CN114524307A

CN114524307A - Paper is rolled over in advance and is cut coiling mechanism

Info

Publication number: CN114524307A
Application number: CN202210318060.2A
Authority: CN
Inventors: 姜文彬; 刘红富
Original assignee: Zhejiang Jintong Paper Industry Co ltd
Current assignee: Zhejiang Jintong Paper Industry Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-05-24
Anticipated expiration: 2041-04-06
Also published as: CN113200386B; CN113200386A; CN114524307B

Abstract

The invention provides a paper pre-folding, slitting and winding device aiming at the defects that the cutting quality of a device for cutting and winding roll paper is poor and shafts are not easy to change in the prior art, belongs to the technical field of papermaking equipment, and comprises a slitting mechanism and two winding and shaft changing mechanisms, wherein the slitting mechanism realizes crease processing on the paper through a support bar arranged on the slitting mechanism, and then the paper is cut along the crease through a cutter, so that the cutting quality can be improved. Two the rolling trades a mechanism and sets up side by side run from opposite directions cuts the mechanism rear end, can carry out the rolling automatically and trade the axle, very big promotion production efficiency.

Description

Paper is rolled over in advance and is cut coiling mechanism

Technical Field

The invention belongs to the technical field of papermaking equipment, and particularly relates to a paper pre-folding, slitting and winding device.

Background

In the production process of stock form, need be cut into narrower stock form with the great stock form branch of width sometimes, current stock form cuts mechanism and generally adopts the compression roller to compress tightly the transport to directly place in required position with fixed cutting knife, the stock form that compresses tightly the transport by the compression roller will be cut into narrower paper by the cutting knife voluntarily, directly adopts this kind of cutting to place, and the position that the paper was cut is uneven easily, and the cutting quality is relatively poor. The paper after the cutting needs to carry out the rolling with winding mechanism, reforms the stock form, to the great stock form of diameter behind the great and rolling of volume, generally adopts great winding mechanism, and this kind of winding mechanism accomplishes that the rolling has the stock form axle volume of paper great and weight great because of the rolling after the rolling, can cause difficult shaft changing, and the manual shaft changing all needs a large amount of time at every turn, seriously influences production efficiency.

Disclosure of Invention

The invention provides a paper pre-folding, slitting and winding device, aiming at the defects that the cutting quality of paper is poor and the shaft is difficult to change by using a paper cutting and winding device in the prior art.

The invention aims to be realized by the following technical scheme: a paper pre-folding, slitting and winding device, which comprises a split slitting mechanism and two winding shaft-changing mechanisms,

the splitting mechanism comprises a first rack and a second rack which are sequentially arranged, and a plurality of groups of transverse rollers which are transversely arranged and a first motor for driving the transverse rollers to rotate are arranged on the first rack; the paper feeding device is characterized in that a channel transversely penetrating through the front side and the rear side of the second rack is arranged on the second rack, an upper fixing strip and a lower fixing strip are arranged in the channel and are arranged along the channel, the upper fixing strip and the lower fixing strip are parallel to each other and are positioned right above the lower fixing strip, the upper fixing strip and the lower fixing strip are respectively fixed on the second rack, a mounting frame fixed on the second rack is respectively arranged on two sides of the lower fixing strip in the channel, at least two groups of roller sets are respectively arranged on two sides of the upper fixing strip in the channel, the roller sets on two sides of the upper fixing strip are symmetrically distributed and comprise an upper roller and a lower roller which are matched with each other, the upper roller is gradually inclined downwards from one end close to the upper fixing strip to the other end, the upper roller is positioned right above the lower roller and is parallel to the upper roller and the lower roller, and a gap for conveying paper is arranged between the upper roller and the lower roller, the upper roller can only be arranged between the upper fixing strip and the mounting rack in a self-rotating manner, and the lower roller can only be arranged between the lower fixing strip and the mounting rack in a self-transmitting manner; the upper end face of the lower fixing strip is fixedly provided with a support strip which is arranged in a square shape along the length of the lower fixing strip, the upper end face of the support strip inclines downwards from the middle to two sides to form two inclined planes, and the inclined angle of each inclined plane is the same as that of the upper roller; the plane of the gaps in all the roller sets positioned on the same side of the upper fixing strip and the corresponding inclined planes on the supporting strips are positioned on the same plane, and the angle between the two inclined planes is 170-185 degrees; the guide wheel that can only autogyration is installed towards the one end of first frame to lower fixed strip, and the setting of guide wheel can avoid the paper to be scraped brokenly by the support bar when getting into the support bar. The upper end face of one end, back to the first rack, of the lower fixing strip is vertically provided with a cutting knife, the cutting edge of the cutting knife is arranged upwards in an inclined mode towards one side of the supporting strip, the highest position of the cutting edge of the cutting knife is higher than the highest position of the upper end of the supporting strip, and the lowest position of the cutting edge of the cutting knife is lower than the lowest position of the inclined face on the supporting strip; the mounting rack is also fixedly provided with a second motor for driving the upper roller and the lower roller to synchronously rotate reversely;

the two winding shaft-changing mechanisms are arranged at the rear ends of the split cutting mechanisms in parallel, each winding shaft-changing mechanism comprises a third rack and a paper winding shaft, two supporting beams for placing the paper winding shafts and two cross beams for conveying the paper winding shafts are fixedly arranged on the third rack, the two supporting beams are symmetrically distributed, the two cross beams are symmetrically distributed, the supporting beams and the cross beams are transversely arranged, the supporting beams are higher than the cross beams, and the length of the paper winding shaft is greater than the distance between the two supporting beams and is also greater than the distance between the two cross beams; the upper end surface of the cross beam is fixedly provided with mounting seats at positions close to the supporting beams, a transversely arranged roller which can only rotate is arranged between the two mounting seats, the roller is vertical to the first supporting beam, and the mounting seats are also fixedly provided with a third motor for driving the roller to rotate; a support plate which can only rotate around the central line of the roller is vertically arranged at the outer sides of the two ends of the roller respectively, and a power mechanism for driving the support plate to rotate is also arranged on the third rack; one end of each supporting plate is provided with a groove for placing a paper winding shaft, the cylinder surface of the roller passes through the grooves on the two supporting plates, the supporting plates are rotatably connected with arc-shaped plates capable of limiting the paper winding shaft in the grooves, and the supporting plates are also provided with first air cylinders for driving the arc-shaped plates to rotate; the utility model discloses a paper winding machine, including a supporting beam, a set of supporting beam, a set of supporting beam, a set of supporting beam, a set of supporting beam, a set of supporting beam, a supporting beam.

In the above-mentioned scheme, the split cutting mechanism that sets up can produce a crease to the paper earlier when cutting the paper, uses the cutting knife to cut the paper again, can make the paper cutting better quality. Paper after cutting is rolled by rolling shaft changing mechanism, can also carry out the automatic shaft changing operation of roll paper shaft after the rolling, need not the manual work and trades the axle, and is very convenient, and can greatly promote merit production efficiency.

Preferably, the second frame comprises a base, support frames are vertically and fixedly arranged on two sides of the upper end surface of the base, a cross frame is fixedly arranged between the upper ends of the support frames, the upper fixing strip is fixed on the cross frame, a fixing table with an isosceles trapezoid structure is fixedly arranged in the middle of the upper end surface of the base, and the lower fixing strip is fixed on the fixing table; the mounting frame is fixed on the support frame.

Preferably, the second frame is provided with a screw hole which is transversely arranged, a fourth frame is further arranged below the second frame, a guide strip which is parallel to the transverse roller is fixedly arranged on the fourth frame, the second frame is arranged on the guide strip in a sliding mode, a screw rod which is used for driving the second frame to move along the guide strip is further arranged on the fourth frame, the screw rod can only rotate and is arranged on the fourth frame, the screw rod is connected with the screw hole in a screwed mode, the screw rod is parallel to the guide strip, and a servo motor which is used for driving the screw rod to rotate is further fixedly arranged on the fourth frame. The screw rod is driven to rotate by the servo motor, so that the position of the whole second rack can be transversely adjusted, and the middle of the supporting strip and the cutting knife on the second rack and the paper conveyed by the transverse roller on the first rack are aligned.

Preferably, the front side and the rear side of the upper end surface of the support beam are respectively and fixedly provided with a limit block; the utility model discloses a roll paper roll, including linking arm, supporting beam, stopper, linking arm up end, linking arm, supporting beam, the linking arm up end is equipped with the direction inclined plane of orientation linking arm outer end downward sloping, and the linking arm outer end is fixed to be equipped with towards the bellied spacing hook in direction inclined plane upper end, works as the linking arm will the roll paper axle holds up from a supporting beam and is higher than during the stopper, the direction inclined plane still downward sloping. The connecting arm can lift the paper winding shaft upwards to cross the limiting block when rotating upwards, and then the paper winding shaft slides downwards along the guide inclined plane.

Preferably, the connection part of the guide inclined plane and the limiting hook is of a circular arc structure.

Preferably, the upper end of the toggle arm is fixedly connected with a toggle piece with a C-shaped structure, and when the toggle arm is perpendicular to the upper end face of the cross beam, the lowest position of the inner side of the opening of the toggle piece is lower than the upper end face of the cross beam. The arrangement enables the poking arm to effectively poke the paper roll shaft to move along the cross beam.

Preferably, a C-shaped pressing plate is fixed on the swing arm. The arrangement enables the swing arm to effectively stir the roll paper shaft to move along the cross beam and to compress the roll paper shaft on the stop block.

Preferably, the roll paper shaft comprises two bases, a rotating shaft which can only rotate relative to the bases is rotatably connected between the two bases, and the bases and the rotating shaft are positioned on the same straight line; set up like this and influence the rotation of axis of rotation when can avoiding the arc to compress tightly the base, the axis of rotation can not rotate by a wide margin when also can the base removes along the crossbeam, can guarantee to coil the stability of the axis of rotation that has the paper. The base is cylindrical structure, and the base lateral surface be equipped with a supporting beam complex first ring groove, with backup pad complex second ring groove, with crossbeam complex third ring groove, with stir a complex fourth ring groove, with clamp plate complex fifth ring groove. The arrangement of the first circular ring groove, the second circular ring groove, the third circular ring groove, the fourth circular ring groove and the fifth circular ring groove enables the roll paper shaft to be difficult to move left and right when moving, and is more stable.

Preferably, the stop block is rotatably connected with the cross beam, and a fifth cylinder for driving the stop block to rotate is further fixedly arranged on the third rack.

Preferably, the support plate is fixedly provided with an arc-shaped rack arranged around the central line of the roller, the power mechanism comprises a stepping motor fixed on the third frame, and a rotating shaft on the stepping motor is fixedly provided with a gear meshed with the arc-shaped rack. The gear is driven to rotate by the stepping motor, and then the supporting plate can be driven to rotate by the arc-shaped rack meshed with the moon-shaped gear.

Compared with the prior art, the invention has the following beneficial effects: the paper slitting machine can improve the quality of slitting paper, can perform automatic winding and shaft changing operation, and can greatly improve the power production efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of a first frame portion of the split cutting mechanism;

FIG. 3 is a perspective view of the second and fourth frame portions of the slitting mechanism;

FIG. 4 is a schematic view of the position structure among the lower fixing strips, the supporting strips, the guide wheels and the cutting knives;

FIG. 5 is a perspective view of the winding and shaft-changing mechanism;

FIG. 6 is a front view of the roll paper shaft;

the labels in the figure are: 1. a splitting mechanism, 2, a rolling shaft-changing mechanism, 3, a first frame, 4, a second frame, 5, a transverse roller, 6, a first motor, 7, a channel, 8, an upper fixing strip, 9, a lower fixing strip, 10, a mounting frame, 11, a roller group, 12, an upper roller, 13, a lower roller, 14, a supporting strip, 15, an inclined plane, 16, a guide wheel, 17, a cutting knife, 18, a second motor, 19, a third frame, 20, a paper rolling shaft, 21, a base, 22, a rotating shaft, 23, a supporting beam, 24, a cross beam, 25, a mounting seat, 26, a roller, 27, a third motor, 28, a supporting plate, 29, a power mechanism, 30, a groove, 31, an arc-shaped plate, 32, a first cylinder, 33, a connecting arm, 34, a poking arm, 35, a stop dog, 36, a swinging arm, 37, a second cylinder, 38, a third cylinder, 39, a fourth cylinder, 40, a base, 41 and a supporting frame, 42. the transverse frame 43, the fixed platform 44, the screw hole 45, the fourth frame 46, the guide strip 47, the lead screw 48, the servo motor 49, the limiting block 50, the guide inclined plane 51, the limiting hook 52, the toggle piece 53, the pressing plate 54, the fifth cylinder 55, the circular arc rack 56, the stepping motor 57, the first circular groove 58, the second circular groove 59, the third circular groove 60, the fourth circular groove 61 and the fifth circular groove.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which:

example 1

As shown in fig. 1-6, a paper pre-folding, slitting and winding device comprises a slitting mechanism 1 and two winding shaft-changing mechanisms 2; the split slitting mechanism 1 comprises a first frame 3 and a second frame 4 which are sequentially arranged, and two groups of transverse rollers 5 which are transversely arranged and a first motor 6 for driving the transverse rollers 5 to rotate are arranged on the first frame 3; the roller device is characterized in that a channel 7 transversely penetrating through the front side and the rear side of the second rack 4 is arranged on the second rack 4, an upper fixing strip 8 and a lower fixing strip 9 are arranged in the channel 7 and are arranged along the channel 7, the upper fixing strip 8 and the lower fixing strip 9 are parallel to each other, the upper fixing strip 8 is positioned right above the lower fixing strip 9, the upper fixing strip 8 and the lower fixing strip 9 are respectively fixed on the second rack 4, two mounting frames 10 fixed on the second rack 4 are respectively arranged on two sides of the lower fixing strip 9 in the channel 7, two groups of roller sets 11 are respectively arranged on two sides of the upper fixing strip 8 in the channel 7, the roller sets 11 on two sides of the upper fixing strip 8 are symmetrically distributed, each roller set 11 comprises an upper roller 12 and a lower roller 13 which are matched with each other, the upper roller 12 is gradually inclined downwards from one end close to the other end of the upper fixing strip 8, the upper roller 12 is positioned right above the lower roller 13, and the upper roller 12 is parallel to the lower roller 13, a gap for conveying paper is arranged between the upper roller 12 and the lower roller 13, the upper roller 12 can only be arranged between the upper fixing strip 8 and the mounting rack 10 in a self-rotating manner, and the lower roller 13 can only be arranged between the lower fixing strip 9 and the mounting rack 10 in a self-rotating manner; the upper end surface of the lower fixing strip 9 is fixedly provided with a support strip 14 which is arranged along the length of the lower fixing strip 9 in a square manner, the upper end surface of the support strip 14 is inclined downwards from the middle to two sides to form two inclined surfaces 15, and the inclined angle of each inclined surface 15 is the same as that of the upper roller 12; the plane of the gaps in all the roller sets 11 on the same side of the upper fixing strip 8 and the corresponding inclined surfaces 15 on the supporting strips 14 are located on the same plane, and the angle between the two inclined surfaces 15 is 170-185 degrees; the lower fixing strip 9 is provided with a guide wheel 16 which can only rotate freely towards one end of the first frame 3, the upper end surface of the lower fixing strip 9, which is opposite to one end of the first frame 3, is vertically provided with a cutting knife 17, the cutting edge of the cutting knife 17 is obliquely and upwards arranged towards one side of the supporting bar 14, the highest position of the cutting edge of the cutting knife 17 is higher than the highest position of the upper end of the supporting bar 14, and the lowest position of the cutting edge of the cutting knife 17 is lower than the lowest position of the inclined surface 15 on the supporting bar 14; and a second motor 18 for driving the upper roller 12 and the lower roller 13 to synchronously rotate reversely is further fixedly arranged on the mounting rack 10.

The second frame 4 comprises a base 40, two sides of the upper end face of the base 40 are vertically and fixedly provided with supporting frames 41, a cross frame 42 is fixedly arranged between the upper ends of the supporting frames 41, the upper fixing strip 8 is fixed on the cross frame 42, the middle position of the upper end face of the base 40 is fixedly provided with a fixing table 43 with an isosceles trapezoid structure, and the lower fixing strip 9 is fixed on the fixing table 43; the mounting frame 10 is fixed to the support frame 41. Be equipped with the screw 44 of horizontal setting on the

second frame

4, 4 below of second frame still are equipped with fourth frame 45, on the fourth frame 45 fixed be equipped with the parallel gib block 46 of horizontal roller 5, second frame 4 slides and sets up on the gib block 46, still install on the fourth frame 45 and be used for the drive lead screw 47 that second frame 4 removed along gib block 46, the setting that lead screw 47 can only be autonomic is in on the fourth frame 45 and lead screw 47 with screw 44 spiro union, lead screw 47 with gib block 46 is parallel, still fixedly on the fourth frame 45 is equipped with and is used for driving lead screw 47 pivoted servo motor 48.

The two winding shaft-changing mechanisms 2 are arranged at the rear end of the split cutting mechanism 1 in parallel, each winding shaft-changing mechanism 2 comprises a third rack 19 and a paper roll shaft 20, two supporting beams 23 for placing the paper roll shafts 20 and two cross beams 24 for conveying the paper roll shafts 20 are fixedly arranged on the third rack 19, the two supporting beams 23 are symmetrically distributed, and a limiting block 49 is fixedly arranged on each of the front side and the rear side of the upper end face of each supporting beam 23; the two beams 24 are symmetrically distributed, the support beams 23 and the beams 24 are transversely arranged, the support beams 23 are higher than the beams 24, and the length of the paper winding shaft 20 is larger than the distance between the two support beams 23 and the distance between the two beams 24. The upper end surface of the cross beam 24 is fixedly provided with mounting seats 25 at a position close to the supporting beam 23, a transversely arranged and only self-rotating roller 26 is mounted between the two mounting seats 25, the roller 26 is vertical to the first supporting beam 23, and the mounting seats 25 are further fixedly provided with a third motor 27 for driving the roller 26 to rotate; the outer sides of two ends of the roller 26 are respectively and vertically provided with a supporting plate 28 which can only rotate around the central line of the roller 26, the supporting plate 28 is fixedly provided with an arc-shaped rack 55 arranged around the central line of the roller 26, the third frame 19 is also provided with a power mechanism 29 used for driving the supporting plate 28 to rotate, the power mechanism 29 comprises a stepping motor 56 fixed on the third frame 19, and a gear meshed with the arc-shaped rack 55 is fixedly arranged on a rotating shaft of the stepping motor 56. One end of the supporting plate 28 is provided with a groove 30 for placing the paper winding shaft 20, the cylinder surface of the roller 26 passes through the grooves 30 on the two supporting plates 28, the supporting plates 28 are rotatably connected with an arc-shaped plate 31 capable of limiting the paper winding shaft 20 in the groove 30, and the supporting plate 28 is further provided with a first air cylinder 32 for driving the arc-shaped plate 31 to rotate.

The side face of the supporting beam 23 is rotatably connected with a connecting arm 33 capable of conveying the paper roll shaft 20 on the supporting beam 23 to the groove 30 on the supporting plate 28, the upper end face of the connecting arm 33 is provided with a guide inclined plane 50 inclining downwards towards the outer end of the connecting arm 33, the outer end of the connecting arm 33 is fixedly provided with a limiting hook 51 protruding towards the upper end of the guide inclined plane 50, and the connecting part of the guide inclined plane 50 and the limiting hook 51 is of an arc-shaped structure. When the connecting arm 33 lifts the roll paper shaft 20 from the support beam 23 and is higher than the stopper 49, the guide slope 50 is still inclined downward. The third frame 19 is further rotatably connected with a toggle arm 34 for toggling the roll paper shaft 20 to move along the cross beam 24, the upper end of the toggle arm 34 is fixedly connected with a toggle piece 52 with a C-shaped structure, and when the toggle arm 34 is perpendicular to the upper end surface of the cross beam 24, the lowest position of the inner side of the opening of the toggle piece 52 is lower than the upper end surface of the cross beam 24. A stop block 35 for stopping the paper winding shaft 20 is arranged at a position of the cross beam 24 far away from the support beam 23, the stop block 35 is rotatably connected with the cross beam 24, and a fifth air cylinder 54 for driving the stop block 35 to rotate is further fixedly arranged on the third frame 19. A swing arm 36 capable of shifting the roll paper shaft 20 to move along the cross beam 24 and capable of pressing the roll paper shaft 20 against the stop 35 is further rotatably connected to the third frame 19 at a position between the shift arm 34 and the stop 35, and a pressing plate 53 having a C-shaped structure is fixed on the swing arm 36. The third frame 19 is further provided with a second air cylinder 37 for driving the connecting arm 33 to rotate, a third air cylinder 38 for driving the toggle arm 34 to rotate, and a fourth air cylinder 39 for driving the swing arm 36 to rotate.

The roll paper shaft 20 comprises two bases 21, a rotating shaft 22 which can only rotate relative to the bases 21 is rotatably connected between the two bases 21, and the bases 21 and the rotating shaft 22 are positioned on the same straight line. The base 21 is of a cylindrical structure, and a first circular groove 57 matched with the support beam 23, a second circular groove 58 matched with the support plate 28, a third circular groove 59 matched with the cross beam 24, a fourth circular groove 60 matched with the toggle piece 52 and a fifth circular groove 61 matched with the pressure plate 53 are arranged on the outer side surface of the base 21.

When the paper cutting machine is used for production, paper firstly passes through a first machine frame 3 on a bisecting mechanism 1, a first motor 6 can drive transverse rollers 5 to rotate, only one transverse roller 5 in each group of transverse rollers 5 is driven by the first motor 6, the other transverse roller 5 can synchronously and reversely rotate along with the transverse rollers under the action of friction force, two transverse rollers 5 in the same group can press and convey the paper, the paper passes through a roller group 11 on a second machine frame 4, an upper roller 12 and a lower roller 13 in a roller 26 group can press and convey the paper, and simultaneously two inclined planes 15 on a supporting strip 14 are matched, so that the paper can generate a crease at the joint between the two inclined planes 15 on the supporting strip 14 when the paper passes through the supporting strip 14, finally, the paper is cut along the crease by a cutting knife 17, and the cutting edge of the cutting knife 17 is arranged upwards towards one side of the supporting strip 14, through multiple experiments of the applicant, after the paper is cut by the arrangement and the operation process, the cutting position of the paper by the cutting edge is smoother, and the cutting quality is better. The cut paper is divided into two pieces, and the two pieces of paper enter the two winding shaft changing mechanisms 2 respectively.

When the winding and shaft-changing mechanism 2 works, the winding shaft 20 is placed between the two support beams 23 in advance, namely the two bases 21 on the winding shaft 20 are respectively erected on the two support beams 23, the second cylinder 37 is controlled to drive the connecting arm 33 to rotate upwards, the connecting arm 33 lifts the winding shaft 20 upwards until the winding shaft 20 is higher than the limiting block 49, the limiting block 49 can slide downwards to the position of the limiting hook 51 along the guiding inclined plane 50 on the connecting arm 33, the second cylinder 37 is controlled to drive the connecting arm 33 to rotate downwards until the winding shaft 20 is embedded into the groove 30 on the support plate 28, at this time, the winding shaft 20 cannot continuously rotate downwards along with the connecting arm 33, and the two bases 21 of the winding shaft 20 are respectively embedded into the two grooves 30; then the first cylinder 32 is controlled to drive the arc plate 31 on the supporting plate 28 to rotate, so that the arc plate 31 presses the base 21 in the groove 30, at this time, the rotating shaft 22 on the paper winding shaft 20 is attached to the roller 26, so that a worker can stir the paper, the paper passes between the paper winding shaft 20 and the roller 26 and is partially wound on the rotating shaft 22 of the paper winding shaft 20, the third motor 27 drives the roller 26 to rotate, the rotating shaft 22 with the partially wound paper rotates along with the roller 26, and the rotating shaft 22 on the paper winding shaft 20 is always wound with the paper, in the process, the first cylinder 32 drives the arc plate 31 to rotate to gradually release the base 21 on the paper roll 20, and as the paper on the paper roll 20 is wound more, the base 21 gradually moves toward the opening of the groove 30, at the same time, the power mechanism 29 drives the support plate 28 to rotate until the base 21 is erected on the cross beam 24, and at the moment, the arc-shaped plate 31 completely loosens the base 21; a worker separates roll paper on the roll paper shaft 20 from roll paper on the roller 26, then the third air cylinder 38 is controlled to drive the toggle arm 34 to rotate, the toggle arm 34 toggles the roll paper shaft 20 to move to the position near the rocker arm 36 along the cross beam 24, then the fourth air cylinder 39 is controlled to drive the rocker arm 36 to rotate, the rocker arm 36 toggles the roll paper shaft 20 to move along the cross beam 24 and can press the roll paper shaft 20 on the stop block 35, at the moment, the worker can control running mechanisms arranged in a factory to be hooked on the roll paper shaft 20 through a hook, the roll paper shaft 20 wound with paper is hung away, before hanging away, the fifth air cylinder 54 can be controlled to drive the stop block 35 to rotate downwards, the fourth air cylinder 39 is controlled to drive the rocker arm 36 to return to an initial position, and the situation that the arrangement of the stop block 35 and the rocker arm 36 affects the running mechanisms to hoist the roll paper shaft 20 is avoided. In the above process, the control power mechanism 29 drives the support plate 28 to return to the initial position, and controls the third air cylinder 38 to drive the toggle arm 34 to return to the initial position. After the roll paper shaft 20 is separated from the roller 26, the second air cylinder 37 can be controlled to drive the connecting arm 33 to rotate upwards to move the next roll paper shaft 20, the whole process can be continuously operated, automatic shaft replacement is realized, convenience is realized, and the work production efficiency can be greatly improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A paper pre-folding, slitting and winding device is characterized by comprising a splitting mechanism and two winding shaft-changing mechanisms,

the splitting mechanism comprises a first rack and a second rack which are sequentially arranged, and a plurality of groups of transverse rollers which are transversely arranged and a first motor for driving the transverse rollers to rotate are arranged on the first rack; the paper feeding device is characterized in that a channel transversely penetrating through the front side and the rear side of the second rack is arranged on the second rack, an upper fixing strip and a lower fixing strip are arranged in the channel and are arranged along the channel, the upper fixing strip and the lower fixing strip are parallel to each other and are positioned right above the lower fixing strip, the upper fixing strip and the lower fixing strip are respectively fixed on the second rack, a mounting frame fixed on the second rack is respectively arranged on two sides of the lower fixing strip in the channel, at least two groups of roller sets are respectively arranged on two sides of the upper fixing strip in the channel, the roller sets on two sides of the upper fixing strip are symmetrically distributed and comprise an upper roller and a lower roller which are matched with each other, the upper roller is gradually inclined downwards from one end close to the upper fixing strip to the other end, the upper roller is positioned right above the lower roller and is parallel to the upper roller and the lower roller, and a gap for conveying paper is arranged between the upper roller and the lower roller, the upper roller can only be arranged between the upper fixing strip and the mounting rack in a self-rotating manner, and the lower roller can only be arranged between the lower fixing strip and the mounting rack in a self-transmitting manner; the upper end face of the lower fixing strip is fixedly provided with a support strip which is arranged in a square shape along the length of the lower fixing strip, the upper end face of the support strip inclines downwards from the middle to two sides to form two inclined planes, and the inclined angle of each inclined plane is the same as that of the upper roller; the plane of the gaps in all the roller groups positioned on the same side of the upper fixing strip and the corresponding inclined planes on the supporting strips are positioned on the same plane; a cutting knife is vertically arranged on the upper end face of one end of the lower fixing strip, which is back to the first rack; the mounting rack is also fixedly provided with a second motor for driving the upper roller and the lower roller to synchronously rotate reversely;

the two winding shaft changing mechanisms are arranged at the rear ends of the split slitting mechanisms in parallel, each winding shaft changing mechanism comprises a third rack and a paper winding shaft, each paper winding shaft comprises two bases, a rotating shaft which can only rotate relative to the bases is rotatably connected between the two bases, and the bases and the rotating shafts are located on the same straight line; the third machine frame is fixedly provided with two supporting beams for placing the roll paper shaft and two cross beams for conveying the roll paper shaft, the two supporting beams are symmetrically distributed, the two cross beams are symmetrically distributed, the supporting beams and the cross beams are transversely arranged, the supporting beams are higher than the cross beams, and the length of the roll paper shaft is greater than the distance between the two supporting beams and the distance between the two cross beams; the upper end surface of the cross beam is fixedly provided with mounting seats at positions close to the supporting beams, a transversely arranged roller which can only rotate is arranged between the two mounting seats, the roller is vertical to the first supporting beam, and the mounting seats are also fixedly provided with a third motor for driving the roller to rotate; a support plate which can only rotate around the central line of the roller is vertically arranged at the outer sides of the two ends of the roller respectively, and a power mechanism for driving the support plate to rotate is also arranged on the third rack; one end of each supporting plate is provided with a groove for placing a paper winding shaft, the cylinder surface of the roller passes through the grooves on the two supporting plates, the supporting plates are rotatably connected with arc-shaped plates capable of limiting the paper winding shaft in the grooves, and the supporting plates are also provided with first air cylinders for driving the arc-shaped plates to rotate; the paper winding machine is characterized in that the side face of the supporting beam is rotatably connected with a connecting arm capable of conveying a paper winding shaft on the supporting beam into a groove in the supporting plate, the third rack is further rotatably connected with a poking arm used for poking the paper winding shaft to move along the cross beam, the upper end of the poking arm is fixedly connected with a poking piece of a C-shaped structure, when the poking arm is perpendicular to the upper end face of the cross beam, the lowest part of the inner side of an opening of the poking piece is lower than the upper end face of the cross beam, a stop block used for stopping the paper winding shaft is arranged at a position, away from the supporting beam, of the cross beam, the third rack is further rotatably connected with a swinging arm capable of poking the paper winding shaft to move along the cross beam and capable of pressing the paper winding shaft on the stop block, a pressing plate of the C-shaped structure is fixedly arranged on the swinging arm, and the third rack is further provided with a second cylinder used for driving the connecting arm to rotate, The third air cylinder is used for driving the poking arm to rotate, and the fourth air cylinder is used for driving the swinging arm to rotate; the base is cylindrical structure, and the base lateral surface is equipped with a supporting beam complex first ring groove, with backup pad complex second ring groove, with crossbeam complex third ring groove, with stir a complex fourth ring groove, with clamp plate complex fifth ring groove.

2. The paper pre-folding, slitting and winding device according to claim 1, wherein the second frame comprises a base, support frames are vertically and fixedly arranged on two sides of the upper end surface of the base, a cross frame is fixedly arranged between the upper ends of the support frames, the upper fixing strip is fixed on the cross frame, a fixing table is fixedly arranged on the upper end surface of the base, and the lower fixing strip is fixed on the fixing table; the mounting frame is fixed on the support frame.

3. The paper pre-folding, slitting and winding device according to claim 2 is characterized in that a screw hole is formed in the second rack in a transverse mode, a fourth rack is further arranged below the second rack, a guide strip parallel to the transverse roller is fixedly arranged on the fourth rack, the second rack is arranged on the guide strip in a sliding mode, a lead screw used for driving the second rack to move along the guide strip is further mounted on the fourth rack, the lead screw can only rotate freely and is arranged on the fourth rack, the lead screw is connected with the screw hole in a threaded mode, the lead screw is parallel to the guide strip, and a servo motor used for driving the lead screw to rotate is further fixedly arranged on the fourth rack.

4. The paper pre-folding, slitting and winding device according to claim 1, wherein a limiting block is fixedly arranged on each of the front side and the rear side of the upper end surface of the supporting beam; the utility model discloses a roll paper roll, including linking arm, supporting beam, stopper, linking arm up end, linking arm, supporting beam, the linking arm up end is equipped with the direction inclined plane of orientation linking arm outer end downward sloping, and the linking arm outer end is fixed to be equipped with towards the bellied spacing hook in direction inclined plane upper end, works as the linking arm will the roll paper axle holds up from a supporting beam and is higher than during the stopper, the direction inclined plane still downward sloping.

5. The paper pre-folding, slitting and winding device according to claim 4, wherein a connection portion of the guide inclined surface and the limiting hook is of a circular arc-shaped structure.

6. The paper pre-folding, slitting and winding device according to claim 1, wherein the stopper is rotatably connected with the cross beam, and a fifth cylinder for driving the stopper to rotate is further fixedly arranged on the third frame.

7. The paper pre-folding, slitting and winding device according to claim 1, wherein a circular arc-shaped rack arranged around a center line of the drum is fixedly arranged on the support plate, the power mechanism comprises a stepping motor fixed on the third frame, and a gear meshed with the circular arc-shaped rack is fixedly arranged on a rotating shaft of the stepping motor.