CN210682578U

CN210682578U - Air suction servo press-free paper feeder

Info

Publication number: CN210682578U
Application number: CN201921309579.4U
Authority: CN
Inventors: 高文举
Original assignee: Shenzhen Junxing Jingji Carton Machinery Co ltd
Current assignee: Shenzhen Hengli Junxing Intelligent Equipment Co.,Ltd.
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-05
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to a servo pressure paper feeder of exempting from induced drafts, include: the limiting mechanism is used for limiting the peripheral position of the stacked paper boards and forming a stacking area for stacking the paper boards, the limiting mechanism comprises a front baffle, and a paper outlet through which the lowest paper board can be conveyed out in a translation mode is formed in the lower side edge of the front baffle; the paper feeding mechanism comprises a conveying wheel assembly arranged on the lower side of the stacking area, the conveying wheel assembly comprises at least two rows of conveying wheels arranged side by side, and one row of conveying wheels close to the edge is positioned on the lower side of the front baffle to convey the paper boards in the paper outlet; each row of conveying wheels is respectively started and stopped, and an air suction device comprises an air box arranged on the lower side of the conveying wheel assembly, wherein ventilation holes are distributed in the upper side wall of the air box, so that the lowermost paperboard is tightly sucked on the conveying wheel assembly. The lowest layer of paper board is tightly sucked on the conveying wheel assembly, the conveying wheel assembly is driven to completely send out the paper to the paper outlet, and stacked paper boards are sent out to the printing area from the lowest layer in sequence, so that automatic feeding is realized.

Description

Air suction servo press-free paper feeder

Technical Field

The utility model relates to a lithography apparatus field of relevance, more specifically say, relate to a servo pressure paper feeder of exempting from that induced drafts.

Background

In the prior art, the printing paper feeder is provided with a stacking area A 'and a printing area B', the stacking area A 'is used for stacking paper feeding plates, a baffle plate 11' is arranged between the stacking area A 'and the printing area B', a paper outlet C 'is arranged below the baffle plate 11', and a driving wheel 21 'and a suction fan 3' which are arranged below the stacking area A 'suck the paper plates at the lowest layer and then transmit the paper plates to the printing area B' after the paper plates are sucked.

In order to allow the cardboard to be completely discharged from the discharge opening C ', a driving wheel 21' and a suction fan 3' are also provided outside the discharge opening C ', i.e. the driving wheel 21' and the suction fan 3' are provided on both sides of the baffle 11 '.

After the driving wheel 21 'in the paper outlet C' conveys the paper boards outwards, the outer suction fan 3 'of the paper outlet C' sucks the paper boards, and the driving wheel 21 'outside the paper outlet C' is responsible for completely conveying the paper boards out of the paper outlet C 'to avoid stopping at the paper outlet C' to influence the transmission of the next paper board.

Thus, it is necessary to provide the driving wheel 21' and the suction fan 3' inside and outside the discharge port C ', which increases the cost of the parts and the conveying space.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a servo pressure paper feeder of exempting from that induced drafts is provided.

The utility model provides a technical scheme that its technical problem adopted is: an air suction servo pressure-free paper feeder is constructed, comprising:

the limiting mechanism is used for limiting the peripheral position of the stacked paper boards to form a stacking area for stacking the paper boards, the limiting mechanism comprises a front baffle vertically arranged on one side edge of the stacking area, and a paper outlet capable of horizontally conveying the paper boards at the lowest layer is formed in the lower side edge of the front baffle;

the paper feeding mechanism comprises a conveying wheel assembly arranged on the lower side of the stacking area, the conveying wheel assembly comprises at least two rows of conveying wheels arranged side by side, each row of conveying wheels is provided with a plurality of conveying wheels, and the conveying wheel close to the edge is positioned on the lower side of the front baffle to convey the paper boards in the paper outlet;

the control device is used for controlling the starting and stopping of each row of conveying wheels respectively; and

the air suction device comprises an air box arranged on the lower side of the conveying wheel assembly, wherein ventilation holes are distributed in the upper side wall of the air box, so that the paper board at the lowest layer is tightly sucked onto the conveying wheel assembly, and the paper board at the lowest layer is conveyed outwards through the paper outlet when the conveying wheel assembly runs.

Preferably, each row of the delivery wheels is installed on a driving shaft, and the paper feeding mechanism further comprises a plurality of driving mechanisms which respectively drive the driving shafts to rotate;

the driving mechanism comprises a servo motor and a transmission assembly, the transmission assembly comprises an input gear and an output gear which are meshed with each other, the input gear is connected with the output shaft of the servo motor, the output gear is connected with the driving shaft to enable the servo motor to drive the input gear, the output gear and the driving shaft to rotate in sequence, and the outer diameter of the output gear is not larger than that of the transmission wheel and is not higher than that of the transmission wheel.

Preferably, the transmission assembly further comprises a gear box covered outside the input gear and the output gear, the gear box is detachably mounted outside the side wall of the air box, and the servo motor is mounted on the outer wall surface of the gear box.

Preferably, an output shaft of the servo motor is connected with a rotating shaft of the input gear through a coupler, and a rotating shaft of the output gear is connected with the driving shaft through a coupler.

Preferably, the transmission wheel is arranged above each ventilation hole, and the air suction device further comprises an air door control mechanism for controlling the number of the ventilation holes opened.

Preferably, the air baffle control mechanism comprises a plurality of air baffles distributed along the length direction of the paper outlet on the inner side surface of the upper side wall of the air box, so that the air vent at the position controlled by each air baffle is opened or closed.

Preferably, the wind deflector is arranged to be turned upside down to shield the vent hole at a corresponding position after being turned upside down, and to open the vent hole after being turned upside down.

Preferably, the air baffle control mechanism further comprises a handle located outside the air box and connected with the rotating shaft of the air baffle so as to drive the air baffle to rotate, and a second locking device used for keeping the air baffle at a rotated position is arranged on the handle.

Preferably, the second locking device comprises a positioning head and a reset piece, the positioning head can move in a direction close to or away from the air box, and the reset piece provides elastic force for the positioning head to approach the air box;

and a clamping hole for the positioning head to be clamped is formed in the outer wall surface of the air box, so that the air baffle is kept at a rotating position after the air vent is opened or closed.

Preferably, the limiting mechanism comprises a rear baffle plate and two side baffle plates, wherein the rear baffle plate is arranged opposite to the front baffle plate at an interval, and the two side baffle plates are arranged opposite to each other at an interval, so that the stacked paper boards are positioned from four sides of the periphery;

the lower edge of the front baffle deviates upwards from the supporting surface of the conveying wheel assembly for supporting the paper board so as to leave a gap to form the paper outlet.

Implement the utility model discloses a servo pressure paper feeder of exempting from induced drafts has following beneficial effect: the cardboard can be stacked the district of stacking in advance, and when the operation of conveying wheel subassembly, the device that induced drafts can tightly be inhaled the cardboard of stacking the lower floor to conveying wheel subassembly, drives lower floor's cardboard and removes outside the exit slot along with the operation of conveying wheel subassembly, reaches the effect that the cardboard that will stack from lower floor in proper order sent away the printing district printing, and one row of conveying wheel is located preceding baffle downside can also guarantee to get into the cardboard of exit slot and pass completely the exit slot, avoids the tail end of cardboard to stop at the exit slot behind the conveying wheel subassembly, does benefit to and transmits the cardboard to the exit slot completely, has realized automatic pay-off, has promoted production efficiency, and the cost is reduced has saved the manpower.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic structural diagram of a side view of an embodiment of the present invention when a paper sheet is stacked on an air suction servo non-pressing paper feeder;

FIG. 2 is a schematic side view of the suction servo non-pressure paper feeder of FIG. 1;

FIG. 3 is a schematic diagram of a right-view direction structure of the suction servo non-pressure paper feeder in FIG. 2;

FIG. 4 is a schematic diagram of the transmission structure of the driving mechanism and the conveying wheel assembly in the top view of the suction servo non-pressure paper feeder in FIG. 3;

FIG. 5 is a schematic view of one end of the drive shaft of FIG. 4 coupled to a drive mechanism;

FIG. 6 is a schematic elevational view of the input gear, output gear and drive wheel of the drive mechanism of FIG. 2;

fig. 7 is a schematic sheet feeding diagram of a sheet feeder in the related art.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the suction servo pressure-free paper feeder according to a preferred embodiment of the present invention includes a position-limiting mechanism 1, a paper feeding mechanism 2, and a suction device 3.

Referring to fig. 1 to 4, the limiting mechanism 1 is used to limit the peripheral position of the stacked paper boards 4 to form a stacking area a where the paper boards 4 are stacked, the limiting mechanism 1 includes a front baffle 11 vertically disposed on one side of the stacking area a, and a paper outlet B through which the lowest paper board 4 can be horizontally conveyed is disposed on the lower side of the front baffle 11.

The sheet feeding mechanism 2 includes a transporting roller assembly 21 disposed at a lower side of the stacking area a, and the transporting roller assembly 21 includes three rows of transporting rollers 211 disposed side by side, each row of transporting rollers 211 having a plurality of transporting rollers. Wherein the one row of transfer gear 211 that leans on the limit is located preceding baffle 11 downside to can pass out exit slot B to 4 complete transmissions of cardboard in the exit slot B, avoid the tail end of cardboard 4 to stop behind transfer wheel subassembly 21 at exit slot B, do benefit to and transmit cardboard 4 to exit slot B completely, need not set up extra transfer gear in exit slot B outside, saved cost and space.

Preferably, the upper side of the row of conveying wheels 211 located on the lower side of the paper outlet B is opposite to the paper outlet B, so as to ensure that the paper board 4 is completely discharged out of the paper outlet B, of course, the row of conveying wheels 211 close to the edge can also be properly deviated to the outer side of the paper outlet B, and after the tail portion of the paper board 4 enters the paper outlet B, the conveying wheels 211 drive the paper board 4 to move outward of the paper outlet B until the paper board is completely moved out of the paper outlet B.

The three rows of transfer wheels 211 rotate to move the paper board 4. In some embodiments, the suction servo pressure-free paper feeder further includes a control device for controlling the start and stop of each row of the feeding wheels 211, and a control program can be set according to the size of the paper board 4, so that after the rear edge of the paper board 4 is fed by one row of the feeding wheels 211, the rotation of the row of the feeding wheels 211 is stopped, and the paper board 4 from the bottom to the second layer is prevented from moving.

As shown in fig. 4 and 5, the paper feeding mechanism 2 further includes a plurality of driving mechanisms 22 for respectively driving the driving shafts 212 to rotate, each driving mechanism 22 includes a servo motor 221 and a transmission assembly 222, the transmission assembly 222 includes an input gear 2221 and an output gear 2222, the input gear 2221 is connected to an output shaft of the servo motor 221, and the output gear 2222 is connected to the driving shaft 212, so that the servo motor 221 sequentially drives the input gear 2221, the output gear 2222, and the driving shaft 212 to rotate.

Preferably, an output shaft of the servo motor 221 is coupled to a rotating shaft of the input gear 2221 through a coupling, and a rotating shaft of the output gear 2222 is coupled to the driving shaft 212 through a coupling.

Each row of the transmission wheels 211 is provided with a plurality of transmission wheels which are arranged on the same driving shaft 212 and driven by the servo motor 221 to synchronously rotate, and the transmission wheels 211 on each row are staggered axially and are arranged in a staggered manner, so that the distance between two adjacent rows of the transmission wheels 211 is smaller, and force application transmission is facilitated.

As shown in fig. 6, the outer diameter of the output gear 2222 is not larger than the transmission wheel 211, so as not to be higher than the transmission wheel 211, and thus the interference of the driving mechanism 22 on the paper sheets 4 on the transmission wheel 211 is avoided, so that the transmission wheel assembly 21 can be adapted to transmit paper sheets 4 with different widths and different thicknesses, and only the transmission wheel assembly 21 with different lengths needs to be replaced without replacing the driving mechanism 22. In other embodiments, the transfer wheel assembly 21 may also be two or more than three rows of transfer wheels.

Referring to fig. 2 and 4, the air suction device 3 includes an air box 31 disposed at the lower side of the conveying wheel assembly 21, air holes 311 are distributed on the upper side wall of the air box 31, the air box 31 is communicated with a suction fan 32, when the suction fan 32 operates, air flows from the inside of the outward air holes 311 to generate suction force, so as to tightly suck the lowermost paper board 4 onto the conveying wheel assembly 21, and when the conveying wheel assembly 21 operates, the lowermost paper board 4 is conveyed outward through the paper outlet B.

The transmission assembly 222 further includes a gear box 2223 covering the input gear 2221 and the output gear 2222, the gear box 2223 is detachably mounted outside the side wall of the wind box 31, and the servo motor 221 is mounted on the outer wall surface of the gear box 2223, so as to reduce the influence on the transmission of the sheet feeding plate 4 by the transmission wheel assembly 21.

Stacking area A can be stacked to cardboard 4 in advance, when conveying wheel subassembly 21 operates, induced draft device 3 can tightly inhale conveying wheel subassembly 21 with cardboard 4 of stacking the lower floor cardboard 4, the operation along with conveying wheel subassembly 21 drives lower floor cardboard 4 and removes outside paper exit B, reach the effect of sending out printing area C printing from lower floor cardboard 4 of stacking in proper order, automatic pay-off has been realized, and the production efficiency is promoted, the cost is reduced, and the manpower is saved.

In some embodiments, the stop mechanism 1 includes a rear flap 12 spaced opposite the front flap 11, and two side flaps 13 spaced opposite each other to position the stacked sheets 4 from four sides of the circumference. In other embodiments, the limiting mechanism 1 may also include positioning blocks, positioning frames, etc. capable of positioning the paper board 4 from four sides.

As shown in fig. 1 to fig. 3, further, the lower edge of the front baffle 11 is offset upward from the supporting surface of the conveying wheel assembly 21 for supporting the paper board 4, so as to form a paper outlet B by leaving a space gap in the height direction between the lower edge of the front baffle 11 and the supporting surface, and the paper board 4 is conveyed by the conveying wheel assembly 21 and is horizontally conveyed out from the paper outlet B. The width of the paper outlet B in the height direction is not less than the thickness of a single paperboard 4, so that the paper outlet B can be sent out, and in addition, the width of the paper outlet B in the height direction is not more than the thickness of two paperboards 4, so that the second layer of paperboards 4 from bottom to top are prevented from being sent out.

As shown in fig. 2 to 3, the suction servo pressure-free paper feeder further includes a first guide rail 5 and four sliders 51 mounted on the first guide rail 5 in a position-adjustable manner; the two side baffles 13 are respectively arranged on the two sliding blocks 51, and the distance between the two side baffles 13 is adjusted to adapt to the paper boards 4 with different sizes and position the edges of the paper boards 4. Usually, a supporting pull rod is further provided, a mounting groove is arranged on the supporting pull rod along the horizontal direction, and a locking piece penetrates through the first guide rail 5 and is locked with the mounting groove of the supporting pull rod.

Referring to fig. 2 and 3, in this embodiment, the limiting mechanism 1 includes two front baffles 11 arranged side by side, the two front baffles 11 are located between the two side baffles 13, each front baffle 11 is respectively installed on the other two sliders 51, and the height position on the slider 51 is adjustable, so as to adjust the height position of the lower side of the front baffle 11, so that the width between the lower side of the front baffle 11 and the supporting surface in the height direction is adjustable, and the paper outlet B can be discharged when the paper board 4 with different thicknesses is adapted.

Preferably, the adjusting bolt 512 on the slider 51 can be used to rotate and drive the front baffle 11 to lift, and the front baffle 11 is further provided with a guide groove 111 to limit the front baffle 11 to lift in the height direction, so as to ensure that the position is not deviated. In other embodiments, only one front baffle 11 may be included, and correspondingly, the number of sliders 51 may be reduced by one.

Referring to fig. 2 to 3, in some embodiments, the suction servo pressure-free paper feeder further includes a second guide rail 7 disposed at an angle to the first guide rail 5, a third guide rail 8 adjustably mounted on the second guide rail 7, and a sliding seat 9 adjustably mounted on the third guide rail 8.

The rear baffle 12 is arranged on the sliding seat 9, and the position of the third guide rail 8 on the second guide rail 7 can be adjusted according to the size of the paper board 4, so that the distance between the rear baffle 12 and the front baffle 11 is adjusted. Further, the third rail 8 is parallel to the first rail 5, and keeps the front bezel 11 and the rear bezel 12 parallel. Preferably, if the size of the sheet 4 is large, an idler 71 may be provided between the tailgate 12 and the transfer wheel assembly 21 to provide support at the bottom of the sheet 4 to reduce the load of the tailgate 12.

The rear barrier 12 includes a side plate 121 and a support plate 122 horizontally disposed and connected to the side plate 121, and the support plate 122 extends toward the front barrier 11. The side panels 121 position the sides of the stacked sheets 4 and the support panels 122 support the bottom of the stacked sheets 4.

Furthermore, the sliding seat 9 is further provided with a lifting mechanism 91 for adjusting the height position of the rear baffle 12, so that the bottom position of the paper board 4 supported by the rear baffle 12 is lifted, and the sliding towards the front baffle 11 is facilitated.

Referring to fig. 2 and 4, the suction device 3 further includes a damper control mechanism 33 for controlling the number of the open ventilation holes 311, so that the ventilation holes 311 opposite to the area where the cardboard sheet 4 is located are opened, and the other ventilation holes 311 not opposite to the area where the cardboard sheet 4 is located are closed, thereby generating a suction force to suck the cardboard sheet 4 against the conveying wheel assembly 21 by the operation of the suction fan 32.

Preferably, a transfer wheel 211 is disposed above each ventilation hole 311, so that the airflow can flow at a position just opposite to the transfer wheel 211, and the cardboard 4 can be adsorbed on the transfer wheel 211.

In some embodiments, the damper control mechanism 33 includes a plurality of wind deflectors 331 distributed along the length of the paper outlet B on the inner side of the upper side wall of the wind box 31, so that the vent holes 311 controlled by the wind deflectors 331 are opened or closed.

Further, the wind guard 331 may be disposed to be turned upside down to shield the vent hole 311 at a corresponding position after being turned upside down, and to open the vent hole 311 after being turned upside down. In other embodiments, the wind deflector 331 may also be slidably mounted on the inner wall surface or the outer wall surface of the air box 31.

The wind deflector 331 is installed inside the wind box 31, and in order to facilitate the rotation of the wind deflector 331, the wind control mechanism 33 further includes a handle 332 located outside the wind box 31 and connected to the rotation shaft of the wind deflector 331, the handle 332 extends out of the wind box 31 along the axial direction of the rotation shaft, and the rotation handle 332 can drive the wind deflector 331 to rotate.

The handle 332 is provided with a second locking device 333 for keeping the wind deflector 331 at a rotated position, so as to ensure the accuracy of the rotated position.

Further, the second locking device 333 includes a positioning head 3331 and a restoring member 3332, the positioning head 3331 being movable in a direction approaching or moving away from the bellows 31, the restoring member 3332 providing the positioning head 3331 with an elastic force approaching the bellows 31.

The outer wall surface of the bellows 31 is provided with a locking hole into which the positioning head 3331 is locked, and the positioning head 3331 is locked into the locking hole at a corresponding position by the restoring member 3332 to maintain the wind shield 331 at a rotational position after opening or closing the ventilation hole 311.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A kind of suction servo non-pressing paper feeder, characterized by that, including:

the limiting mechanism (1) is used for limiting the peripheral position of the stacked paper boards (4) to form a stacking area (A) for stacking the paper boards (4), the limiting mechanism (1) comprises a front baffle (11) vertically arranged on one side edge of the stacking area (A), and a paper outlet (B) for horizontally conveying the paper boards (4) at the lowest layer is formed in the lower side edge of the front baffle (11);

the paper feeding mechanism (2) comprises a conveying wheel assembly (21) arranged on the lower side of the stacking area (A), the conveying wheel assembly (21) comprises at least two rows of conveying wheels (211) arranged side by side, each row of conveying wheels (211) is provided with a plurality of conveying wheels, and one row of conveying wheels (211) close to the edge is positioned on the lower side of the front baffle (11) so as to convey the paper boards (4) in the paper outlet (B);

the control device is used for controlling the starting and stopping of each row of conveying wheels (211) respectively; and

air suction device (3) comprises an air box (31) arranged on the lower side of the conveying wheel assembly (21), wherein air holes (311) are distributed in the upper side wall of the air box (31) so as to tightly suck the paper board (4) at the lowest layer onto the conveying wheel assembly (21), and the paper board (4) at the lowest layer is conveyed outwards through the paper outlet (B) when the conveying wheel assembly (21) operates.

2. The suction servo pressure-free paper feeder according to claim 1, wherein each row of the feeding rollers (211) is mounted on a driving shaft (212), the paper feeder (2) further comprises a plurality of driving mechanisms (22) for driving the driving shafts (212) to rotate, respectively;

the driving mechanism (22) comprises a servo motor (221) and a transmission assembly (222), the transmission assembly (222) comprises an input gear (2221) and an output gear (2222) which are meshed with each other, the input gear (2221) is connected with an output shaft of the servo motor (221), the output gear (2222) is connected with the driving shaft (212), the servo motor (221) drives the input gear (2221), the output gear (2222) and the driving shaft (212) to rotate in sequence, and the outer diameter of the output gear (2222) is not larger than that of the transmission wheel (211) and is not higher than that of the transmission wheel (211).

3. The suction servo pressure-free paper feeder according to claim 2, wherein the transmission assembly (222) further comprises a gear box (2223) covering the input gear (2221) and the output gear (2222), the gear box (2223) is detachably mounted outside the side wall of the air box (31), and the servo motor (221) is mounted on the outer wall surface of the gear box (2223).

4. The suction servo pressure-free paper feeder according to claim 3, wherein the output shaft of the servo motor (221) is coupled to the rotating shaft of the input gear (2221) through a coupling, and the rotating shaft of the output gear (2222) is coupled to the driving shaft (212) through a coupling.

5. The suction servo pressure-free paper feeder according to any one of claims 1 to 4, wherein a transfer roller (211) is provided above each of the ventilation holes (311), and the suction device (3) further comprises a damper control mechanism (33) for controlling the number of the ventilation holes (311) opened;

the air door control mechanism (33) comprises a plurality of air baffles (331) distributed on the inner side surface of the upper side wall of the air box (31) along the length direction of the paper outlet (B), so that the air vents (311) at the positions controlled by the air baffles (331) are opened or closed.

6. The suction servo non-pressure paper feeder according to claim 5, wherein the wind shielding plate (331) is provided to be turned upside down to shield the ventilation hole (311) at a corresponding position after being turned upside down, and to open the ventilation hole (311) after being turned upside down.

7. The suction servo pressure-free paper feeder according to claim 5, wherein the air door control mechanism (33) further comprises a handle (332) located outside the air box (31) and connected with the rotation shaft of the air baffle (331) to drive the air baffle (331) to rotate, and the handle (332) is provided with a second locking device (333) for keeping the air baffle (331) at a rotated position;

the second locking device (333) comprises a positioning head (3331) and a reset piece (3332), the positioning head (3331) can move in a direction close to or far away from the air box (31), and the reset piece (3332) provides elastic force for the positioning head (3331) to approach the air box (31);

the outer wall surface of the air box (31) is provided with a clamping hole for the positioning head (3331) to clamp, so that the air baffle (331) is kept at a rotating position after the air vent (311) is opened or closed.

8. The suction servo pressure-free paper feeder according to any one of claims 1 to 4, wherein the limiting mechanism (1) comprises a rear baffle (12) oppositely spaced from the front baffle (11), and two side baffles (13) oppositely spaced from each other to position the stacked paper sheets (4) from four sides of the circumference;

the lower edge of the front baffle (11) deviates upwards from the supporting surface of the conveying wheel assembly (21) for supporting the paper board (4) so as to leave a gap to form the paper outlet (B).