CN111977421A

CN111977421A - Coiling mechanism of big breadth printer

Info

Publication number: CN111977421A
Application number: CN202010930198.9A
Authority: CN
Inventors: 李方争; 张银峰; 巫花容
Original assignee: Hangzhou Ocean Computer Printing Co ltd
Current assignee: Hangzhou Ocean Computer Printing Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-11-24

Abstract

The application relates to a winding device of a large-format printer, which comprises a recovery box, a plurality of support legs, a plurality of rotating shafts and a driving mechanism, wherein the recovery box is hollow inside and is provided with an opening at the top end; the axes of the rotating shafts are all arranged in parallel, and the rotating shafts are distributed in a V shape in the recovery box; and a roller fixedly connected with the rotating shaft is further sleeved on the rotating shaft. This application has the effect of the easy reduction of paper after improving the printing.

Description

Coiling mechanism of big breadth printer

Technical Field

The application relates to the field of large format printers, in particular to a winding device of a large format printer.

Background

The large format printer has a printing width exceeding a2 (42 cm), does not need plate making, completes full-color images at one time, and has the advantages of high printing efficiency and high definition.

At present, because the paper that big breadth printer printed is great, the paper of printing out can directly fall the below of printer under the effect of gravity to pile together, the phenomenon that the paper broke appears very easily, causes the influence to subsequent use.

In view of the above-described related art, the inventors consider that there is a defect that the printed paper is easily broken.

Disclosure of Invention

In order to improve the problem that the easy book of paper after the printing decreases, this application provides a coiling mechanism of big breadth printer.

The application provides a coiling mechanism of big breadth printer adopts following technical scheme:

a winding device of a large-format printer comprises a recovery box which is hollow inside and is provided with an opening at the top end, a plurality of support legs which are arranged below the recovery box, a plurality of rotating shafts which are rotatably connected in the recovery box, and a driving mechanism which is arranged on the recovery box and is used for driving the rotating shafts to synchronously rotate;

the axes of the rotating shafts are all arranged in parallel, and the rotating shafts are distributed in a V shape in the recovery box; and a roller fixedly connected with the rotating shaft is further sleeved on the rotating shaft.

By adopting the technical scheme, the paper is in the curling state for a long time before being printed, and when the paper is moved out of the printer after being printed, the paper is bent towards one side of the printer; place the below at the printer with the collection box, after the paper falls into the collection box, the paper earlier with the running roller contact of one side far away from the printer, a plurality of axis of rotation rotate simultaneously under actuating mechanism's effect, make the running roller drive the paper and continue to remove, because a plurality of running rollers are V type range, and under the crooked effect of paper self, make the paper rotate and the rolling is the tube-shape between a plurality of running rollers, thereby guarantee that the paper can not pile up together, effectually play the guard action to the paper, the phenomenon of the paper appearance book loss after having improved the printing.

Preferably, the rollers on the rotating shaft are arranged in a plurality of intervals, and every two adjacent rollers on the rotating shaft are distributed in a staggered manner.

Through adopting above-mentioned technical scheme, a plurality of running rollers have increased the area of contact with the paper, and it is more steady when making the paper drive the running roller rotate, and the crisscross distribution of the last running roller of adjacent axis of rotation can guarantee that the paper removes the in-process, and its border position department has the running roller to support, makes the border department non-deformable of paper.

Preferably, be provided with the apron in the collection box, the apron also is the V type setting, and is a plurality of the pivot all is located between apron and the collection box, set up a plurality of grooves of stepping down on the apron, the outer peripheral face of running roller passes and steps down and protrudes the apron behind the groove.

Through adopting above-mentioned technical scheme, the apron makes the paper can not fall in the gap between two axis of rotation, prevents that the paper from being rolled up on the axis of rotation.

Preferably, the driving mechanism comprises a plurality of synchronous pulleys, a driving motor arranged on one side of the recovery box, a toothed belt meshed with all the synchronous pulleys simultaneously, and a tensioning assembly arranged on one side of the recovery box and connected with the toothed belt;

the synchronous belt pulleys are in one-to-one correspondence with the rotating shafts, the synchronous belt pulleys are sleeved on the corresponding rotating shafts and fixedly connected with the corresponding rotating shafts, and the driving motor is connected with one rotating shaft.

By adopting the technical scheme, the driving motor drives the rotating shaft connected with the driving motor to rotate, the corresponding synchronous belt wheels also rotate along with the rotating shaft, and all the other synchronous belt wheels are driven to synchronously rotate under the action of the toothed belt, so that the function of synchronously rotating all the rotating shafts is realized, meanwhile, the tensioning assembly can ensure that the toothed belt is in a tensioning state, and the transmission efficiency of a plurality of synchronous belt wheels is ensured.

Preferably, the tensioning assembly comprises a fixed block fixedly arranged on the recovery box, a tensioning shaft connected to the fixed block in a sliding manner, and a tensioning wheel sleeved on the tensioning shaft and rotationally connected with the tensioning shaft; the tensioning wheel is abutted against the toothed belt, and the fixing block is further provided with a positioning piece for driving the tensioning shaft to slide.

Through adopting above-mentioned technical scheme, under the effect of take-up pulley, compress tightly the toothed belt, after the length of toothed belt extends because of long-time work, use the setting element to drive the tensioning axle and slide on the fixed block, the position of adjustment take-up pulley compresses tightly the toothed belt once more, has guaranteed the stability of actuating mechanism operation.

Preferably, a sliding groove is formed in the fixed block, and one end, far away from the tension wheel, of the tension shaft slides in the sliding groove; the spacing groove has been seted up to one side that the fixed block is close to the collection box, spacing groove and spout intercommunication, the tensioning axle stretches into the spacing inslot after passing the spout to spacing dish has set firmly in the spacing inslot, spacing dish can't pass the spout.

Through adopting above-mentioned technical scheme, the spout makes the tensioning axle can slide on the fixed block, and the effect of spacing groove and spacing dish makes the tensioning axle can't deviate from the spout, guarantees the joint strength of tensioning axle and fixed block, corresponding improvement the tensioning effect of tensioning wheel to the toothed belt.

Preferably, the setting element sets up to the jackscrew, the jackscrew runs through the fixed block rather than threaded connection, the one end of jackscrew stretches into in the sliding tray to the butt is kept away from one side of toothed belt at the tensioning axle.

By adopting the technical scheme, the jackscrew provides a supporting force for one side of the tensioning shaft, so that the tensioning shaft cannot move due to the elasticity of the toothed belt, and the supporting force for the tensioning shaft is ensured under the self-locking effect of the threaded connection; the jackscrew can be driven to move by rotating the jackscrew, the jackscrew pushes the tensioning shaft to move, and the tensioning wheel compresses the toothed belt, so that the function of adjusting the position of the tensioning wheel and the tensioning degree of the toothed belt is realized.

Preferably, a guide plate is fixedly arranged on the inner side wall, provided with the rotating shaft, of the recovery box, and one end, far away from the side wall of the recovery box, of the guide plate inclines towards the oblique upper side.

By adopting the technical scheme, when the recovery box is placed on one side of the printer, the guide plate is positioned on one side of the recovery box close to the printer; when the paper received a plurality of running rollers that are close to printer one side and driven down upward movement, the paper can contact the deflector to it is crooked to the opposite side gradually under the guide of deflector, and the rolling is finally under the effect of gravity, prevents that the phenomenon of unable rolling from appearing because of the crooked radian of self is less.

Preferably, a guide shaft is rotatably connected to the bottom surface of the guide plate, and the axis of the guide shaft is parallel to the axis of the rotating shaft.

Through adopting above-mentioned technical scheme, when the paper was through on the deflector, can drive the guiding axle and rotate to prevent to produce the friction between paper and the deflector, guarantee that the printing ink on the paper can not wear and tear.

Preferably, an outlet is formed in the side wall of one end of the recovery box along the axial direction of the rotating shaft.

Through adopting above-mentioned technical scheme, after the paper after the printing is rolled up in the collection box completely, can take out the paper of rolling up the tube-shape from the export.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the printed paper is directly dropped into the recovery box after being moved out of the printer, and is rolled into a cylindrical shape under the combined action of the plurality of rollers and the bending property of the paper, so that the paper is effectively protected, and the phenomenon of paper breakage is improved;

2. the plurality of rotating shafts synchronously rotate under the action of the synchronous belt wheel and the toothed belt, so that the transmission efficiency is high, the whole structure is simple and compact, and meanwhile, the tensioning assembly can ensure that the toothed belt is in a tensioning state, so that the plurality of rotating shafts stably and smoothly rotate;

3. set up the apron in the collection box, can play the effect of sheltering from to a plurality of axis of rotation, can prevent that the paper from directly falling in the gap of two adjacent axis of rotation, further playing the guard action to the paper.

Drawings

FIG. 1 is a schematic view of the winding device of the present embodiment;

FIG. 2 is a schematic view showing the positions of the rotating shaft and the rollers;

FIG. 3 is a cross-sectional view showing a positional relationship between the take-up mechanism and the printer;

FIG. 4 is a schematic view showing the position of an outlet on the recovery tank;

FIG. 5 is a partial view showing a drive mechanism;

FIG. 6 is an enlarged view showing a portion A in FIG. 5;

figure 7 is an exploded schematic view showing the tension assembly.

Description of reference numerals: 1. a recycling bin; 11. a support leg; 12. an outlet; 13. a cover plate; 131. a yielding groove; 14. a guide plate; 15. a guide shaft; 2. a rotating shaft; 21. a roller; 3. a drive mechanism; 31. a synchronous pulley; 32. a toothed belt; 33. a drive motor; 34. a tension assembly; 341. a fixed block; 3411. a chute; 3412. a limiting groove; 342. tensioning the shaft; 343. a tension wheel; 344. a limiting disc; 345. carrying out top thread; 3451. a tool slot.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses coiling mechanism of big breadth printer. Referring to fig. 1 and 2, the winding device comprises a recycling bin 1, a plurality of rotating shafts 2 arranged in the recycling bin 1, rollers 21 sleeved on the rotating shafts 2, and a driving mechanism 3 arranged on one side of the recycling bin 1; the recycling box 1 is arranged in a hollow shell with an opening at the top end, a plurality of supporting legs 11 are fixedly arranged on the outer bottom wall of the recycling box 1, and the recycling box 1 is supported on the ground through the plurality of supporting legs 11; two ends of each rotating shaft 2 in the axial direction are rotatably connected with two opposite inner side walls of the recovery box 1, namely, a plurality of rotating shafts 2 are rotatably connected in the recovery box 1, and the axes of the plurality of rotating shafts 2 are arranged in parallel; the recycling bin 1 is in a trapezoidal arrangement that the length of the bottom edge of the cross section of the recycling bin along the direction of the rotating shafts 2 is smaller than that of the top edge of the recycling bin, the rotating shafts 2 are distributed on two oblique edges and the bottom edge of the recycling bin 1, the rotating shafts 2 are distributed in the recycling bin 1 in a V shape, and the number of the rotating shafts 2 on one oblique edge is larger than that of the rotating shafts 2 on the other oblique edge; the driving mechanism 3 is arranged on the outer side wall of the recycling bin 1 along one side of the shaft of the rotating shaft 2, and the driving mechanism 3 is used for driving all the rotating shafts 2 to synchronously rotate in the same direction.

Referring to fig. 3 and 4, the recycling bin 1 is placed below the printer, the axis of the rotating shaft 2 corresponds to the direction of the printer, the inclined edge of one side of the recycling bin 1 with a large number of rotating shafts 2 is positioned right below the printer, the other inclined edge is positioned below the printer body, and meanwhile, the driving mechanism 3 drives all the rotating shafts 2 to synchronously rotate in the same direction; when the printed paper is removed from the printer, the printed paper falls into the recovery box 1 under the action of gravity; the paper is in a curled state for a long time before being printed, after the paper is moved out of the printer, the paper still bends towards one side of the printer, the paper firstly contacts with the roller 21 on the rotating shaft 2 with a large number of sides after falling into the recycling box 1, and the roller 21 rotates to drive the paper to continuously move downwards; when the paper moves to the bottom of the recovery box 1, the paper is moved by one side of the roller 21 box at the bottom of the recovery box 1 close to the printer, and when the paper moves to one side of the roller 21 on the rotating shaft 2 at the side with less quantity, the paper is driven to move upwards, and meanwhile, the paper is rolled into a cylinder shape under the action of the bending of the paper; therefore, the protective function is realized on the paper, the printed paper cannot be stacked after being moved out of the printer, and the phenomenon that the printed paper is easy to break is further improved. An outlet 12 is formed in the side wall of one end, away from the driving mechanism 3, of the recycling bin 1, and the rolled paper can be drawn out from the outlet 12 of the recycling bin 1, so that the paper can be taken out from the recycling bin 1 conveniently.

Referring to fig. 2, a plurality of rollers 21 are arranged on each rotating shaft 2, the rollers 21 on each rotating shaft 2 are uniformly distributed at intervals along the axial direction, and the plurality of rollers 21 on two adjacent rotating shafts 2 are distributed in a staggered manner; the multiple rollers 21 can increase the contact area with the paper, so that the paper can move more stably and smoothly; when the paper size of printing changes, the paper also can appear changing with the contact quantity of running roller 21, and the crisscross distribution of a plurality of running rollers 21 can make the border department of paper always have running roller 21 to provide the holding power, makes the difficult deformation that appears in border department of paper, further improves the protection effect to the paper. The roller 21 can be made of polyurethane material with high hardness or hard rubber, so that the friction force between the roller 21 and paper can be ensured, and the roller 21 can smoothly drive the paper to move.

Referring to fig. 1 and 3, in order to prevent the paper from directly falling between two adjacent rotating shafts 2 after moving out of the printer and being rolled up on the rotating shafts 2, a cover plate 13 is further arranged in the recycling bin 1, the cover plate 13 is also arranged in a V-shape, the cover plate 13 is fixedly arranged on the inner side wall of the recycling bin 1 and is arranged at an interval with the inner side wall of the recycling bin 1, and the plurality of rotating shafts 2 are both positioned between the cover plate 13 and the inner side wall of the recycling bin 1. The cover plate 13 is provided with a plurality of yielding grooves 131, the plurality of yielding grooves 131 correspond to the plurality of rollers 21 one by one, the peripheral surfaces of the rollers 21 extend out of the yielding grooves 131, and the part of the rollers 21 extending out of the yielding grooves 131 is 1/3 of the whole part of the rollers 21, so that the contact range of the rollers with paper can be ensured, and the paper can be effectively prevented from being tensioned into the yielding grooves 131.

Referring to fig. 1 and 3, a guide plate 14 is fixedly arranged on the inner side wall of the recycling bin 1 on the side with the smaller number of the rotating shafts 2, the guide plate 14 is fixedly arranged above the uppermost rotating shaft 2, and one end of the guide plate 14, which is far away from the side wall of the recycling bin 1, is obliquely arranged upwards; a plurality of guide shafts 15 are fixedly arranged on the bottom surface of the guide plate 14, and the axes of the guide shafts 15 are parallel to the axis of the rotating shaft 2. When the paper received a plurality of running rollers 21 that are close to printer one side to drive down upward movement, the paper can contact guiding axle 15 to it is crooked to the opposite side gradually under the guide of guiding axle 15, and the final rolling under the effect of gravity prevents that the phenomenon of unable rolling from appearing because of self crooked radian is less.

Referring to fig. 5, the driving mechanism 3 includes a plurality of synchronous pulleys 31, a toothed belt 32 sleeved on the plurality of synchronous pulleys 31, and a driving motor 33 disposed on the recycling bin 1, the plurality of synchronous pulleys 31 correspond to the plurality of rotating shafts 2 one by one, one end of the rotating shaft 2 penetrates through the recycling bin 1 and then is fixedly connected with the synchronous pulleys 31 at the outer side of the recycling bin 1, and the toothed belt 32 is simultaneously sleeved on all the synchronous pulleys 31 and keeps a meshed state with all the synchronous pulleys 31; the output shaft of the driving motor 33 is fixedly connected with one rotating shaft 2; the driving motor 33 drives the rotating shaft 2 connected with the driving motor to rotate, and simultaneously the synchronous belt wheels 31 connected with the rotating shaft 2 rotate along with the rotating shaft, and all the synchronous belt wheels 31 are driven to rotate together under the action of the toothed belt 32, so that the function of synchronously rotating all the rotating shafts 2 is realized.

Referring to fig. 5, a tensioning assembly 34 is further disposed on the side wall of the recycling bin 1 close to the cog belt 32, and the tensioning assembly 34 is located between the two upper synchronous pulleys 31 and connected with the cog belt 32 located between the two synchronous pulleys 31, so as to maintain the cog belt 32 in a tensioned state and ensure the transmission efficiency of the driving mechanism 3.

Referring to fig. 6 and 7, the tensioning assembly 34 includes a fixed block 341 fixed on the sidewall of the recycling bin 1, a tensioning shaft 342 disposed on the fixed block 341, and a tensioning wheel 343 rotatably connected to the tensioning shaft 342; the fixed block 341 is provided with a sliding groove 3411 arranged along the height direction of the recovery box 1, the width of the sliding groove 3411 is the same as the diameter of the tensioning shaft 342, and one end of the tensioning shaft 342 extends into the sliding groove 3411 to be connected with the same in a sliding manner, so that the tensioning shaft 342 and the tensioning wheel 343 can slide on the fixed block 341; the fixed block 341 is provided with a limiting groove 3412 on the side wall close to the recycling bin 1, the width of the limiting groove 3412 is greater than the width of the sliding groove 3411, the limiting groove 3412 is communicated with the sliding groove 3411, one end of the tensioning shaft 342 located in the sliding groove 3411 extends into the limiting groove 3412 and is fixedly provided with a limiting disc 344, the limiting disc 344 is located in the limiting groove 3412 to slide, the limiting disc 344 cannot penetrate through the sliding groove 3411, the tensioning shaft 342 is limited, and the tensioning shaft 342 is prevented from being separated from the sliding groove 3411.

Referring to fig. 6 and 7, the tension pulley 343 is located above the toothed belt 32, and the outer peripheral surface of the tension pulley 343 abuts on the toothed belt 32 and presses the toothed belt 32 downward; the fixing block 341 is further provided with a positioning element, the positioning element is connected with the tensioning shaft 342, and the position of the tensioning shaft 342 on the fixing block 341 can be adjusted through the positioning element, so that the degree of compression of the tensioning wheel 343 on the toothed belt 32 is adjusted, and the function of adjusting the degree of tightness of the toothed belt 32 is realized.

Referring to fig. 6 and 7, the positioning member is provided with a jackscrew 345, the jackscrew 345 is provided in a cylindrical shape, the jackscrew 345 is provided along the height direction of the recycling bin 1, and the jackscrew 345 is located above the fixed block 341; the bottom end of the top thread 345 penetrates through the fixed block 341 and then extends out of the sliding groove 3411 and abuts against the tensioning shaft 342, and the top thread 345 is in threaded connection with the fixed block 341; the thread connection of the jackscrew 345 and the fixed block 341 has self-locking performance, so that the jackscrew 345 presses the tensioning shaft 342 downwards, and the tensioning shaft 342 and the tensioning wheel 343 press the toothed belt 32; after a long period of operation, the length of the toothed belt 32 increases, and the jackscrew 345 is rotated to move the jackscrew 345 downward against the tension shaft 342, and the tension wheel 343 is moved downward, thereby pressing the toothed belt 32 again. Meanwhile, in order to facilitate the rotation of the jackscrew 345, a tool groove 3451 is formed at the top end of the jackscrew 345, and the tool groove 3451 may be a cross-shaped screwdriver groove or a regular hexagonal socket head wrench groove, so that the jackscrew 345 can be conveniently rotated by a tool in work.

The implementation principle of the winding device of the large-format printer in the embodiment of the application is as follows: through set up collection box 1 in big breadth printer below, make the paper after printing fall into collection box 1 to the rolling is the tube-shape under the combined action of a plurality of running rollers 21, thereby plays the guard action to the paper, and the effectual paper after having improved appears breaking easily the phenomenon.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a coiling mechanism of big breadth printer which characterized in that: the device comprises a recovery box (1) which is hollow inside and is provided with an opening at the top end, a plurality of support legs (11) arranged below the recovery box (1), a plurality of rotating shafts (2) which are rotatably connected in the recovery box (1), and a driving mechanism (3) which is arranged on the recovery box (1) and is used for driving the rotating shafts (2) to synchronously rotate;

the axes of the rotating shafts (2) are all arranged in parallel, and the rotating shafts (2) are distributed in a V shape in the recovery box (1); and a roller (21) fixedly connected with the rotating shaft (2) is sleeved on the rotating shaft.

2. The take-up device of a large format printer of claim 1, wherein: the roller wheels (21) on the rotating shaft (2) are arranged in a plurality of intervals, and the roller wheels (21) on the rotating shaft (2) are distributed in a staggered manner every two adjacent intervals.

3. The take-up device of a large format printer according to claim 2, wherein: be provided with apron (13) in collection box (1), apron (13) also are the V type setting, and are a plurality of the pivot all is located between apron (13) and collection box (1), a plurality of grooves of stepping down (131) have been seted up on apron (13), the outer peripheral face of running roller (21) passes and steps down groove (131) back protrusion apron (13).

4. The take-up device of a large format printer of claim 1, wherein: the driving mechanism (3) comprises a plurality of synchronous pulleys (31), a driving motor (33) arranged on one side of the recovery box (1), a toothed belt (32) meshed with all the synchronous pulleys (31) simultaneously, and a tensioning assembly (34) arranged on one side of the recovery box (1) and connected with the toothed belt (32);

a plurality of synchronous pulley (31) and a plurality of axis of rotation (2) one-to-one, synchronous pulley (31) cover is established rather than fixed connection on corresponding axis of rotation (2), driving motor (33) are connected with one of them axis of rotation (2).

5. The take-up device of a large format printer according to claim 4, wherein: the tensioning assembly (34) comprises a fixed block (341) fixedly arranged on the recovery box (1), a tensioning shaft (342) connected to the fixed block (341) in a sliding manner, and a tensioning wheel (343) sleeved on the tensioning shaft (342) and connected with the tensioning shaft in a rotating manner; the tensioning wheel (343) is abutted against the toothed belt (32), and the fixing block (341) is further provided with a positioning piece for driving the tensioning shaft (342) to slide.

6. The take-up device of a large format printer according to claim 5, wherein: a sliding groove (3411) is formed in the fixed block (341), and one end, away from the tensioning wheel (343), of the tensioning shaft (342) is located in the sliding groove (3411) to slide; spacing groove (3412) have been seted up to fixed block (341) one side near collection box (1), spacing groove (3412) and spout (3411) intercommunication, tensioning axle (342) are passed and are stretched into spacing groove (3412) after spout (3411) in to spacing dish (344) have set firmly in spacing groove (3412), spacing dish (344) can't pass spout (3411).

7. The take-up device of a large format printer according to claim 6, wherein: the positioning piece is provided with a jackscrew (345), the jackscrew (345) penetrates through the fixing block (341) and is in threaded connection with the fixing block, and one end of the jackscrew (345) extends into the sliding groove and abuts against one side, far away from the toothed belt (32), of the tensioning shaft (342).

8. The take-up device of a large format printer of claim 1, wherein: the recycling bin (1) is provided with a guide plate (14) fixedly arranged on the inner side wall of the rotating shaft (2), and one end, far away from the side wall of the recycling bin (1), of the guide plate (14) inclines towards the oblique upper side.

9. The take-up device of a large format printer of claim 8, wherein: the bottom surface of the guide plate (14) is rotatably connected with a guide shaft (15), and the axis of the guide shaft (15) is parallel to the axis of the rotating shaft (2).

10. The take-up device of a large format printer of claim 1, wherein: an outlet (12) is formed in the side wall of one axial end of the recovery box (1) along the rotating shaft (2).