CN113003269A

CN113003269A - Fly cutter type automatic connection winding device

Info

Publication number: CN113003269A
Application number: CN202110417668.6A
Authority: CN
Inventors: 李意明; 陈诗煌; 林海鑫
Original assignee: Shantou Dacheng Environmental Protection Precision Machinery Technology Co ltd; Guangdong Dacheng Technology Co ltd
Current assignee: Shantou Dacheng Environmental Protection Precision Machinery Technology Co ltd; Guangdong Dacheng Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-06-22

Abstract

A flying knife type automatic overlap-connection winding device comprises a rack, a double-station winding mechanism, a swing seat, a first swing mechanism, a film connecting device and a flying knife cutting device, wherein the double-station winding mechanism comprises a roll-over stand, a turning mechanism, two winding shafts and two winding motors, and the two winding shafts are detachably mounted on the roll-over stand and are respectively positioned on a winding station and an unwinding station; the film connecting device comprises a swing arm, a second swing mechanism, a pressing sheet roller, a wrapping sheet roller, a tensioning seat, a tensioning roller, an annular belt and an extension spring, wherein the pressing sheet roller is rotatably arranged on the swing seat, the wrapping sheet roller is rotatably arranged on the swing arm, the tensioning roller is rotatably arranged on the tensioning seat, and the wrapping sheet roller, the pressing sheet roller and the tensioning roller tension the annular belt; one end of the extension spring is connected with the tensioning seat, and the other end of the extension spring is connected with the swinging seat; the fly cutter cutting device is positioned behind the film connecting device. The invention can automatically complete the cutting and splicing processes of the sheet, and can avoid the phenomena of folding of the sheet head, untight and compact roll core, serious roll core deviation and the like.

Description

Fly cutter type automatic connection winding device

Technical Field

The invention relates to a winding device, in particular to a fly cutter type automatic connection winding device.

Background

After the sheet production equipment completes the production of the sheet, a winding device is generally required to wind the sheet.

The traditional winding device generally only has one winding shaft, when the diameter of a sheet roll wound by the winding shaft reaches a set value and needs to be changed, the winding device needs to be stopped, then the sheet roll is manually taken down by a worker, and a new winding shaft is installed, so that the winding is continued. Because traditional coiling mechanism needs to shut down when changing the book to influence the continuous of production or processing and then influence production efficiency.

In order to facilitate the coil changing operation and improve the production efficiency, people design a double-station winding device, and the existing double-station winding device is generally provided with two winding shafts on a rotating bracket, wherein one winding shaft is positioned on a winding station, and the other winding shaft is positioned on an unwinding station. When the winding shaft of the winding station winds the sheet, a paper core can be mounted on the winding shaft of the coil unloading station in advance, so that the sheet can be wound without stopping when the coil is changed; when the diameter of the sheet roll wound by the winding shaft of the winding station reaches a set value and needs to be changed, the rotating bracket is rotated by 180 degrees, so that the winding shaft of the winding station and the winding shaft of the coil unloading station are switched, the winding shaft with the coiled sheet coil is positioned on the coil unloading station, the winding shaft with the paper core in advance is positioned on the winding station, and at the moment, the sheet between the two winding shafts is transversely cut, and the transversely cut sheet can be wound on the winding shaft which is provided with the paper core in advance along with the rotation of the winding shaft of the winding station, so that, the two winding shafts are used for alternately winding the sheet, so that the roll changing operation is convenient, the production efficiency is improved, however, in the roll changing process, when the transversely cut sheet is wound on a winding shaft, the phenomena of breakage of a sheet head, untight and serious roll core deviation and the like easily occur, and the quality of the sheet roll is seriously influenced. In addition, the double-station winding device is generally of a chopper type and can only be suitable for cutting sheets with the thickness of 0.05-0.5mm, and the sheets with thicker sheets (such as the thickness of more than 0.6 mm) are difficult to cut.

Disclosure of Invention

The invention aims to solve the technical problem of providing a fly-cutter type automatic overlap-connection winding device which can automatically complete the cutting-off and overlap-connection processes of sheets, is convenient to complete roll change operation, can avoid the phenomena of folding of sheet heads, untight roll cores, serious roll core deviation and the like, and is beneficial to ensuring the winding quality. The technical scheme is as follows:

a fly-cutter type automatic overlap-connection winding device comprises a frame and a double-station winding mechanism; the double-station winding mechanism comprises a roll-over frame, a turning mechanism capable of driving the roll-over frame to rotate, two winding shafts and two winding motors, wherein the turning mechanism is arranged on the frame, the axis of the roll-over frame is in the left-right direction, the two winding shafts can be detachably arranged on the roll-over frame, the double-station winding mechanism is provided with a winding station and an unwinding station, and the two winding shafts are respectively positioned on the winding station and the unwinding station; two coiling motors and two rolling axle one-to-one, the coiling motor is installed on the roll-over stand, and the power output shaft of coiling motor is connected its characterized in that with corresponding rolling axle transmission: the flying knife type automatic overlap-connection winding device further comprises a swinging seat, a first swinging mechanism capable of driving the swinging seat to swing up and down, a film connecting device and a flying knife cutting device, wherein the first swinging mechanism is mounted on the rack, the axis of the swinging seat is arranged along the left and right direction, the film connecting device comprises a swinging arm, a second swinging mechanism capable of driving the swinging arm to swing up and down, a pressing sheet roller, a sheet wrapping roller, a tensioning seat, a tensioning roller, an annular belt and a tension spring, the pressing sheet roller is rotatably mounted on the swinging seat, and the pressing sheet roller is positioned above the winding shaft of the winding station and corresponds to the position of the winding shaft; the second swing mechanism is arranged on the swing seat, the axis of the swing arm is arranged along the left-right direction, the wrapping roller is rotatably arranged on the swing arm, and the axis of the wrapping roller deviates from the axis of the swing arm and is positioned behind the sheeting roller; the tensioning seat can be horizontally moved back and forth and is arranged on the swinging seat, the tensioning roller can be rotatably arranged on the tensioning seat, and the wrapping roller, the tabletting roller and the tensioning roller together tension the annular belt; one end of the extension spring is connected with the tensioning seat, and the other end of the extension spring is connected with the swinging seat; the fly cutter cutting device is arranged on the swing seat and is positioned behind the film receiving device.

The front and the back in the specification are respectively: in the conveying direction of the sheet, first to front, slow to back.

When the device works, the winding shaft on the winding station continuously rotates under the driving of a corresponding winding motor to wind the sheet to form a sheet roll, and the sheet passes through the lower parts of the film receiving device and the fly cutter cutting device in sequence under the traction of the winding shaft before reaching the double-station unwinding mechanism; when the winding shaft on the winding station works, an operator can install an overhead paper core on the winding shaft of the coil unloading station and prepare for coil replacement in advance. When the diameter of a sheet roll wound on a winding shaft on a winding station reaches a set value, stopping rotating the winding shaft, driving a turnover frame to turn by a turning mechanism, enabling the winding shaft on the winding station and the winding shaft on an unwinding station to exchange positions, driving a swing seat and a film connecting device and a fly cutter cutting device on the swing seat to swing downwards together by a first swing mechanism, pushing the sheet to move towards a paper core on the winding shaft of the winding station through a sheet pressing roller and an annular belt, pressing and attaching the sheet to the paper core through the sheet pressing roller and the annular belt, and simultaneously enabling the fly cutter cutting device to act to transversely cut off a part of the sheet between the two winding shafts; then the second swing mechanism can drive the swing arm and the wrapping roller to swing downwards, the annular belt pushes the transversely cut sheet to wrap the surface of the paper core and press the tail end of the sheet on the surface of the paper core (in the process, the tensioning seat and the tensioning roller have the tendency of moving forwards under the action of the tension spring, the annular belt is automatically tensioned by the tensioning roller), and the tail end of the transversely cut sheet is connected to the surface of the paper core (the tail end of the sheet is generally provided with gummed paper); then, the winding shaft on the winding station and the paper core on the winding shaft start to rotate under the drive of a corresponding winding motor, the annular belt runs under the drive of the winding shaft, and the sheet is wound on the paper core under the action force of the annular belt in the process, so that the sheet is wound; after the paper core is rolled to a sheet with a certain length, the second swing mechanism can drive the swing arm and the wrapping roller to swing upwards for resetting, and then the first swing mechanism drives the swing seat, the film connecting device and the fly cutter cutting device to swing upwards for resetting together, so that the annular belt is completely separated from the rolling shaft (in the process, the tension seat and the tension roller have the tendency of moving towards the front under the action of the tension spring, and the annular belt is automatically tensioned through the tension roller), and the whole roll changing operation is completed. In the process of splicing the sheets, the winding shaft is actively wound by adopting the annular belt to wrap the sheet head and rotate together with the winding shaft, so that the phenomena of folding the sheet head, untight winding core, serious winding core deviation and the like can be avoided, and the winding quality is favorably ensured. In addition, the fly cutter cutting device can be used for automatically cutting off the sheet with the thickness of 0.05-2.5mm, and is favorable for ensuring the connection quality of the sheet.

In the preferred scheme, be equipped with the slide rail of trend around on the swing seat, the tensioning seat is installed on the slide rail and with slide rail sliding fit. When the tension device works, the tension seat and the tension roller slide forwards or backwards along the slide rail under the acting force of the annular belt and the tension spring.

In a preferable scheme, the first swing mechanism comprises a first swing shaft and a first air cylinder, the first swing shaft is rotatably mounted on the rack and moves left and right, and the front end part of the swing seat is fixedly mounted on the first swing shaft; the cylinder body of the first cylinder is hinged with the rack, and the piston rod of the first cylinder is hinged with the middle part of the swinging seat. When the device works, the piston rod of the first air cylinder can stretch and retract to drive the swing seat, the film connecting device and the fly cutter cutting device on the swing seat to swing upwards or downwards around the first swing shaft.

In a preferable scheme, the second swing mechanism comprises a second swing shaft, a swing motor and a reduction gear set, the swing motor is installed on the swing seat, the second swing shaft is rotatably installed on the swing seat and arranged along the left-right direction, the first end of the swing arm is connected with the second swing shaft, and the wrapping roller is rotatably installed on the second end of the swing arm; the primary gear of the reduction gear set is fixedly arranged on a power output shaft of the swing motor, and the final gear of the reduction gear set is fixedly arranged on the second swing shaft. When the device works, the swing motor drives the second swing shaft to rotate forwards or reversely through the reduction gear set to drive the swing arm and the wrapping roller to swing upwards or downwards around the second swing shaft.

In a preferred scheme, the turnover mechanism comprises a rotating shaft and a turnover motor, the rotating shaft is rotatably mounted on the rack and arranged along the left and right directions, the middle part of the turnover frame is fixedly mounted on the rotating shaft, and the two rolling shafts are symmetrically distributed on two sides of the rotating shaft. When the automatic winding and unwinding device works, the overturning motor drives the rotating shaft to rotate 180 degrees to drive the overturning frame to overturn 180 degrees, so that the positions of the winding shaft on the winding station and the positions of the winding shaft on the unwinding station are exchanged.

In a preferable scheme, the fly cutter cutting device comprises a fly cutter and a rodless cylinder, a cylinder body of the rodless cylinder is installed on the swing seat, and the fly cutter is installed on a sliding block of the rodless cylinder. When the automatic sheet cutting machine works, the fly cutter moves towards a sheet under the driving of the sliding block of the rodless cylinder, the sheet is transversely cut through the cutting edge of the fly cutter, and the automatic sheet cutting machine can automatically cut off the sheet with the thickness of 0.05-2.5 mm.

The fly cutter type automatic overlap-connection winding device can automatically complete the cutting-off and overlap-connection processes of the sheet with the thickness of 0.05-2.5mm, is convenient for finishing the roll change operation, and can avoid the phenomena of broken sheet head, untight roll core, serious roll core deviation and the like due to the fact that the annular belt wraps the sheet head and the winding shaft rotate together in the overlap-connection process, and is beneficial to ensuring the winding quality.

Drawings

Fig. 1 is a schematic structural view of a fly-cutter type automatic docking and winding apparatus according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the fly-cutter type automatic docking retractor shown in fig. 1 in a state of being ready for docking and reel change.

Fig. 3 is a schematic view of the fly-cutter type automatic roll docking and winding apparatus shown in fig. 1 in a docking and roll changing process.

Detailed Description

As shown in fig. 1-3, the flying knife type automatic overlap-connection winding device includes a frame 1, a double-station winding mechanism 2, a swing seat 3, a first swing mechanism 4 capable of driving the swing seat 3 to swing up and down, a film connecting device 5 and a flying knife cutting device 6; the double-station winding mechanism 2 comprises a roll-over frame 21, a turning mechanism 22 capable of driving the roll-over frame 21 to rotate, two winding shafts 23 and two winding motors (not shown in the figure), wherein the turning mechanism 22 is installed on the frame 1, the axis of the roll-over frame 21 is in the left-right direction, the two winding shafts 23 can be detachably installed on the roll-over frame 21, the double-station winding mechanism 2 is provided with a winding station 201 and an unwinding station 202, and the two winding shafts 23 are respectively positioned on the winding station 201 and the unwinding station 202; the two winding motors correspond to the two winding shafts 23 one by one, the winding motors are arranged on the roll-over stand 21, and power output shafts of the winding motors are in transmission connection with the corresponding winding shafts 23; the first swing mechanism 4 is arranged on the frame 1, and the axis of the swing seat 3 is arranged along the left-right direction; the film splicing device 5 comprises a swing arm 51, a second swing mechanism 52 capable of driving the swing arm 51 to swing up and down, a sheeting roller 53, a sheeting roller 54, a tensioning seat 55, a tensioning roller 56, an annular belt 57 and a tension spring 58, wherein the sheeting roller 53 is rotatably arranged on the swing seat 3, and the sheeting roller 53 is positioned above the winding shaft 23 of the winding station 201 and corresponds to the position of the winding shaft 23; the second swing mechanism 52 is arranged on the swing seat 3, the axis of the swing arm 51 is arranged along the left-right direction, the wrapping roller 54 is rotatably arranged on the swing arm 51, and the axis of the wrapping roller 54 deviates from the axis of the swing arm 51 and is positioned behind the sheeting roller 53; the tensioning seat 55 can be arranged on the swinging seat 3 in a forward and backward translation mode, the tensioning roller 56 can be arranged on the tensioning seat 55 in a rotating mode, and the wrapping roller 54, the tabletting roller 53 and the tensioning roller 56 jointly tension the annular belt 57; one end of an extension spring 58 is connected with the tensioning seat 55, and the other end of the extension spring 58 is connected with the swinging seat 3; the fly cutter 6 is arranged on the swing seat 3 and is positioned behind the film connecting device 5.

In the present embodiment, the first swing mechanism 4 includes a first swing shaft 41 and a first cylinder (not shown in the figure), the first swing shaft 41 is rotatably mounted on the frame 1 and extends left and right, and the front end of the swing seat 3 is fixedly mounted on the first swing shaft 41; the cylinder body of the first cylinder is hinged with the frame 1, and the piston rod of the first cylinder is hinged with the middle part of the swing seat 3.

In this embodiment, the turnover mechanism 22 includes a rotating shaft 221 and a turnover motor, the rotating shaft 221 is rotatably mounted on the frame 1 and is arranged along the left-right direction, the middle portion of the turnover frame 21 is fixedly mounted on the rotating shaft 221, and the two winding shafts 23 are symmetrically distributed on two sides of the rotating shaft 221.

In the present embodiment, the second swing mechanism 52 includes a second swing shaft 521, a swing motor (not shown in the figure) and a reduction gear set (not shown in the figure), the swing motor is mounted on the swing base 3, the second swing shaft 521 is rotatably mounted on the swing base 3 and is arranged in the left-right direction, a first end of the swing arm 51 is connected with the second swing shaft 521, and the wrapping roller 54 is rotatably mounted on a second end of the swing arm 51; the primary gear of the reduction gear set is fixedly mounted on the power output shaft of the swing motor, and the final gear of the reduction gear set is fixedly mounted on the second swing shaft 521.

In the present embodiment, the fly cutter 6 includes a fly cutter 61 and a rodless cylinder 62, the cylinder of the rodless cylinder 62 is mounted on the swing base 3, and the fly cutter 61 is mounted on the slider of the rodless cylinder 62.

The working principle of the fly-cutter type automatic overlap-connection winding device is briefly described as follows:

during work, the winding shaft 23 on the winding station 201 of the double-station winding mechanism 2 is driven by a corresponding winding motor to continuously rotate, the sheet 10 is wound to form a sheet roll, and the sheet 10 passes through the film receiving device 5 and the flying knife cutting device 6 in sequence under the traction of the winding shaft 23 before reaching the double-station unwinding mechanism; when the winding shaft 23 of the winding station 201 works, an operator can mount an overhead paper core on the winding shaft 23 of the unwinding station 202 to prepare for roll change in advance. When the diameter of the sheet roll wound on the winding shaft 23 on the winding station 201 reaches a set value, the winding shaft 23 stops rotating, then the overturning motor of the overturning mechanism 22 drives the rotating shaft 221 to rotate, the overturning frame 21 is driven to overturn for 180 degrees, the winding shaft 23 on the winding station 201 and the winding shaft 23 on the coil discharging station 202 are exchanged in position, then, the air cylinder of the first swing mechanism 4 drives the swing seat 3 and the film connecting device 5 and the fly cutter 6 thereon to swing downwards around the first swing shaft 41, the sheet 10 is pushed by the sheeting roller 53 and the endless belt 57 to move toward the core on the take-up shaft 23 of the take-up station 201, the sheet 10 is pressed against the core by the sheeting roller 53 and the endless belt 57, meanwhile, the slider of the rodless cylinder 62 of the fly cutter cutting device 6 drives the fly cutter 61 to move towards the sheet 10, so that the part of the sheet 10 between the two winding shafts 23 is transversely cut; then, the swing motor of the second swing mechanism 52 drives the second swing shaft 521 to rotate forward through the reduction gear set, so as to drive the swing arm 51 and the wrapping roller 54 to swing downward around the second swing shaft 521, push the transversely cut sheet material 10 to wrap around the surface of the paper core through the endless belt 57 and press the tail end of the sheet material 10 against the surface of the paper core (in the process, the tensioning seat 55 and the tensioning roller 56 have a tendency to move forward under the action of the tension spring 58, and automatically tension the endless belt 57 through the tensioning roller 56), so as to connect the tail end of the transversely cut sheet material 10 to the surface of the paper core (the tail end of the sheet material is generally provided with gummed paper); then, the winding shaft 23 on the winding station 201 and the paper core thereon start to rotate under the drive of the corresponding winding motor, the annular belt 57 runs under the drive of the winding shaft 23, and the sheet 10 is wound on the paper core under the action force of the annular belt 57 in the process, so that the sheet 10 is wound; after the paper core is rolled up to a certain length of sheet material 10, the swing motor of the second swing mechanism 52 drives the second swing shaft 521 to rotate reversely through the reduction gear set, so as to drive the swing arm 51 and the wrapping roller 54 to swing upwards and reset around the second swing shaft 521, and then the air cylinder of the first swing mechanism 4 drives the swing seat 3 and the film connecting device 5 and the fly cutter cutting device 6 thereon to swing upwards and reset around the first swing shaft 41, so that the annular belt 57 is completely separated from the rolling shaft 23 (in the process, the tension seat 55 and the tension roller 56 have the tendency of moving forwards under the action of the tension spring 58, and the annular belt 57 is automatically tensioned through the tension roller 56), and the whole roll changing operation is completed.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A fly-cutter type automatic overlap-connection winding device comprises a frame and a double-station winding mechanism; the double-station winding mechanism comprises a roll-over frame, a turning mechanism capable of driving the roll-over frame to rotate, two winding shafts and two winding motors, wherein the turning mechanism is arranged on the frame, the axis of the roll-over frame is in the left-right direction, the two winding shafts can be detachably arranged on the roll-over frame, the double-station winding mechanism is provided with a winding station and an unwinding station, and the two winding shafts are respectively positioned on the winding station and the unwinding station; two coiling motors and two rolling axle one-to-one, the coiling motor is installed on the roll-over stand, and the power output shaft of coiling motor is connected its characterized in that with corresponding rolling axle transmission: the flying knife type automatic overlap-connection winding device further comprises a swinging seat, a first swinging mechanism capable of driving the swinging seat to swing up and down, a film connecting device and a flying knife cutting device, wherein the first swinging mechanism is mounted on the rack, the axis of the swinging seat is arranged along the left and right direction, the film connecting device comprises a swinging arm, a second swinging mechanism capable of driving the swinging arm to swing up and down, a pressing sheet roller, a sheet wrapping roller, a tensioning seat, a tensioning roller, an annular belt and a tension spring, the pressing sheet roller is rotatably mounted on the swinging seat, and the pressing sheet roller is positioned above the winding shaft of the winding station and corresponds to the position of the winding shaft; the second swing mechanism is arranged on the swing seat, the axis of the swing arm is arranged along the left-right direction, the wrapping roller is rotatably arranged on the swing arm, and the axis of the wrapping roller deviates from the axis of the swing arm and is positioned behind the sheeting roller; the tensioning seat can be horizontally moved back and forth and is arranged on the swinging seat, the tensioning roller can be rotatably arranged on the tensioning seat, and the wrapping roller, the tabletting roller and the tensioning roller together tension the annular belt; one end of the extension spring is connected with the tensioning seat, and the other end of the extension spring is connected with the swinging seat; the fly cutter cutting device is arranged on the swing seat and is positioned behind the film receiving device.

2. The fly-cutter type automatic overlap-connection winding device according to claim 1, characterized in that: the swing seat is provided with a slide rail moving forwards and backwards, and the tensioning seat is installed on the slide rail and is in sliding fit with the slide rail.

3. The fly-cutter type automatic overlap-connection winding device according to claim 1, characterized in that: the first swing mechanism comprises a first swing shaft and a first air cylinder, the first swing shaft is rotatably arranged on the rack and moves left and right, and the front end part of the swing seat is fixedly arranged on the first swing shaft; the cylinder body of the first cylinder is hinged with the rack, and the piston rod of the first cylinder is hinged with the middle part of the swinging seat.

4. The flying knife type automatic docking and winding device according to any one of claims 1 to 3, wherein: the second swinging mechanism comprises a second swinging shaft, a swinging motor and a reduction gear set, the swinging motor is installed on the swinging seat, the second swinging shaft is rotatably installed on the swinging seat and is arranged along the left-right direction, the first end of the swinging arm is connected with the second swinging shaft, and the wrapping roller is rotatably installed on the second end of the swinging arm; the primary gear of the reduction gear set is fixedly arranged on a power output shaft of the swing motor, and the final gear of the reduction gear set is fixedly arranged on the second swing shaft.

5. The flying knife type automatic docking and winding device according to any one of claims 1 to 3, wherein: the turnover mechanism comprises a rotating shaft and a turnover motor, the rotating shaft is rotatably installed on the rack and is arranged along the left and right directions, the middle part of the turnover frame is fixedly installed on the rotating shaft, and the two rolling shafts are symmetrically distributed on two sides of the rotating shaft.

6. The flying knife type automatic docking and winding device according to any one of claims 1 to 3, wherein: the fly cutter cutting device comprises a fly cutter and a rodless cylinder, wherein a cylinder body of the rodless cylinder is arranged on the swing seat, and the fly cutter is arranged on a sliding block of the rodless cylinder.