CN213920116U - Negative pressure roller device and double-sided paper feeding mechanism of ink-jet printer - Google Patents
Negative pressure roller device and double-sided paper feeding mechanism of ink-jet printer Download PDFInfo
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- CN213920116U CN213920116U CN202022788578.1U CN202022788578U CN213920116U CN 213920116 U CN213920116 U CN 213920116U CN 202022788578 U CN202022788578 U CN 202022788578U CN 213920116 U CN213920116 U CN 213920116U
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Abstract
The utility model discloses a negative pressure roller device, which comprises an ink-jet roller, wherein a plurality of air suction hole groups are arranged on the outer surface of the ink-jet roller, the air suction hole groups are annularly arranged along the outer surface of the ink-jet roller, a plurality of air suction cavities are arranged in the barrel of the ink-jet roller, the air suction cavities are annularly arranged around the axis of the ink-jet roller, the air suction cavities are respectively communicated with the corresponding air suction hole groups, one end of the ink-jet roller is provided with a negative pressure communicating component, the negative pressure roller device ensures that a negative pressure air source is communicated with the air suction cavities which are rotated to the position of the negative pressure communicating component on the ink-jet roller and are covered by the negative pressure communicating component through reasonable design, further, the corresponding air suction hole groups only form negative pressure on the outer surface of a local area of the ink-jet roller corresponding to the negative pressure communication component, therefore, the paper is more accurately positioned on the ink-jet roller in the process of transferring the paper by the ink-jet roller.
Description
Technical Field
The utility model relates to a printing machine technical field, specific theory relates to a negative pressure cylinder device and the two-sided paper feed mechanism of ink jet printer rational in infrastructure, that paper adsorption effect is good.
Background
Inkjet printing is a process of forming an image by ejecting ink droplets onto a substrate, and due to the characteristics of plateless, pressureless and digital imaging, the ink jet printing presents a very strong development trend in the digital world today, and has the advantages of printing according to needs, high speed, high quality, low price, wide color and the like; in addition, the ink jet printer is an ink jet printing type high-tech digital printing device which is in non-contact with an object, because the ink jet printing adopts a non-contact printing mode, compared with the traditional printing technology, the ink jet printing has incomparable advantages, the ink jet printing is more and more widely applied in the printing field, because the ink jet printing is different from the traditional printing mechanical working principle and is a printing without contact, pressure and printing plate, a new requirement is provided for the structure of a paper feeding mechanism, particularly, in the single-paper ink jet printing process, the paper is transferred to the position under an ink jet device to complete the ink jet printing work, and the paper and a paper bearing roller do not move relatively in the printing process to print qualified printed products, so a higher requirement is provided for the positioning of the paper and the paper bearing roller.
The invention patent with the application number of 201410430959.9 discloses a positive and negative pressure roller, which comprises a roller, a switching mandrel, a support, a track block and a track block driving device, wherein roller air holes are distributed on the surface of the roller, the switching mandrel is connected with the roller, the roller is connected with the support, the track block driving device is connected with the support, the track block is connected with the track block driving device, the roller air holes distributed on the surface of the roller are regularly arranged, and vacuum holes and vacuum breaking holes are distributed on the switching mandrel.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a negative pressure cylinder device rational in infrastructure, paper adsorption effect is good, and the paper location is accurate.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a negative pressure roller device, including the ink jet cylinder, a plurality of suction hole groups have been seted up on the surface of ink jet cylinder, a plurality of suction hole groups are personally submitted the annular along the surface of ink jet cylinder and lay, be provided with a plurality of chambeies of breathing in the barrel of ink jet cylinder, a plurality of chambeies of breathing in are the annular around the axis of ink jet cylinder and lay, the chamber of breathing in communicates with the suction hole group that corresponds respectively, the one end of ink jet cylinder is provided with negative pressure intercommunication subassembly, the ink jet cylinder rotates, make the chamber of breathing in proper order through the scope that negative pressure intercommunication subassembly covered on the ink jet cylinder surface and communicate with negative pressure intercommunication subassembly, the other end and the negative pressure air supply intercommunication of negative pressure intercommunication subassembly.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the air suction hole group comprises a plurality of air suction holes which are arranged at intervals along the axial direction of the ink-jet roller, one end of each air suction hole is arranged on the outer surface of the ink-jet roller, and the other end of each air suction hole is communicated with the corresponding air suction cavity.
Further optimization: a plurality of communicating holes are formed in one end, close to the negative pressure communicating component, of the outer surface of the ink-jet roller and are annularly distributed along the outer surface of the ink-jet roller, and the communicating holes are respectively communicated with the corresponding air suction cavities.
Further optimization: the negative pressure communicating assembly comprises a negative pressure seat support, a negative pressure seat is fixedly arranged on the negative pressure seat support, a connecting hole communicated with a negative pressure air source is formed in the negative pressure seat, a negative pressure groove is further formed in the negative pressure seat, the negative pressure groove is communicated with a plurality of communicating holes in corresponding positions on the ink-jet roller, and the connecting hole is communicated with the negative pressure groove through the negative pressure hole.
Further optimization: one end of the negative pressure seat, which is close to the ink-jet roller, is provided with a fitting part, the fitting part is of an arc-shaped structure, and the fitting part is tightly fitted with the outer surface of the ink-jet roller.
The to-be-solved technical problem of the utility model is to provide an ink jet printer two-sided paper feed mechanism, it can realize that the transmission of sheet-fed from paper feed system to paper collection system to realize the accurate location of paper and inkjet cylinder when the paper transmits inkjet cylinder, thereby guarantee that ink jet equipment forms exquisite printed matter with printing ink jet to the paper.
In order to solve the technical problem, the utility model provides a following technical scheme:
the double-sided paper feeding mechanism of the ink-jet printer comprises a base, wherein a paper feeding system is fixedly arranged on the base, a paper conveying system is fixedly arranged on one side of the paper feeding system, a paper collecting system is fixedly arranged on the paper conveying system, the paper conveying system comprises two supporting wallboards which are arranged at intervals, and two negative pressure roller devices are arranged between the two supporting wallboards.
Further optimization: two inkjet cylinders all rotate with the support wallboard and are connected, and two negative pressure seat supports are all fixed to be set up on being close to the support wallboard of intercommunicating pore one side, and two negative pressure seats all set up directly over the inkjet cylinder that corresponds.
Further optimization: the two ink-jet rollers are arranged at intervals, are horizontally arranged, and are provided with a plurality of paper conveying rollers.
Further optimization: and one end of each of the two ink-jet drums and one end of each of the plurality of paper conveying drums are fixedly provided with a transmission gear, the outer diameter of each transmission gear is smaller than that of the corresponding drum, and two idle wheels are in transmission connection between every two adjacent transmission gears.
Further optimization: the one end of two inkjet cylinders and a plurality of biography paper cylinder all is fixed and is provided with synchronous pulley, and synchronous pulley's external diameter all is less than the external diameter that corresponds the cylinder, and each synchronous pulley all is connected through two-sided tooth synchronous belt drive.
The utility model discloses a rationalization design, it only rotates negative pressure intercommunication subassembly position and several chamber of breathing in that are covered by negative pressure intercommunication subassembly on the ink jet cylinder to have guaranteed the negative pressure air supply, and then only form the negative pressure with the local area's that negative pressure intercommunication subassembly corresponds surface on the ink jet cylinder through several pore groups of breathing in that correspond with it, the position that does not cover the paper on the surface of ink jet cylinder leaks gas phenomenon has been avoided, thereby the in-process of ink jet cylinder at the transmission paper has been guaranteed, the paper is fixed a position more accurately on the ink jet cylinder, the gaseous use amount that forms the negative pressure has also been reduced simultaneously, the consumption of negative pressure air supply has been reduced, the cost is saved, the paper is more steady at the transmission process transmission of whole mechanism, the location is more accurate, the printed matter is more exquisite.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a schematic structural view of a negative pressure seat in embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;
fig. 6 is a schematic structural view of a gear transmission mode with an intermediate gear in embodiment 2 of the present invention;
fig. 7 is a schematic structural diagram of a synchronous belt transmission mode in embodiment 2 of the present invention.
In the figure: 1-an ink-jet roller; 101-a suction hole; 102-an aspiration lumen; 103-communicating hole; 2-a negative pressure seat; 201-connecting hole; 202-negative pressure hole; 203-negative pressure groove; 204-a bonding part; 3-negative pressure seat support; 4-a base; 5-a paper feed system; 6-a paper transfer system; 601-supporting wall panels; 602-a transfer cylinder; 603-delivery cylinder; 604-a transmission gear; 605-intermediate wheel; 606-synchronous pulley; 607-double-sided toothed timing belt; 608-driving a synchronous pulley; 609-tensioning the synchronous pulley; 610-intermediate timing pulley; 7-a delivery system; 8-ink jet device.
Detailed Description
Example 1:
as shown in fig. 1-2, a negative pressure roller device includes an inkjet roller 1, a plurality of air suction hole groups are provided on an outer surface of the inkjet roller 1, the plurality of air suction hole groups are annularly arranged along the outer surface of the inkjet roller 1, a plurality of air suction cavities 102 are provided in a barrel of the inkjet roller 1, the plurality of air suction cavities 102 are annularly arranged around an axis of the inkjet roller 1, the air suction cavities 102 are respectively communicated with the corresponding air suction hole groups, a negative pressure communicating component is provided at one end of the inkjet roller 1, the inkjet roller 1 rotates to enable the air suction cavities 102 to sequentially pass through a range covered by the negative pressure communicating component on the outer surface of the inkjet roller 1 and to be communicated with the negative pressure communicating component, and the other end of the negative pressure communicating component is communicated with a negative pressure air source.
The negative pressure air source can be an air suction pump, and can also be other devices capable of forming negative pressure, such as a vacuum generator and the like.
By the design, the negative pressure air source is only communicated with the air suction cavities 102 which are arranged on the ink jet roller 1, rotate to the position of the negative pressure communicating component and are covered by the negative pressure communicating component, and then the negative pressure is only formed on the outer surface of the local area of the ink jet roller 1 corresponding to the negative pressure communicating component through the air suction hole groups corresponding to the air suction hole groups, so that the phenomenon of air leakage at the position of the outer surface of the ink jet roller 1, which is not covered with paper, is avoided, and therefore, the paper is more accurately positioned on the ink jet roller 1 in the process of transferring the paper by the ink jet roller 1, the consumption of the negative pressure air source is reduced, and the cost is saved.
The air suction hole group comprises a plurality of air suction holes 101 which are arranged at intervals along the axial direction of the ink-jet roller 1, one end of each air suction hole 101 is arranged on the outer surface of the ink-jet roller 1, and the other end of each air suction hole 101 is communicated with the corresponding air suction cavity 102.
A plurality of communication holes 103 are formed in one end, close to the negative pressure communication assembly, of the outer surface of the ink jet roller 1, the communication holes 103 are annularly arranged along the outer surface of the ink jet roller 1, and the communication holes 103 are respectively communicated with the corresponding air suction cavities 102.
The negative pressure communicating assembly comprises a negative pressure seat support 3, a negative pressure seat 2 is fixedly arranged on the negative pressure seat support 3, and the negative pressure seat 2 is detachably and fixedly connected with the negative pressure seat support 3 through a bolt.
By the design, the negative pressure seat 2 is easier to mount and dismount, and the negative pressure seat 2 is more convenient to replace after being worn.
As shown in fig. 3-4, the negative pressure base 2 is provided with a connecting hole 201 communicated with a negative pressure air source, the negative pressure base 2 is further provided with a negative pressure groove 203, the negative pressure groove 203 is communicated with a plurality of communicating holes 103 at corresponding positions on the ink jet cylinder 1, and the connecting hole 201 is communicated with the negative pressure groove 203 through a negative pressure hole 202.
An attaching part 204 is arranged at one end of the negative pressure seat 2 close to the ink-jet roller 1, the attaching part 204 is of an arc-shaped structure, and the attaching part 204 is tightly attached to the outer surface of the ink-jet roller 1.
By the design, the adhering part 204 is always tightly adhered to the outer surface of the position of the communicating hole 103 on the ink-jet cylinder 1 in the rotating process of the ink-jet cylinder 1, so that the negative pressure groove 203 is always communicated with the communicating hole 103 at the corresponding position, the negative pressure is formed on the outer surface area of the position, corresponding to the negative pressure seat 2, of the ink-jet cylinder 1 in the rotating process, and the paper is accurately positioned in the area.
Example 2:
as shown in fig. 5, the utility model discloses still protect a two-sided paper feed mechanism of ink jet printer, including base 4, the fixed paper feed system 5 that is provided with on base 4, one side of paper feed system 5 is fixed to be provided with and passes paper system 6, passes paper system 6 and goes up the fixed paper receiving system 7 that is provided with, passes paper system 6 and includes two supporting wall board 601 that the interval set up, is provided with two negative pressure cylinder devices in embodiment 1 between two supporting wall board 601.
Two ink jet cylinder 1 all rotate with supporting wall board 601 and be connected, two negative pressure seat supports 3 all fix and set up on the supporting wall board 601 that is close to intercommunicating pore 103 one side, and two negative pressure seats 2 all set up directly over the ink jet cylinder 1 that corresponds.
Design like this, guaranteed this paper feed mechanism at the operation in-process, the partial area's directly over the ink jet cylinder 1 surface forms the negative pressure all the time to guaranteed that the paper is closely laminated with the surface of ink jet cylinder 1 when transmitting directly over the ink jet cylinder 1, accurate location, and then guaranteed that the accurate injection of the 8 spun printing ink of inkjet device that set up directly over the ink jet cylinder 1 forms exquisite picture and text on the paper.
The two ink-jet rollers 1 are arranged at intervals, and the two ink-jet rollers 1 are horizontally arranged.
By the design, the supporting wall plate 601 is easier to process and manufacture, and the whole paper feeding mechanism is symmetrical and attractive in structure
A plurality of paper transfer rollers 602 are disposed between the two inkjet rollers 1, and the number of the plurality of paper transfer rollers 602 is even.
By this design, it is ensured that the paper sheet having finished front printing at the position close to the ink jet cylinder 1 of the paper feeding system 5 can be transferred by the paper transfer cylinder 602 to the position far from the ink jet cylinder 1 of the paper feeding system 5 for back printing.
The plurality of transfer cylinders 602 is preferably two in number.
A delivery cylinder 603 is arranged between the delivery system 7 and the inkjet cylinder 1 far away from the paper feeding system 5, and the delivery cylinder 603 is used for delivering the printed paper to the delivery system 7.
Two arbitrary adjacent rollers can be connected through gear transmission, also can be through other transmission modes transmission such as belt drive.
As shown in fig. 6, one end of each of the two inkjet cylinders 1 and the plurality of paper transfer cylinders 602 is fixedly provided with a transmission gear 604, the outer diameter of each transmission gear 604 is smaller than the outer diameter of the corresponding cylinder, and two intermediate wheels 605 are connected between two adjacent transmission gears 604 in a transmission manner.
The intermediate wheel 605 is a gear with the same module as that of the transmission gear 604.
By the design, the outer diameter of the transmission gear 604 is smaller than that of the ink-jet roller 1, so that the gear does not cause interference to the ink-jet head when the ink-jet head on the ink-jet device 8 needs to translate to the outer side of the gear along the axial direction of the ink-jet roller 1.
As shown in fig. 7, one end of each of the two inkjet cylinders 1 and the plurality of paper transfer cylinders 602 is fixedly provided with a synchronous pulley 606, the outer diameter of each synchronous pulley 606 is smaller than the outer diameter of the corresponding cylinder, and each synchronous pulley 606 is in transmission connection through a double-sided toothed synchronous belt 607.
The double-sided toothed timing belt 607 is further wound with a driving timing pulley 608, a tension timing pulley 609, and a plurality of intermediate timing pulleys 610.
The noise generated by using the synchronous belt transmission is lower than that generated by using the gear transmission, and meanwhile, the production cost is reduced.
In operation, the paper feeding system 5 transmits the paper to be printed to the ink-jet roller 1 close to the paper feeding system 5, and when the paper is transmitted to the position right above the roller, the paper is adsorbed on the roller and is tightly attached to the outer surface of the roller, and the front printing of the paper is completed.
The paper printed on the front side is sequentially transferred to the ink jet cylinder 1 far away from the paper feeding system 5 directly or through the paper transfer cylinder 602, and when the paper is transferred to the position right above the cylinder, the paper is adsorbed on the cylinder and is tightly attached to the outer surface of the cylinder, and the back side printing of the paper is completed.
The printed sheets are transferred to the delivery system 7 through the delivery cylinder 603 for alignment and finishing, and finally the sheet transfer process is completed.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. A negative pressure cylinder device comprising an ink jet cylinder (1), characterized in that: a plurality of suction hole groups have been seted up on the surface of ink jet cylinder (1), a plurality of suction hole groups are the annular along the surface of ink jet cylinder (1) and lay, be provided with a plurality of suction chamber (102) in the barrel of ink jet cylinder (1), a plurality of suction chamber (102) are the annular around the axis of ink jet cylinder (1) and lay, suction chamber (102) communicate with the suction hole group that corresponds respectively, the one end of ink jet cylinder (1) is provided with negative pressure intercommunication subassembly, ink jet cylinder (1) rotate, make suction chamber (102) pass through the scope that negative pressure intercommunication subassembly covered on ink jet cylinder (1) surface in proper order and communicate with negative pressure intercommunication subassembly, the other end and the negative pressure air supply intercommunication of negative pressure intercommunication subassembly.
2. The negative-pressure roller device as claimed in claim 1, wherein: the air suction hole group comprises a plurality of air suction holes (101) which are arranged at intervals along the axial direction of the ink-jet roller (1), one ends of the air suction holes (101) are arranged on the outer surface of the ink-jet roller (1), and the other ends of the air suction holes (101) are communicated with the corresponding air suction cavities (102).
3. The negative-pressure roller device as claimed in claim 2, wherein: a plurality of communicating holes (103) are formed in one end, close to the negative pressure communicating component, of the outer surface of the ink jet roller (1), the communicating holes (103) are annularly arranged along the outer surface of the ink jet roller (1), and the communicating holes (103) are respectively communicated with the corresponding air suction cavities (102).
4. The negative-pressure roller device as claimed in claim 3, wherein: the negative pressure communicating assembly comprises a negative pressure seat support (3), a negative pressure seat (2) is fixedly arranged on the negative pressure seat support (3), a connecting hole (201) communicated with a negative pressure air source is formed in the negative pressure seat (2), a negative pressure groove (203) is further formed in the negative pressure seat (2), the negative pressure groove (203) is communicated with a plurality of communicating holes (103) in the corresponding positions of the ink jet roller (1), and the connecting hole (201) is communicated with the negative pressure groove (203) through a negative pressure hole (202).
5. The negative-pressure roller device as claimed in claim 4, wherein: one end of the negative pressure seat (2) close to the ink-jet roller (1) is provided with a fitting part (204), the fitting part (204) is of an arc-shaped structure, and the fitting part (204) is tightly fitted with the outer surface of the ink-jet roller (1).
6. The utility model provides a two-sided paper feed mechanism of ink jet printer, includes base (4), fixedly on base (4) being provided with paper feed system (5), one side of paper feed system (5) is fixed to be provided with and passes paper system (6), fixedly on passing paper system (6) to be provided with paper collecting system (7), its characterized in that: the paper conveying system (6) comprises two supporting wall plates (601) arranged at intervals, and two negative pressure roller devices according to claim 5 are arranged between the two supporting wall plates (601).
7. The double-sided paper feeding mechanism of the ink-jet printer as claimed in claim 6, wherein: two inkjet cylinder (1) all rotate with supporting wall board (601) and be connected, and two negative pressure seat support (3) are all fixed to be set up on supporting wall board (601) that is close to intercommunicating pore (103) one side, and two negative pressure seat (2) all set up directly over corresponding inkjet cylinder (1).
8. The double-sided paper feeding mechanism of an ink-jet printer according to claim 7, wherein: the two ink-jet rollers (1) are arranged at intervals, the two ink-jet rollers (1) are horizontally arranged, and a plurality of paper conveying rollers (602) are arranged between the two ink-jet rollers (1).
9. The double-sided paper feeding mechanism of an ink-jet printer according to claim 8, wherein: one end of each of the two ink-jet rollers (1) and the paper conveying rollers (602) is fixedly provided with a transmission gear (604), the outer diameter of each transmission gear (604) is smaller than that of the corresponding roller, and two intermediate wheels (605) are in transmission connection between every two adjacent transmission gears (604).
10. The double-sided paper feeding mechanism of an ink-jet printer according to claim 8, wherein: the one end of two inkjet cylinder (1) and a plurality of biography paper cylinder (602) all is fixed and is provided with synchronous pulley (606), and the external diameter of synchronous pulley (606) all is less than the external diameter of corresponding cylinder, and each synchronous pulley (606) all is connected through double faced tooth hold-in range (607) transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022788578.1U CN213920116U (en) | 2020-11-27 | 2020-11-27 | Negative pressure roller device and double-sided paper feeding mechanism of ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022788578.1U CN213920116U (en) | 2020-11-27 | 2020-11-27 | Negative pressure roller device and double-sided paper feeding mechanism of ink-jet printer |
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| Publication Number | Publication Date |
|---|---|
| CN213920116U true CN213920116U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022788578.1U Active CN213920116U (en) | 2020-11-27 | 2020-11-27 | Negative pressure roller device and double-sided paper feeding mechanism of ink-jet printer |
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| CN (1) | CN213920116U (en) |
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- 2020-11-27 CN CN202022788578.1U patent/CN213920116U/en active Active
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