CN215364146U - Paper splitting and cutting device - Google Patents

Abstract

The utility model provides a paper bisection cutting device aiming at the defect that a device for cutting and winding roll paper in the prior art has poor cutting quality on paper, and belongs to the technical field of papermaking equipment.

Description

Paper splitting and cutting device

Technical Field

The utility model belongs to the technical field of papermaking equipment, and particularly relates to a paper splitting and slitting 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.

Disclosure of Invention

The utility model provides a paper splitting and cutting device aiming at the defect that the cutting quality of paper by a device for cutting and winding roll paper in the prior art is poor.

The utility model aims to be realized by the following technical scheme: a paper splitting and cutting device comprises a first rack and a second rack which are sequentially arranged, wherein 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; and a second motor for driving the upper roller and the lower roller to synchronously rotate reversely is further fixedly arranged on the mounting rack. In the above-mentioned scheme, the mechanism of cutting to opening that sets up can produce a crease to the paper earlier when cutting the paper, uses the cutting knife to cut the paper along the crease again, can make paper cutting quality better.

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.

Compared with the prior art, the utility model has the following beneficial effects: when the paper is cut, the paper is firstly provided with a crease, and then the paper is cut along the crease by using the cutting knife, so that the paper cutting quality is better.

Drawings

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

FIG. 2 is a perspective view of a first housing portion of the present invention;

FIG. 3 is a perspective view of a second and fourth housing portion of the present invention;

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;

the labels in the figure are: 3. the automatic cutting machine comprises a first rack, 4, a second rack, 5, a transverse roller, 6, a first motor, 7, a channel, 8, an upper fixing strip, 9, a lower fixing strip, 10, a mounting rack, 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, 40, a base, 41, a supporting frame, 42, a transverse frame, 43, a fixing table, 44, a screw hole, 45, a fourth rack, 46, a guide strip, 47, a screw rod, 48 and a servo motor.

Detailed Description

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

example 1

As shown in fig. 1, 2, 3 and 4, a paper splitting and cutting device comprises a first frame 3 and a second frame 4 which are arranged in sequence, wherein the first frame 3 is provided with two groups of transverse rollers 5 which are arranged transversely and a first motor 6 for driving the transverse rollers 5 to rotate; 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 base 40 of second frame 4, 4 below in the 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 automatic 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 is equipped with on the fourth frame 45 and is used for driving lead screw 47 pivoted servo motor 48.

When the utility model is produced, paper firstly passes through the first rack 3, the first motor 6 can drive the 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 friction force, the two transverse rollers 5 in the same group can press and convey the paper, the paper passes through the roller group 11 on the second rack 4, the upper roller 12 and the lower roller 13 in the roller 26 group are matched to press and convey the paper, and simultaneously, the two inclined surfaces 15 on the supporting strip 14 are matched to ensure that the paper generates creases at the connecting parts between the two inclined surfaces 15 on the supporting strip 14 when the paper passes through the supporting strip 14, finally, the paper is cut along the creases by the cutting knife 17, and the cutting edge of the cutting knife 17 is obliquely and upwards arranged towards one side of the supporting strip 14, and the utility model is discovered by a plurality of experiments of an applicant, after the paper is cut by the arrangement and the operation flow, the cutting position of the paper by the cutting edge is smoother, and the cutting quality is better.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. 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 utility model as defined in the appended claims.

Claims (3)

1. A paper splitting and cutting device is characterized by comprising a first rack and a second rack which are sequentially arranged, wherein 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 upper end face of one end of the lower fixing strip back to the first rack is vertically provided with a cutting knife, and the mounting rack is further fixedly provided with a second motor for driving the upper roller and the lower roller to synchronously rotate reversely.

2. A paper sheet bisecting and cutting 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 face 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 face of the base, and the lower fixing strip is fixed on the fixing table; the mounting frame is fixed on the support frame.

3. A paper sheet bisecting and cutting device according to claim 2, wherein a screw hole is transversely formed in the second rack, 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 slidably arranged on the guide strip, 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 and is arranged on the fourth rack, the lead screw is in threaded connection with the screw hole, 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.

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