CN209065211U - A kind of retractable volume mechanism for wide format printer - Google Patents
A kind of retractable volume mechanism for wide format printer Download PDFInfo
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- CN209065211U CN209065211U CN201821857838.2U CN201821857838U CN209065211U CN 209065211 U CN209065211 U CN 209065211U CN 201821857838 U CN201821857838 U CN 201821857838U CN 209065211 U CN209065211 U CN 209065211U
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- roll
- oscillating rod
- rack
- mounting plate
- displacement transducer
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Abstract
The utility model discloses a kind of retractable volume mechanisms for wide format printer, including rack, let off roll, wind-up roll, first driving motor, second driving motor and for control printing material tension adjusting component, the adjusting component includes the oscillating rod for being rotationally connected with rack, the loose roll being axially mounted to along wind-up roll on oscillating rod, the linear displacement transducer being installed in rack and the controller for the opening and closing of the second driving motor, the oscillating rod upper end is rotationally connected with rack, the loose roll is installed on oscillating rod lower end, connecting rod is equipped between the linear displacement transducer and oscillating rod, described connecting rod one end is fixedly connected on oscillating rod and the other end is rotationally connected with the measurement end of linear displacement transducer, the linear displacement transducer, in electrical connection between controller and the second driving motor.By using above-mentioned technical proposal, make print media can be at tensioning but tensile force it is not too big in the state of, and then improve the print quality of product.
Description
Technical field
The utility model relates to wrap-ups, and in particular to a kind of retractable volume mechanism for wide format printer.
Background technique
Wide format printer is to spray various multicolour patterns on proprietary material with spray head, it is exactly a kind of printing of large format in fact
Machine is commonly used in advertisement, picture and text, in CAD industry.It, generally will by rolling-up mechanism after the completion of printing paper is by wide format printer printing
Paper winding is got up.
Existing rolling-up mechanism, such as application No. is the patents of CN200510030931.7, and which disclose a kind of novel
Automatic taking machine, including collection cylinder, transmission mechanism, support roller, bracket, it is characterised in that the both ends of collection cylinder are respectively equipped with passively
Support roller, passive support roller mating connection support roller, support roller are fixedly connected with bracket, passive support roller mating connection transmission mechanism.Transmission mechanism
It forms including decelerating motor, decelerating motor case, master gear, band gear support roller, subtracts in decelerating motor case equipped at least more than one
Speed motor, decelerating motor main shaft connect master gear, and master gear is cooperatively connected with gear support roller, and band gear support roller is fixedly connected with deceleration
Motor housing left side, the passive support roller of band gear support roller mating connection.
When the winder works, decelerating motor drives master gear rotation, and master gear drives band gear bracket wheel to rotate, band gear
Support roller drives the rotation of passive support roller, so the rotation of drive collection cylinder.Material (paper or cloth) is wound at this time from large format wide format printer
And it hangs after being exported in spray drawing machine and is wound by collection cylinder from top to bottom.When not printing, material is wound no longer from large format
Get off on wide format printer, collection cylinder is restrained by prints by winding material, subtracts passive support roller with gear support roller frictional force
It skids less, just stops winding；Cycle operation like this.
When actually winding work, if decelerating motor drives the revolving speed of collection cylinder rotation less than the speed of wide format printer printing discharging
Degree will lead to winding material stacking above collection cylinder, easily lead to the confusion and fold of collection material；If decelerating motor drives
The revolving speed of collection cylinder rotation is greater than the speed of wide format printer printing discharging, then can make to wind the material deformation that is stretched；It will affect
Product quality.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of retractable volumes for wide format printer
Mechanism, make print media can be at tensioning but tensile force it is not too big in the state of, and then improve the print quality of product.
To achieve the above object, the utility model provides following technical solution:
A kind of retractable volume mechanism for wide format printer including rack, the let off roll that is rotationally connected with rack, is rotationally connected with
The wind-up roll of rack, the first driving motor for driving let off roll to rotate, the second driving electricity for driving wind-up roll to rotate
Machine and for control printing material tension adjusting component, the adjusting component includes the oscillating rod for being rotationally connected with rack, edge
Loose roll that wind-up roll is axially mounted on oscillating rod, the linear displacement transducer being installed in rack and for the second driving electricity
The controller of machine opening and closing, the oscillating rod upper end are rotationally connected with rack, and the loose roll is installed on oscillating rod lower end, described straight
Connecting rod is equipped between linear movement pick-up and oscillating rod, described connecting rod one end is fixedly connected on oscillating rod and the other end rotates
It is connected to the measurement end of linear displacement transducer, in electricity between the linear displacement transducer, controller and the second driving motor
Connection；When the loose roll present position is lower, the distance between the oscillating rod and linear displacement transducer are smaller, and described
Two driving motor revolving speeds are faster；When the oscillating rod is arranged along the vertical direction, the revolving speed of second driving motor is maximum.
By using above-mentioned technical proposal, the second driving motor drives wind-up roll rotation, winds to print media.When
When print speed is greater than rolling speed, oscillating rod is under gravity to lower swing, and connecting rod is towards linear displacement transducer
Side movement, and then increase the revolving speed of the second driving motor, that is, rolling speed is increased, to be tensioned print media.When beating
When print-out rate is less than rolling speed, oscillating rod is swung up by print media drive, and connecting rod is directed away from straight-line displacement sensing
The movement of device side, and then the revolving speed of the second driving motor is reduced, reduce wind-up roll and quickly winds always and print media is produced
Raw excessive pulling force makes print media be stretched and deforms or even break.And then wind print media can more stably by printing,
Improve print quality.
The utility model is further arranged to: the oscillating rod is equipped with two and is located at loose roll both ends, described
Loose roll is rotationally connected with oscillating rod.
By using above-mentioned technical proposal, so that loose roll both ends be made to be supported power, keep loose roll more stable
With oscillating rod swing and move.
The utility model is further arranged to: the connecting rod includes being set to oscillating rod along loose roll axial restraint to lean on
Second mounting plate of nearly linear displacement transducer side and the second mounting plate is fixedly connected on towards linear displacement transducer side
Third mounting plate, the third mounting plate offers mounting hole on the third mounting plate perpendicular to the second mounting plate, described
Mounting hole is equipped with several along third mounting plate length direction, and the measurement end of the linear displacement transducer is installed on one of them
Mounting hole.
It, can be by the way that the measurement end of linear displacement transducer to be mounted on to different mounting holes by using above-mentioned technical proposal
It is interior, make to receive to adjust the initial speed of the second driving motor to adjust the initial position of measurement end of linear displacement transducer
Winding up roller can better meet winding demand.
The utility model is further arranged to: the measurement end of the linear displacement transducer is connected with mounting base, described
Installation bolt is equipped in mounting base, the installation bolt passes through mounting hole, and the installation bolt threaded one end is connected with abutting
In the installation nut of third mounting plate, the installation bolt is rotationally connected with mounting base and third mounting plate.
By using above-mentioned technical proposal, the peace that mounting base is stable can be made by the cooperation of installation bolt and installation nut
On third mounting plate, and then it is stably installed the measurement end of linear displacement transducer with respect to mounting hole.
The utility model is further arranged to: the let off roll is located above the wind-up roll.
It, can so as to reduce that printed print media influences that let off roll unreels by using above-mentioned technical proposal
It can property.
The utility model is further arranged to: the tensioning device for being tensioned material trend is equipped with below the let off roll
Structure, the strainer include the first mounting plate for being installed on wind-up roll two sides, are opened in the first mounting plate court along the vertical direction
The tensioning of mounting groove is embedded in mounting groove and is slidably connected to along the vertical direction to the mounting groove of wind-up roll side, both ends
Roller, the idler roller are parallel to let off roll.
By using above-mentioned technical proposal, when print media is more loose, idler roller slide downward under gravity, from
And it is tensioned print media, so that print media is in straight state.When rolling speed is greater than print speed, idler roller is being printed
Upward sliding under the action of medium goes on smoothly winding to release more print media.It is big to reduce rolling speed
When print speed, print media is stretched a possibility that deforming.
The utility model is further arranged to: the mounting groove inner wall is equipped with rack gear, the idler roller along the vertical direction
Both ends are coaxially provided with gear, and the gear is embedded in mounting groove and is engaged in rack gear.
By using above-mentioned technical proposal, to make idler roller when vertically moving, in the work of rack and pinion
Under, idler roller can be rotated relative to print media, to reduce the frictional force between idler roller and print media, and then be reduced
Abrasion of the idler roller to print media.
The utility model is further arranged to: the installation groove bottom offers limiting slot, the tooth along the vertical direction
Wheel is coaxially arranged with position-limited wheel towards limiting slot side, and the position-limited wheel is embedded in limiting slot and is connected to limiting slot inner wall,
The position-limited wheel is rotationally connected with limiting slot and is slidably connected to limiting slot.
By using above-mentioned technical proposal, limiting slot has a position-limiting action to position-limited wheel, ensures that idler roller is edge
One both fixed track movements, and then make movable more stable of idler roller.
The utility model has the advantage that 1, can adjust rolling speed with print speed, and then makes print media
It can be at tensioning but tensile force be not too big that it is caused to be stretched in the state of deformation, improve the print quality of product；2, right
The surface abrasion of print media is smaller.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the partial structural diagram of embodiment；
Fig. 3 is partial structural diagram of the embodiment at position-limited wheel；
Fig. 4 is partial structural diagram of the embodiment at installation bolt.
Appended drawing reference: 1, rack；2, let off roll；3, wind-up roll；4, the first driving motor；5, the second driving motor；6, it opens
Tight mechanism；7, the first mounting plate；8, mounting groove；9, idler roller；10, rack gear；11, gear；12, limiting slot；13, position-limited wheel；14,
Adjust component；15, oscillating rod；16, loose roll；17, linear displacement transducer；18, connecting rod；19, the second mounting plate；20,
Three mounting plates；21, mounting hole；22, mounting base；23, bolt is installed；24, nut is installed.
Specific embodiment
As shown in Figure 1, a kind of retractable volume mechanism for wide format printer, including rack 1, is rotationally connected with unreeling for rack 1
Roller 2 and the wind-up roll 3 for being rotationally connected with rack 1.Let off roll 2 is located at 3 top of wind-up roll.2 one end of let off roll is equipped with and is used for
The first driving motor 4 for driving let off roll 2 to rotate, the first driving motor 4 are fixedly installed in rack 1.3 side of wind-up roll is equipped with
The second driving motor 5 for driving wind-up roll 3 to rotate, the second driving motor 5 are fixedly installed in rack 1.Let off roll 2 unreels
Print media then is wound on wind-up roll 3 after printer or wide format printer printing.
As shown in Figure 1, rack 1 is equipped with for being tensioned material trend in order to transmit print media can more smoothly
Strainer 6.Strainer 6 is located at 3 side of wind-up roll.As shown in Fig. 2, strainer 6 includes being installed on 3 two sides of wind-up roll
The first mounting plate 7, be opened in the first mounting plate 7 along the vertical direction and be embedded towards the mounting groove 8 of 3 side of wind-up roll, both ends
In the idler roller 9 in mounting groove 8.8 inner wall of mounting groove is equipped with rack gear 10 along the vertical direction, and 9 both ends of idler roller are coaxially provided with gear
11, gear 11 is embedded in mounting groove 8 and is engaged in rack gear 10.When print media is more loose, idler roller 9 is under gravity
Have the tendency that moving downward, gear 11 is rotated relative to rack gear 10 at this time, and then makes 9 slide downward of idler roller, to be tensioned printing
Medium makes print media be in straight state.When rolling speed is greater than print speed, work of the idler roller 9 in print media
Winding is gone on smoothly to release more print media with lower upward sliding.
As shown in Figures 2 and 3, vertically moving in order to make that idler roller 9 can be more stable, 8 bottom surface of mounting groove is along perpendicular
Histogram is to offering limiting slot 12.Gear 11 is coaxially arranged with position-limited wheel 13 towards 12 side of limiting slot, and position-limited wheel 13 is embedded at
In limiting slot 12 and it is connected to 12 inner wall of limiting slot, position-limited wheel 13 is rotationally connected with limiting slot 12 and is slidably connected to limiting slot
12.Limiting slot 12 has a limit power to position-limited wheel 13, so make idler roller 9 move when can stable motion along vertical direction,
Tight print media.
As shown in Figure 1, print media caused by rolling speed is too fast in order to prevent stretches, it is additionally provided in rack 1 for controlling
The adjusting component 14 of printing medium processed.As shown in Fig. 2, adjusting component 14 includes oscillating rod 15, loose roll 16, straight-line displacement
Sensor 17 and controller (being not shown).As depicted in figs. 1 and 2, loose roll 16 is parallel to let off roll 2 and loose roll 16
It is located at 2 the same side of let off roll with guiding mechanism, oscillating rod 15 is equipped with two and is located at 16 two sides of loose roll.On oscillating rod 15
End is rotationally connected with rack 1, and loose roll 16 is rotationally connected with 15 lower end of oscillating rod.The print media come out from let off roll 2, first
Around loose roll 16, then further around idler roller 9 is crossed, finally wound by wind-up roll 3.When nature, oscillating rod 15 is along vertical side
To setting, loose roll 16 is located at bottom.
As shown in Fig. 2, linear displacement transducer 17 is fixedly installed in rack 1 far from its measurement end one end.Straight-line displacement passes
Connecting rod 18 is equipped between sensor 17 and oscillating rod 15, connecting rod 18 includes the second mounting plate 19 and third mounting plate 20.Second
Mounting plate 19 is connected to oscillating rod 15 along 16 axial restraint of loose roll.Third mounting plate 20 is fixedly installed in 19 court of the second mounting plate
To 17 side of linear displacement transducer, and third mounting plate 20 is perpendicular to the second mounting plate 19.It is offered on third mounting plate 20
Mounting hole 21, mounting hole 21 are equipped with several along 20 length direction of third mounting plate.
As shown in Figure 2 and Figure 4, the measurement end of linear displacement transducer 17 is connected with mounting base 22, wears in mounting base 22
There is installation bolt 23, installation bolt 23 passes through one of mounting hole 21.Installation 23 threaded one end of bolt, which is connected with, is connected to the
The installation nut 24 of three mounting plates 20, installation bolt 23 are rotationally connected with mounting base 22 and third mounting plate 20.Installation can be passed through
The cooperation of bolt 23 and installation nut 24, makes mounting base 22 is stable to be mounted on third mounting plate 20, and then make straight-line displacement
The measurement end of sensor 17 is stably installed with respect to rack 1 and is rotationally connected with oscillating rod 15.
Controller can control the revolving speed of the second driving motor 5, linear displacement transducer 17, controller and the second driving motor
In electrical connection between 5.When rolling speed is larger, print media drives loose roll 16 to move towards wind-up roll 3, and then makes to swing
Bar 15 is swung, and loose roll 16 is made to be directed away from the direction movement of linear displacement transducer 17.Oscillating rod 15 and straight-line displacement at this time
The distance between sensor 17 becomes larger, i.e., the distance between 17 measurement end of linear displacement transducer and its installation end become larger, and second
5 revolving speed of driving motor is slack-off.Rolling speed is reduced, print media is prevented to be stretched deformation.When print speed is greater than winding
When speed, oscillating rod 15 is under gravity to lower swing, and loose roll 16 is moved towards 17 side of linear displacement transducer, i.e.,
The distance between 17 measurement end of linear displacement transducer and its installation end become smaller, and then increase the revolving speed of the second driving motor 5,
Rolling speed is increased, to be tensioned print media.It so repeats, and then print media is made to can be at tensioning but tensile force not
In the state that meeting is excessive, and then improve the print quality of product.
The working principle of the mechanism is as follows:
1, installation bolt 23 is backed out, mounting base 22 is installed to suitable position, then makes to install bolt 23 across mounting base
22 and mounting hole 21, installation nut 24 is tightened, the measurement end stable rotation of linear displacement transducer 17 is made to be connected to third installation
Plate 20；
2, the print media that let off roll 2 is released is sequentially passed through into loose roll 16 and idler roller 9, then wound in wind-up roll 3
On；
3, the first driving motor 4 driving let off roll 2 unreels, and the second driving motor 5 drives wind-up roll 3 to wind；
4, when rolling speed is larger, print media drives loose roll 16 to move towards wind-up roll 3, and then makes oscillating rod 15
It swings, so that loose roll 16 is directed away from the direction movement of linear displacement transducer 17,5 revolving speed of the second driving motor is slack-off, reduces
Rolling speed prevents print media to be stretched deformation；
5, when print speed is greater than rolling speed, oscillating rod 15 is under gravity to lower swing, 16 court of loose roll
It being moved to 17 side of linear displacement transducer, i.e., the distance between 17 measurement end of linear displacement transducer and its installation end become smaller,
And then increase the revolving speed of the second driving motor 5, that is, rolling speed is increased, to be tensioned print media；
6, repeat above-mentioned 4-5 the step of, and then make print media can be at tensioning but tensile force it is not too big in the state of,
And then improve the print quality of product.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of retractable volume mechanism for wide format printer, it is characterized in that: including rack (1), being rotationally connected with unreeling for rack (1)
Roller (2), the first driving motor (4) for driving let off roll (2) to rotate, is used the wind-up roll (3) for being rotationally connected with rack (1)
It is described in the second driving motor (5) of driving wind-up roll (3) rotation and for controlling the adjusting component (14) for printing material tension
Component (14) are adjusted including being rotationally connected with the oscillating rod (15) of rack (1), being axially mounted to oscillating rod (15) along wind-up roll (3)
On loose roll (16), the linear displacement transducer (17) that is installed on rack (1) and for the second driving motor (5) opening and closing
Controller, oscillating rod (15) upper end are rotationally connected with rack (1), and the loose roll (16) is installed under oscillating rod (15)
End, is equipped with connecting rod (18) between the linear displacement transducer (17) and oscillating rod (15), and described connecting rod (18) one end is solid
Surely it is connected to oscillating rod (15) and the other end is rotationally connected with the measurement ends of linear displacement transducer (17), the straight-line displacement passes
In electrical connection between sensor (17), controller and the second driving motor (5)；When the loose roll (16) present position is lower, institute
It is smaller to state the distance between oscillating rod (15) and linear displacement transducer (17), the second driving motor (5) revolving speed is faster；When
When the oscillating rod (15) is arranged along the vertical direction, the revolving speed of second driving motor (5) is maximum.
2. a kind of retractable volume mechanism for wide format printer according to claim 1, it is characterized in that: the oscillating rod (15) is set
There are two and be located at loose roll (16) both ends, the loose roll (16) is rotationally connected with oscillating rod (15).
3. a kind of retractable volume mechanism for wide format printer according to claim 2, it is characterized in that: the connecting rod (18) is wrapped
Include the second mounting plate for being set to oscillating rod (15) close to linear displacement transducer (17) side along loose roll (16) axial restraint
(19) and it is fixedly connected on third mounting plate (20) of the second mounting plate (19) towards linear displacement transducer (17) side, it is described
Third mounting plate (20) is offered mounting hole (21) on the third mounting plate (20) perpendicular to the second mounting plate (19), described
Mounting hole (21) is equipped with several along third mounting plate (20) length direction, the measurement end peace of the linear displacement transducer (17)
Loaded on one of mounting hole (21).
4. a kind of retractable volume mechanism for wide format printer according to claim 3, it is characterized in that: the straight-line displacement senses
The measurement end of device (17) is connected with mounting base (22), and installation bolt (23), the installation spiral shell are equipped on the mounting base (22)
Bolt (23) passes through mounting hole (21), and installation bolt (23) threaded one end is connected with the installation for being connected to third mounting plate (20)
Nut (24), the installation bolt (23) are rotationally connected with mounting base (22) and third mounting plate (20).
5. a kind of retractable volume mechanism for wide format printer according to claim 4, it is characterized in that: the let off roll (2) position
Above the wind-up roll (3).
6. a kind of retractable volume mechanism for wide format printer according to claim 5, it is characterized in that: under the let off roll (2)
Side is equipped with the strainer (6) for being tensioned material trend, and the strainer (6) includes being installed on wind-up roll (3) two sides
First mounting plate (7) is opened in mounting groove (8) of the first mounting plate (7) towards wind-up roll (3) side, both ends along the vertical direction
It is embedded in mounting groove (8) and is slidably connected to along the vertical direction the idler roller (9) of mounting groove (8), the idler roller (9) is flat
Row is in let off roll (2).
7. a kind of retractable volume mechanism for wide format printer according to claim 6, it is characterized in that: in the mounting groove (8)
Wall is equipped with rack gear (10) along the vertical direction, and idler roller (9) both ends are coaxially provided with gear (11), and the gear (11) is embedded at
In mounting groove (8) and it is engaged in rack gear (10).
8. a kind of retractable volume mechanism for wide format printer according to claim 7, it is characterized in that: the mounting groove (8) bottom
Face offers limiting slot (12) along the vertical direction, and the gear (11) is coaxially arranged with position-limited wheel towards limiting slot (12) side
(13), the position-limited wheel (13) is embedded in limiting slot (12) and is connected to limiting slot (12) inner wall, and the position-limited wheel (13) turns
It is dynamic to be connected to limiting slot (12) and be slidably connected to limiting slot (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857838.2U CN209065211U (en) | 2018-11-12 | 2018-11-12 | A kind of retractable volume mechanism for wide format printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857838.2U CN209065211U (en) | 2018-11-12 | 2018-11-12 | A kind of retractable volume mechanism for wide format printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209065211U true CN209065211U (en) | 2019-07-05 |
Family
ID=67098652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857838.2U Active CN209065211U (en) | 2018-11-12 | 2018-11-12 | A kind of retractable volume mechanism for wide format printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209065211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204122A (en) * | 2020-01-10 | 2020-05-29 | 杭州御澜科技有限公司 | Printing machine |
| CN113353684A (en) * | 2021-06-17 | 2021-09-07 | 杭州御澜科技有限公司 | Material receiving and discharging device of printing machine |
-
2018
- 2018-11-12 CN CN201821857838.2U patent/CN209065211U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204122A (en) * | 2020-01-10 | 2020-05-29 | 杭州御澜科技有限公司 | Printing machine |
| CN111204122B (en) * | 2020-01-10 | 2022-01-25 | 杭州御澜科技有限公司 | Printing machine |
| CN113353684A (en) * | 2021-06-17 | 2021-09-07 | 杭州御澜科技有限公司 | Material receiving and discharging device of printing machine |
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