected to by rotation connection structure in driving mechanism, negative pressure device is connected
It is connected on the air-suction channel of roll body 1, realizes the connection of wind inlet 3 and negative pressure device；Under the driving of driving mechanism, roller
Ontology 1 is rotated, when paper or film are moved to the friction wrapping layer outside roll body 1, in the suction-operated of wind inlet 3
Under power and the transmission frictional force for the wrapping layer that rubs, and then paper or film can be driven to be rotated along roll body 1,
In, when the thickness of paper or film is smaller, the adsorption capacity of wind inlet 3 can be utilized to be transmitted paper or film, work as paper
Or film thickness it is larger when, then can using only friction wrapping layer frictional force paper or film are transmitted, this
When negative pressure device can not work, naturally it is also possible to while open negative pressure device, wrapped up in the suction-operated and friction of wind inlet 3
Paper or film reliably adsorb and stablize transmitting under the rubbing action of layer.
In the present embodiment, wrapping layer is paper or film provides larger frictional force so that paper or film are attached for friction
It and is driven on roll body 1, which is preferably diamond dust wrapping layer 2.
In the present embodiment, the both ends of roll body 1 are equipped with installation axle 4, the wherein installation axle 4 of one end be equipped with for
The rotation axis 5 of driving mechanism connection, driving mechanism are driving motor 7, and driving motor 7 drives rotation axis 5 to rotate, and then drives peace
Dress axis 4 and roll body 1 rotate.Further, the both ends of installation axle 4 are connected with mounting base 6, and mounting base 6 is used to make roller steady
Fixed, mounting base 6 is equipped with the mounting hole coordinated with installation axle 4, and rotation axis 5 is fixedly connected on the defeated of driving motor 7 across mounting hole
On shaft.
Further, in order to which paper and film is made steadily to transmit, mounting base 6 is equipped with for paper or film progress
What is compressed holds down assembly, and holds down assembly including the connecting rod 8 that is fixedly connected in mounting base 6 and is rotatably connected in connecting rod 8
For compressing the pinch roller of paper or film.There are two pinch roller, two pinch rollers are respectively arranged at connecting rod for each connection of connecting rod 8
8 both ends, and the center symmetric setting preferably about connecting rod 8 so that paper or film entirety uniform force.More preferably
Ground, above-mentioned pinch roller are mainly pressed on the edge of paper or film, so not only so that transmission work is more smooth, but also will not damage
Structure in bad paper or film.
It is further preferred that the quantity of connecting rod 8 is two, and two connecting rods 8 are parallel and in roller rotation direction
Front and rear arrangement, the pinch roller on pinch roller and another connecting rod 8 in one of connecting rod 8 is front and rear to be aligned.By previous group pinch roller
Paper or film can go successively under another group of pinch roller, ensure that paper or film are driven on the surface of roll body 1
Shi Gengjia is steadily transmitted toward scheduled direction.
As a kind of improvement project of the utility model, the side of pinch roller is equipped with pinch roller being fixed on connecting rod 8
Mobilizable retaining mechanism 11.By setting retaining mechanism 11, pinch roller can be unclamped and arbitrarily be moved up in connecting rod 8
It is dynamic, so as to adjust the position of pinch roller according to the width of paper or film.
As another improvement project of the utility model, it is equipped with to adjust compression group between connecting rod 8 and mounting base 6
The regulating mechanism of the distance between part and roll body 1, the regulating mechanism include fixed seat 12 and adjusting part, adjusting part packet
Include rotating member 13, card-bit part 14 and rebound part.Mounting base 6 is equipped with the mounting groove opened up backwards to roll body 1, and rebound part is put
It puts in mounting groove, fixed seat 12 is mounted on the notch of mounting groove, and rebound part includes fixed block 15 and spring 17, the spring 17
One end is pushed against in fixed seat 12, and the other end is fixedly connected on fixed block 15.Card-bit part 14 be arranged on the side of mounting groove and
Positioned at the inner surface of fixed seat 12, the both ends of connecting rod 8 are fixedly connected on across card-bit part 14 on the fixed block 15 in mounting groove.
Rotating member 13 is circular configuration, and rotating member 13 is between card-bit part 14 and roll body 1 and is rotatably connected in mounting base 6,
And rotating member 13 is contacted with 14 roller of card-bit part.Card-bit part 14 is local disc-shaped structure, set on the card-bit part 14 there are two
Or it is multiple along the outwardly extending block piece of radial direction, between two block pieces for the slip convex surface that seamlessly transits and slide concave surface or
Slip plane.One end that connecting rod 8 stretches out fixed seat 12 is additionally provided with swing rod 16.By above structure, in paper smaller to thickness
Or film when being transmitted, need pinch roller far from roll body 1, in order to avoid the smaller paper of pinch roller damage thickness or film.
First push swing rod 16 so that the card-bit part 14 in connecting rod 8 and connecting rod 8 rotates, and card-bit part 14 drives rotating member 13 from court
It turns to and is slided on convex surface to the slip plane of roll body 1 or concave surface, is equivalent to from positioned at the concave surface of lower or Plane Rotation
Onto the convex surface of eminence, so that card-bit part 14 drives connecting rod 8, pinch roller and fixed block 15 along mounting groove toward far from rolling
The direction movement of cylinder ontology 1, at this point, the slip after certain angle is turned over convex surface facing roll body 1, and positioned at slip convex surface one
The block piece of side is pushed against on rotating member 13 so that card-bit part 14 stops operating, so as to which pinch roller is lifted away from roll body 1.Similarly,
Staff can push swing rod 16 toward opposite direction, and pinch roller be made to be pushed against on roll body 1, due to fixed block 15 before with
Card-bit part 14 is moved toward the direction far from roll body 1 so that 17 contraction distortion of spring carries out accumulation of energy, so when rotating member 13
Rotate backward from slide convex surface turn to slip plane or concave surface when, the eminence being equivalent to from card-bit part 14 turns to lower, bullet
Spring 17 starts to discharge potential energy and be restored, and then pushes card-bit part 14, connecting rod, fixed block 15 and pinch roller toward close to roll body
1 direction movement, so as to be transmitted to the larger paper of thickness or film.
Further, the quantity of the wind inlet 3 on roll body 1 is multiple, and multiple wind inlets 3 are in parallel arranged in rows,
Often row wind inlet 3 can correspond to an air-suction channel, can also two row or multi-row wind inlet 3 correspond to an air-suction channel, air draught
Channel is connect with negative pressure device, for the gas in roll body 1 to be sucked out.
Scheme as a further improvement, the both ends of roll body 1 can be equipped with air draught part, and air draught part is equipped with to be led to air draught
The ventilation opening of road connection, ventilation opening are connect with negative pressure device.By the design to air draught part internal structure, air draught can be adjusted and led to
The working condition in road, and then the state of wind inlet 3 is adjusted, such as part wind inlet 3 is negative pressure, part wind inlet 3 is positive normal pressure
It is strong etc..
The utility model also provides a kind of printing equipment, the roller including being used to transmit paper or film, which can be with
The printing cylinder provided using the utility model embodiment, is adapted to the printing of the paper or film of different-thickness, and
Roller is not needed to change, effectively increases production efficiency, reduces cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of printing cylinder, which is characterized in that including roll body and be covered in the friction of the roll body outer surface
Wrapping layer, the roll body offer wind inlet, and the wind inlet passes through the friction wrapping layer to make the roll body
Inner cavity is in communication with the outside, and the roll body is internally provided with air-suction channel, and the air-suction channel is connected with the wind inlet, institute
Air-suction channel is stated to connect with negative pressure device.
2. printing cylinder as described in claim 1, which is characterized in that the friction wrapping layer is diamond dust wrapping layer.
3. printing cylinder as described in claim 1, which is characterized in that the both ends of the roll body are equipped with installation axle,
The installation axle of middle one end is equipped with the rotation axis for being connect with driving mechanism.
4. printing cylinder as claimed in claim 3, which is characterized in that the both ends of the installation axle are connected with mounting base, described
Mounting base is equipped with the mounting hole coordinated with the installation axle；The driving mechanism is driving motor, and the rotation axis passes through described
Mounting hole is fixedly connected on the output shaft of the driving motor.
5. printing cylinder as claimed in claim 4, which is characterized in that the mounting base be equipped with for paper or film into
What row compressed holds down assembly, described to hold down assembly including the connecting rod that is fixedly connected in the mounting base and be rotatably connected on institute
State the pinch roller for being used to compress the paper or film in connecting rod.
6. printing cylinder as claimed in claim 5, which is characterized in that each connecting rod is connected there are two the pinch roller,
Two pinch rollers are respectively arranged at the both ends of the connecting rod, and the pinch roller is connected with to adjust the pinch roller in the company
The retaining mechanism of position on extension bar.
7. printing cylinder as claimed in claim 6, which is characterized in that the quantity of the connecting rod is two, and described in two
Connecting rod is parallel, and the pinch roller on the pinch roller and another connecting rod in one of connecting rod is front and rear to be aligned.
8. such as claim 1~7 any one of them printing cylinder, which is characterized in that the quantity of the wind inlet be it is multiple, it is more
A wind inlet is in parallel arranged in rows, often arranges wind inlet and corresponds to an air-suction channel.
9. printing cylinder as claimed in claim 8, which is characterized in that the both ends of the roll body are equipped with air draught part, described
Air draught part is equipped with the ventilation opening connected with the air-suction channel, and the ventilation opening is connect with the negative pressure device.
10. a kind of screen printing apparatus, which is characterized in that the roller including being used to transmit paper or film, the roller are power
Profit requires 1~9 any one of them printing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459138.3U CN207481406U (en) | 2017-11-03 | 2017-11-03 | A kind of printing cylinder and screen printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459138.3U CN207481406U (en) | 2017-11-03 | 2017-11-03 | A kind of printing cylinder and screen printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207481406U true CN207481406U (en) | 2018-06-12 |
Family
ID=62475430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721459138.3U Active CN207481406U (en) | 2017-11-03 | 2017-11-03 | A kind of printing cylinder and screen printing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207481406U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016817A (en) * | 2018-09-21 | 2018-12-18 | 汕头东风印刷股份有限公司 | A kind of gripper mechanism of adjustable negative pressure position |
| CN109249682A (en) * | 2018-11-06 | 2019-01-22 | 安徽瀚洋纸品印刷有限公司 | A kind of web press |
| CN113211938A (en) * | 2021-06-11 | 2021-08-06 | 丰县鑫牧网络科技有限公司 | Guide roller for printing machine |
-
2017
- 2017-11-03 CN CN201721459138.3U patent/CN207481406U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016817A (en) * | 2018-09-21 | 2018-12-18 | 汕头东风印刷股份有限公司 | A kind of gripper mechanism of adjustable negative pressure position |
| CN109249682A (en) * | 2018-11-06 | 2019-01-22 | 安徽瀚洋纸品印刷有限公司 | A kind of web press |
| CN113211938A (en) * | 2021-06-11 | 2021-08-06 | 丰县鑫牧网络科技有限公司 | Guide roller for printing machine |
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