CN201960829U - Wide-breadth inkjet printer - Google Patents
Wide-breadth inkjet printer Download PDFInfo
- Publication number
- CN201960829U CN201960829U CN201120050024XU CN201120050024U CN201960829U CN 201960829 U CN201960829 U CN 201960829U CN 201120050024X U CN201120050024X U CN 201120050024XU CN 201120050024 U CN201120050024 U CN 201120050024U CN 201960829 U CN201960829 U CN 201960829U
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- Prior art keywords
- roller
- hold
- cylinder
- air brushing
- wide format
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Abstract
The utility model provides a wide-breadth inkjet printer, which is suitable for the technical field of inkjet printing and comprises a stand, a rotatable driving roller and a compression roller, wherein the rotatable driving roller is arranged on the stand in a spanning way, the compression roller is arranged below the driving roller and can be used for butting and compressing a printing medium to the driving roller, and the bottom of the compression roller is supported by compression units uniformly distributed along the length direction of the compression roller. Accordingly, by means of a plurality of compression units for supporting, the bending and deformation of the compression roller is greatly alleviated, the compression force of the compression roller to the printing media is more uniform in distribution, so that the printing medium are prevented from wrinkling or deflecting and are driven stably and reliably, and thus, the inkjet printing quality of the inkjet printer is guaranteed.
Description
Technical field
The utility model belongs to the air brushing technical field, more particularly, relates to a kind of wide format air brushing machine.
Background technology
Existing wide format air brushing machine adopts pinch roller that print media is pressed on the driving wheel mostly, utilizes the frictional force between pinch roller and the driving wheel to drive the print media motion.As shown in fig. 1, be the structural representation of a kind of wide format air brushing machine of the prior art.Shown in the figure, described wide format air brushing machine comprises a mainframe 91, stride the driven roller of being located on the mainframe 91 92, one side of mainframe 91 is provided with and drives the motor 93 that driven roller 92 rotates, on the mainframe 91 and below that is positioned at driven roller 92 is provided with hold-down roller 94, hold-down roller 94 by the cylinder 95 at its two ends drive can be in the chute of mainframe 91 (among the figure not label) upper and lower moving, the print media 96 that is used to print is positioned at driven roller 92 belows.Its operation principle is: driven roller 92 rotates under motor 93 drives, it is upper and lower mobile that hold-down roller 94 drives the lower edge chute at cylinder 95, when hold-down roller 94 when chute is moved upward to driven roller 92, be pressed in print media 96 between driven roller 92 and the hold-down roller 94 this moment, frictional force by driven roller 92 drives print media 96 motions, thereby can carry out air brushing to print media 96.
Above-mentioned wide format air brushing machine in the course of the work, hold-down roller 94 as shown in Figure 2 stressed.Wherein, hold-down roller 94 is subjected to the top power F1, the F2 that make progress of the cylinder 95 of main support 91 both sides to it, is activated the downward reaction force of roller 92 to it simultaneously, and the synthetic downward active force of this reaction force and hold-down roller 94 self gravitations is made as p.As shown in Figure 2, because the directed force F 1, the F2 that make progress act on the two ends of hold-down roller 94, the application point of downward active force p is along distributing on hold-down roller 94 length directions.Like this, under the effect of P, F1, F2, the middle part of hold-down roller 94 can be bent downwardly distortion, and p is a uneven distribution, and promptly the thrust to print media also is uneven, is subjected to multiple factor affecting, the difference of maximum and minimum of a value is bigger, it is wrinkling print media 96 to occur when serious, phenomenons such as sideslip, thus influence the air brushing quality.
The utility model content
Technical problem to be solved in the utility model is to overcome the defective of prior art, provide a kind of simple in structure, can reduce and prevent wrinkling, the sideslip of print media, guarantee the wide format air brushing machine of air brushing quality.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of wide format air brushing machine is provided, comprise frame, stride and be located on the frame and rotating driven roller and the hold-down roller being located at driven roller below and print media can being compressed to described driven roller that the bottom of described hold-down roller is by supporting along the equally distributed compressing unit of its length direction.
Particularly, each described compressing unit comprises the carrying roller that touches with described hold-down roller bottom, supports the carrier roller frame of described carrying roller and drives first cylinder that described carrier roller frame moves, and described first cylinder is located on the crossbeam.
Further, described carrier roller frame is single roller support or two roller support.
Particularly, described frame has biside plate, be equipped with first chute on each side plate, the two ends of described crossbeam are equipped with a guide plate, each guide plate is provided with the clutch shaft bearing seat, the outside of described side plate or inboard are provided with second cylinder, are connected with described second cylinder with clutch shaft bearing seat on the guide plate of the described second cylinder corresponding end.
Further, also be provided with guide holder on each described guide plate, the other end of described guide holder is located in first chute of each described side plate.
Further, the piston of described second cylinder is provided with second bearing block, described clutch shaft bearing seat is connected with described second cylinder by described second bearing block, the outside of described side plate or inboard also are provided with gib block, and described second bearing block is provided with the gathering sill that can cooperate with described gib block and can slide along gib block.
Further, also be provided with second chute on the described guide plate, the two ends of described hold-down roller are provided with the bearing that can slide in described second chute.
Particularly, the edge of described second chute is provided with the baffle plate spacing to described hold-down roller.
In the utility model, the bottom of described hold-down roller is by supporting along the equally distributed a plurality of compressing units of its length direction.Like this, by replacing of a plurality of compressing units, reduce the flexural deformation of hold-down roller greatly, hold-down roller is more evenly distributed to the thrust of print media, avoid the wrinkling or sideslip of print media, make print media stablize, drive reliably, thereby guaranteed the air brushing quality of air brushing machine.
Description of drawings
Fig. 1 is the structural representation of a kind of wide format air brushing machine in the prior art;
Fig. 2 is stressed schematic diagram when hold-down roller is worked in the wide format air brushing machine in the prior art;
Fig. 3 is the structural representation of a preferred embodiment of wide format air brushing machine in the utility model;
Fig. 4 is the first example structure schematic diagram of compressing unit among the utility model embodiment;
Fig. 5 is the structural representation of second embodiment of compressing unit among the utility model embodiment;
Fig. 6 is the side view of the utility model embodiment latus inframedium mounting structure;
Fig. 7 is the side view of the utility model embodiment centering guide mounting structure;
Fig. 8 is hold-down roller stressed schematic diagram when work among the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of wide format air brushing machine, it comprises frame, stride and be located on the frame and rotating driven roller and the hold-down roller being located at the driven roller below and print media can being compressed to described driven roller, and the bottom of described hold-down roller is provided with the compressing unit that can be resisted against described hold-down roller along its length direction.
In the utility model, the bottom of described hold-down roller is by supporting along the equally distributed compressing unit of its length direction.Like this, by replacing of compressing unit, reduce the flexural deformation of hold-down roller greatly, make hold-down roller being more evenly distributed to the thrust of print media, avoid the wrinkling or sideslip of print media, make print media stablize, drive reliably, thereby guaranteed the air brushing quality of air brushing machine.
Be described in further detail below in conjunction with the specific implementation of accompanying drawing the utility model embodiment.
With reference to Fig. 3, described wide format air brushing machine, comprise frame 100, stride and be located on the frame 100 and rotating driven roller 200 and be located at driven roller 200 belows and can be upper and lower move hold-down roller 400 that the bottom of hold-down roller 400 is provided with the compressing unit 500 that can be resisted against hold-down roller 400 along its length direction in order to compress print media 300.
Compressing unit 500 is a plurality of (shown in Fig. 3 being 5) in the present embodiment, is uniformly distributed on the crossbeam 600, and crossbeam 600 is positioned at hold-down roller 400 belows.Like this, adopt the multi-point equispaced hold-down roller 400 that presses, more balanced to the active force of hold-down roller 400, avoid hold-down roller 400 owing to unbalance stress causes the integrally bending distortion greatly.Need to prove that the quantity of described compressing unit 500 is not limited to 5 in the present embodiment, it can increase and decrease according to the length of actual hold-down roller 400.
Particularly, compressing unit 500 comprises the carrying roller 510 that touches with hold-down roller 400 bottoms, supports the carrier roller frame 520 and first cylinder, 530, the first cylinders 530 of carrying roller 510 and is located on the crossbeam 600.The piston rod of first cylinder 530 vertically is provided with, and carrier roller frame 520 is connected with the piston rod of first cylinder 530, like this, can drive carrier roller frame 520 upper and lower moving during piston rod movement, thereby drives carrying roller 510 upper and lower the moving that are positioned on the carrier roller frame 520.Compressing unit 500 as shown in Figure 4 is a single roller support, promptly only places a carrying roller 510 on the carrier roller frame 520.And, also carrier roller frame 520 can be made the structure of two roller framves in order further to strengthen the effect of exerting pressure, as shown in Figure 5, promptly the lateral section of carrier roller frame 520 is " U " structure, on two support arms 521 of " U " shape structure a carrying roller 510 is installed respectively.
With reference to Fig. 3, Fig. 6 and Fig. 7, frame 100 has biside plate 110, be equipped with first chute 111 on each side plate 110, crossbeam 600 two ends are provided with guide plate 700, and guide plate 700 is provided with second chute 740, and hold-down roller 400 moves up and down in second chute 740 of guide plate 700 by bearing, each guide plate 700 is provided with clutch shaft bearing seat 710, in the present embodiment, the outside of biside plate 110 all is fixed with second cylinder 113 by support 112, and the clutch shaft bearing seat 710 on each guide plate 700 is connected with second cylinder 113.Second cylinder 113 drives the 710 upper and lower motions in first chute 111 of clutch shaft bearing seat when elongation or compression, thereby drives crossbeam 600 upper and lower moving.Crossbeam 600 drives compressing unit placed on it 500 upper and lower moving, and compressing unit 500 drives hold-down roller 400 again and moves up and down.
Further, more steady when crossbeam 600 is moved, in the present embodiment, also be provided with guide holder 720 on two guide plates 700, the other end of guide holder 720 is slidedly arranged in first chute 111 of side plate 110.
Prioritization scheme as present embodiment, referring again to Fig. 3 and Fig. 6, the piston of second cylinder 113 is provided with second bearing block 730, clutch shaft bearing seat 710 is connected with second cylinder 113 by second bearing block 730, the outside of side plate 110 is fixed with gib block 114, the second bearing blocks 730 and is provided with the gathering sill (not shown) that can cooperate with gib block 114 and can slide along gib block 114.Gib block 114 is set in herein, and the gathering sill on second bearing block 730 cooperates slip with gib block 114,, guarantee that it slides along gib block 114 so 114 pairs second bearing blocks 730 of gib block play position-limiting action.Need to prove that this gib block 114 also can be located at the inboard of side plate 110.
Referring again to Fig. 7, the two ends of hold-down roller 400 are provided with the bearing 410 that can slide in second chute 740 of guide plate 700.Like this, guaranteed that by bearing 410 hold-down roller 400 can slide in second chute 740.
Further, when in second chute 740, sliding, by deviating from second chute 740, in the present embodiment, the baffle plate 750 spacing to hold-down roller 400 is set in the edge of second chute 740 for fear of hold-down roller 400.Baffle plate 750 is a plurality of, is arranged at upper edge, left margin and the edge, the right of second chute 740 respectively.
In the present embodiment, driven roller 200 drives and can rotate between biside plate 110 by a motor 800, and this structure is same as the prior art, does not give unnecessary details herein.
The above-mentioned wide format air brushing machine course of work that present embodiment provides is as follows: starter motor 800, driven roller 200 rotates under motor 800 drives.Crossbeam 600, the hold-down roller 400 of being located at the compressing unit 500 on the crossbeam 600 and being positioned at compressing unit 500 tops, second cylinder 113 drives in first chute 111 of lower edge and upwards moves in both sides, when second cylinder 113 is covered whole stroke, also have a distance between hold-down roller 400 and the print media 300, this distance is set at H.At this moment, the piston of first cylinder 530 of the compressing unit 500 jack-up hold-down roller 400 that moves upward, thus print media 300 is pressed on driven roller 200.In the present embodiment, be maximum deformation quantity sum greater than above-mentioned distance H and crossbeam 600 with the travel settings of first cylinder 530.And the pressure that 300 pairs of hold-down rollers of total gravity of hold-down roller 400, crossbeam 600 and compressing unit 500 and print media, 400 reaction force sums make progress less than second cylinder 113, in the jack-up process, second cylinder 113 can not pushed back so first cylinder 530 of compressing unit 500 makes progress.
In the present embodiment, because the stroke of first cylinder 530 is greater than the maximum deformation quantity sum of distance H and crossbeam 600, so first cylinder 530 is not covered whole strokes when motion, when crossbeam 600 had downward flexural deformation, first cylinder 530 can compensate this distortion.Therefore, the pressure of 500 pairs of hold-down rollers 400 of compressing unit is not influenced by the diastrophic of crossbeam 600, and promptly the pressure of 500 pairs of hold-down rollers 400 of each compressing unit is consistent.
Further, with reference to Fig. 8, be the stressed schematic diagram of hold-down roller in the present embodiment 400.F1, F2, F3, F4, F5 are the pressures of 500 pairs of hold-down rollers 400 of compressing unit, have drawn 5 among Fig. 8, be evenly distributed, and spacing are S.The model and the admission pressure of each first cylinder 530 are in full accord, in theory, and F1=F2=F3=F4=F5.P is hold-down roller 400 gravity of self and synthesizing of 300 pairs of hold-down roller 400 reaction forces of print media.Because F1, F2, F3, F4 and F5 evenly distribute, the distribution of p is more smooth, and the difference of maximum and minimum of a value is smaller, so being out of shape than macrobending can not appear in hold-down roller.
In sum, the compressing unit of setting up the multiple spot distribution among the utility model embodiment holds out against hold-down roller, the flexural deformation of hold-down roller is reduced significantly, hold-down roller is to being evenly distributed of the thrust of print media like this, reduce and avoided the generation of the wrinkling and sideslip of print media, thereby guaranteed that the air brushing machine reliablely and stablely works.
Below only be preferred embodiment of the present utility model,, all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model not in order to restriction the utility model.
Claims (8)
1. wide format air brushing machine, comprise frame, stride and be located on the frame and rotating driven roller and be located at driven roller below and can it is characterized in that with print media to the hold-down roller that described driven roller compresses: the bottom of described hold-down roller is by supporting along the equally distributed compressing unit of its length direction.
2. a kind of wide format air brushing machine as claimed in claim 1, it is characterized in that: each described compressing unit comprises the carrying roller that touches with described hold-down roller bottom, support the carrier roller frame of described carrying roller and drive first cylinder that described carrier roller frame moves, described first cylinder is located on the crossbeam.
3. a kind of wide format air brushing machine as claimed in claim 2 is characterized in that: described carrier roller frame is single roller support or two roller support.
4. as claim 2 or 3 described a kind of wide format air brushing machines, it is characterized in that: described frame has biside plate, be equipped with first chute on each side plate, the two ends of described crossbeam are equipped with a guide plate, each guide plate is provided with the clutch shaft bearing seat, the outside of described side plate or inboard are provided with second cylinder, are connected with described second cylinder with clutch shaft bearing seat on the guide plate of the described second cylinder corresponding end.
5. a kind of wide format air brushing machine as claimed in claim 4 is characterized in that: also be provided with guide holder on each described guide plate, the other end of described guide holder is located in first chute of each described side plate.
6. a kind of wide format air brushing machine as claimed in claim 4, it is characterized in that: the piston of described second cylinder is provided with second bearing block, described clutch shaft bearing seat is connected with described second cylinder by described second bearing block, the outside of described side plate or inboard also are provided with gib block, and described second bearing block is provided with the gathering sill that can cooperate with described gib block and can slide along gib block.
7. a kind of wide format air brushing machine as claimed in claim 4 is characterized in that: also be provided with second chute on the described guide plate, the two ends of described hold-down roller are provided with the bearing that can slide in described second chute.
8. a kind of wide format air brushing machine as claimed in claim 7, it is characterized in that: the edge of described second chute is provided with the baffle plate spacing to described hold-down roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050024XU CN201960829U (en) | 2011-02-28 | 2011-02-28 | Wide-breadth inkjet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120050024XU CN201960829U (en) | 2011-02-28 | 2011-02-28 | Wide-breadth inkjet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960829U true CN201960829U (en) | 2011-09-07 |
Family
ID=44523360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120050024XU Expired - Lifetime CN201960829U (en) | 2011-02-28 | 2011-02-28 | Wide-breadth inkjet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201960829U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649349A (en) * | 2011-02-28 | 2012-08-29 | 深圳市润天智数字设备股份有限公司 | Wide-breadth inkjet printer |
| CN103591262A (en) * | 2013-11-18 | 2014-02-19 | 深圳市润天智数字设备股份有限公司 | Radial position adjustment assembly for roll shaft revolving body |
| CN110271306A (en) * | 2019-07-30 | 2019-09-24 | 湖南鼎一致远科技发展有限公司 | A kind of paper feed driving device and the printer comprising it |
-
2011
- 2011-02-28 CN CN201120050024XU patent/CN201960829U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649349A (en) * | 2011-02-28 | 2012-08-29 | 深圳市润天智数字设备股份有限公司 | Wide-breadth inkjet printer |
| CN103591262A (en) * | 2013-11-18 | 2014-02-19 | 深圳市润天智数字设备股份有限公司 | Radial position adjustment assembly for roll shaft revolving body |
| CN110271306A (en) * | 2019-07-30 | 2019-09-24 | 湖南鼎一致远科技发展有限公司 | A kind of paper feed driving device and the printer comprising it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN RUNTIANZHI DIGITAL EQUIPMENT CO., LTD. Free format text: FORMER NAME: RUNTIANZHI IMAGE TECHNOLOGY CO., LTD., SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 high tech Industrial Park, Guanlan Road, Guanlan street, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Runtianzhi Digital Equipment Co., Ltd. Address before: 518000 high tech Industrial Park, Guanlan Road, Guanlan street, Shenzhen, Guangdong, Baoan District Patentee before: Runtianzhi Image Technology Co., Ltd., Shenzhen City |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20140723 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20140723 |
|
| RGAV | Abandon patent right to avoid regrant |