CN109455563B - Paper tearing device and method - Google Patents
Paper tearing device and method Download PDFInfo
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- CN109455563B CN109455563B CN201811609754.1A CN201811609754A CN109455563B CN 109455563 B CN109455563 B CN 109455563B CN 201811609754 A CN201811609754 A CN 201811609754A CN 109455563 B CN109455563 B CN 109455563B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 127
- 238000007599 discharging Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 26
- 230000009172 bursting Effects 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000004836 Glue Stick Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B5/00—Details of, or auxiliary devices for, ticket-issuing machines
- G07B5/02—Details of, or auxiliary devices for, ticket-issuing machines for cutting-off or separating tickets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/1912—Banknotes, bills and cheques or the like
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The invention discloses a paper tearing device and a paper tearing method, wherein the paper tearing device comprises a frame, a paper feeding roller group, a paper discharging roller group, a power transmission mechanism and a paper ejection piece; a paper passage is arranged in the frame and is provided with a bending section; the paper feeding roller group, the paper bursting part and the paper discharging roller group are sequentially arranged along the paper advancing direction of the paper channel; the paper feeding roller group is movably connected to the frame, and when the paper feeding roller group is driven to act, the paper feeding roller group is used for driving paper to move in the paper channel in the paper advancing direction or the paper retreating direction; the paper outlet roller group is movably connected to the frame, and when the paper outlet roller group is driven to act, the paper outlet roller group is used for driving paper or torn paper outlet paper to move in the paper advancing direction in the paper channel. The invention can well tear continuous paper with the tearing lines, can realize single paper output or multiple paper output, has compact structure and low cost, can accurately break at the corresponding tearing lines of the paper, and is very convenient to use.
Description
Technical Field
The invention relates to a paper tearing device and a paper tearing method, which are suitable for tearing continuous paper with tearing lines.
Background
At present, continuous paper with a tearing line between adjacent paper sheets is widely used, for example, instant lottery (scratch music), the paper of instant lottery (scratch music) is hard paper, and the tearing line between 2 paper sheets, namely, the paper is like a sewing line, is easy to tear along the tearing line after being locally perforated, and the like. The traditional instant lottery ticket vending is manual vending, namely, a plurality of lottery tickets need to be torn off, and in a self-service ticket vending machine, a device is needed to complete the tearing action: because the unattended self-service ticketing at least needs to have the following properties:
1) The very low jam rate, i.e. the lottery papers are not easily jammed inside the machine;
2) The double-feeding can not be performed, namely, one sheet can not be purchased, and 2 sheets can not be output;
3) Due to the continuous ticket, when the tearing or slitting performance is poor, at least a plurality of tickets can not be pulled out by a customer;
there are generally 2 types of lottery tear structures currently in use on the market:
the first is that the tearing line is sent to the edge by using the low strength of the tearing line, then the front paper is folded, so that the front paper is folded from the tearing line, namely the tearing line is clamped on the edge, the rear paper is retreated, the tearing line is broken by the edge, and the front and rear 2 papers are torn;
the second type is that the paper is directly broken by a cutter, namely, the paper enters between 2 groups of rollers, the position with a tearing line is placed below a cutter edge, the cutter is started, and the cutter edge pierces the tearing line, so that 2 paper sheets are separated;
the first method has the advantages of simple structure, low cost and the like, but has the disadvantages that if the aesthetic-pattern adhesive tape is connected between 2 sheets of paper, the paper is not easy to tear off (in a self-service ticket vending machine, often the lottery ticket is not sold out, and then the lottery ticket is added, so that a user can wait, the ticket purchase is very likely to be abandoned, and the new ticket is adhered to the back of the front stack of tickets by using the aesthetic-pattern adhesive tape when the ticket is sold out, so that the uninterrupted ticket purchase experience is realized). Even there is a risk that the glue sticks to the knife edge, affecting the performance. The lottery ticket must be cut off, so that the space of the ticket outlet is required to be larger (at least longer than the length of the lottery ticket), a box for containing the ticket is required, and the lottery ticket is not friendly under the condition of small occupied space in some application occasions;
the second type of structure is complex, at least 2 sets of systems, namely a paper feeding system and a cutter system, are respectively provided with power units, and the paper feeding system can even need 2 sets of power systems (the ticket surface needs to be tightened), so that the cost is high. In addition, the most obvious problem of this structure is that the paper feeding errors are accumulated (errors occur in any paper feeding system, but the errors are not accumulated because the first system uses the weakest tearing line as the bending tearing line, and the notch position of the second structure is completely dependent on the paper feeding precision, and the notch is used as a reference when the second structure is aligned again, so that the errors are inevitably accumulated). The structure is also applied to invoice selling, such as selling value-added tax invoices, and often due to the existence of accumulated errors, a later bill cut deviates from a tearing line greatly, so that the integrity of a bill is damaged, and even the bill cannot be used.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a paper tearing device which can tear continuous paper with tearing lines well, can realize single paper output or multiple paper output, has a compact structure and low cost, can be accurately broken at the corresponding tearing lines of the paper, and is very convenient to use.
In order to solve the technical problems, the technical scheme of the invention is as follows: a paper tearing device is used for tearing continuous paper with a tearing line and comprises a frame, a paper feeding roller group, a paper discharging roller group, a power transmission mechanism and a paper ejection piece; wherein,
a paper channel is arranged in the frame and is provided with a bending section;
the paper feeding roller group, the paper bursting part and the paper discharging roller group are sequentially arranged along the paper advancing direction of the paper channel;
the paper feeding roller group is movably connected to the frame, and when the paper feeding roller group is driven to act, the paper feeding roller group is used for driving paper to move in the paper channel in the paper advancing direction or the paper retreating direction;
the paper outlet roller group is movably connected to the frame, and when the paper outlet roller group is driven to act, the paper outlet roller group is used for driving paper or torn paper outlet paper to move in the paper channel towards the paper advancing direction; when the paper outlet roller group does not act, the paper outlet roller group can be fixed on paper which passes through the bending section in the paper channel and is conveyed to a preset position and is positioned at the paper outlet roller group;
the power transmission mechanism comprises a power source and a transmission mechanism, the power source is respectively connected with the paper feeding roller group and the paper discharging roller group in a transmission way through the transmission mechanism, and under the action of the transmission mechanism, when the power source drives the paper feeding roller group to drive the paper to convey the paper to the paper advancing direction, the paper discharging roller group is driven to act simultaneously; when the power source drives the paper feeding roller group to drive the paper to convey the paper to the paper backward direction, the paper discharging roller group does not act;
the paper ejection piece is arranged on the frame and corresponds to the bending section of the paper channel, the paper ejection piece is used for being fixed at the paper outlet roller set at the front end of paper, and the power source drives the paper inlet roller set to convey the paper to the paper retreating direction so as to lead the paper to be straightened, and the tearing line of the paper is ejected.
Further, in order to control the conveying distance of the paper in combination with the number of the paper required by a customer, the paper tearing device outputs a corresponding number of the paper, and further comprises a paper conveying distance control system, wherein the paper conveying distance control system comprises a controller and a paper position sensing device, the paper position sensing device is used for collecting a paper reference position point signal of the front end of the paper in a paper channel, a signal output end of the paper position sensing device is connected with the controller, the controller is connected with a control driving end of the power source, and the controller is used for controlling the action of the power source according to the paper reference position point signal of the paper position sensing device and the input signal of the number of the required paper; the sheet position sensing device is provided at a position between the sheet feed roller group and the sheet ejection member in the sheet advancing direction.
The paper ejection piece comprises a top wheel shaft connected to the frame and a top wheel sleeved on the top wheel shaft.
Further provided is a specific solution of a paper feed roller group and a paper discharge roller group, wherein the paper feed roller group comprises a main paper feed roller and a secondary paper feed roller which are respectively rotatably supported on a frame, and the main paper feed roller and the secondary paper feed roller are mutually matched and form power for conveying paper; the paper output roller group comprises a main paper output roller and a secondary paper output roller which are respectively rotatably supported on the frame, the main paper output roller and the secondary paper output roller are mutually matched, and power for conveying paper is formed between the main paper output roller and the secondary paper output roller, and the power source is respectively connected with the main paper input roller and the main paper output roller through a transmission mechanism.
Further, in order to increase friction force of the paper feeding roller group on paper, the main paper feeding roller and the auxiliary paper feeding roller can drive the paper to advance or retreat, a paper feeding power transmission pair is arranged between the main paper feeding roller and the auxiliary paper feeding roller, when a power source drives the main paper feeding roller to rotate through a transmission mechanism, the auxiliary paper feeding roller rotates along with the main paper feeding roller under the action of the paper feeding power transmission pair, the rotation directions of the main paper feeding roller and the auxiliary paper feeding roller are opposite, the paper feeding power transmission pair comprises a paper feeding transmission main gear and a paper feeding transmission auxiliary gear which are connected in an meshed mode, the paper feeding transmission main gear is coaxially arranged with the main paper feeding roller, and the paper feeding transmission auxiliary gear is coaxially arranged with the auxiliary paper feeding roller.
Further in order to increase the friction force of paper discharge roller group to paper, make main paper discharge roller and follow paper discharge roller both can drive paper advance or fix paper, main paper discharge roller with from being provided with paper discharge power transmission pair between the paper discharge roller, when the power supply passes through transmission mechanism drive main paper discharge roller rotatory, follow main paper discharge roller rotatory under the effect of paper discharge power transmission pair from the paper discharge roller to main paper discharge roller and follow the opposite direction of rotation of paper discharge roller, paper discharge power transmission pair includes intermeshing's paper discharge transmission master gear and paper discharge transmission slave gear, paper discharge transmission master gear with main paper discharge roller coaxial arrangement, paper discharge transmission slave gear with from paper discharge roller coaxial arrangement.
The utility model provides a power transmission mechanism's concrete scheme, the transmission mechanism is the gear engagement group, the gear engagement group is including setting up the unidirectional power transmission subassembly in the power transmission route between power supply and play paper roll group, when power supply drive paper feed roller group makes paper feed roller group drive paper to the paper forward direction carry paper, unidirectional power transmission subassembly switch-on power transmission between power supply and the play paper roll group, main play paper roll is followed main feed paper roll synchronous rotation, when power supply drive paper feed roller group makes the paper feed roller drive paper to the paper backward direction carry paper, unidirectional power transmission subassembly disconnection power transmission between power supply and the play paper roll group.
Further, the gear engagement group further comprises a main gear, a first auxiliary gear, a paper feeding gear and a paper discharging gear, the power source is connected with the main gear so that the power source drives the main gear to rotate, the main gear is engaged with the first auxiliary gear, the first auxiliary gear is engaged with the paper feeding gear and the paper discharging gear respectively, the paper feeding gear and the main paper feeding roller are coaxially arranged, the unidirectional power transmission assembly is sleeved on a wheel shaft of the main paper discharging roller, and the unidirectional power transmission assembly is embedded in the paper discharging gear.
In order to avoid the phenomenon that the paper outlet roller rotates along with the paper when the power source drives the paper inlet roller group to drive the paper to convey the paper to the paper backward direction and the front part of the paper can be fixed, the paper tearing device further comprises a main paper outlet roller locking mechanism which is connected between the frame and the main paper outlet roller and is used for limiting the main paper outlet roller to rotate when the power source drives the paper inlet roller group to drive the paper to convey the paper to the paper backward direction.
The main paper output roller locking mechanism comprises a locking block and a locking one-way power transmission assembly, wherein the locking one-way power transmission assembly is sleeved on a wheel shaft of the main paper output roller, the locking block is fixedly connected to the frame, and the locking one-way power transmission assembly is embedded in the locking block.
Further for better control paper's transport, tear paper device still includes the automatic conveyor control device of paper feed, the automatic conveyor control device of paper feed includes paper feed sensor and controller, the paper feed sensor sets up the paper feed mouth department at the paper passageway, the signal output part of paper feed sensor links to each other with the controller, the controller with the control drive end of power supply links to each other, the controller is used for controlling the action of power supply according to the paper feed signal control power supply of paper feed sensor feedback, the drive paper feed roller group drives the paper and moves to the paper advancing direction in the paper passageway.
The invention also provides a paper tearing method for tearing continuous paper with a tearing line, comprising the following steps:
the paper conveying device comprises a paper channel used for conveying paper and provided with a bending section, wherein the bending section of the paper channel is correspondingly provided with a paper pushing-open piece, when the paper passes through the bending section in the paper channel and is conveyed to a preset position, the front end of the paper is fixed, then the paper is conveyed to the paper retreating direction, and the tearing line of the paper is pushed open through the paper pushing-open piece in the paper straightening process.
Further, the paper tearing method is realized based on the paper tearing device provided with the paper conveying distance control system, the number of required paper is set to be n, the length of single paper is set to be x, the distance between a paper reference position point (a position sensor) and the center of a paper bursting piece corresponding to the paper advancing direction is set to be y, the paper moves to a position corresponding to the paper position sensing device in a paper channel, the paper reference position point of the front end of the paper in the paper channel is collected through the paper position sensing device, then the paper is driven to continuously move in the paper advancing direction (nx+y) in the paper channel, and at the moment, the paper is conveyed to a preset position after passing through a bending section in the paper channel.
Further, after the paper is pushed open by the tear line, a paper-out paper located in front and a paper-back paper located in back are formed, and the paper-back paper continues to move in the paper-back direction until being located behind the position corresponding to the paper position sensing device on the paper channel.
Further, the paper discharge sheet continues to move in the sheet advancing direction until it is separated from the paper discharge roller group.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the controller controls the power source, the paper is conveyed to the paper advancing direction along the paper passage through the paper feeding roller group, when the paper is conveyed to the paper advancing direction, the paper is conveyed to the paper advancing direction at the moment, when the paper passes through the bending section in the paper passage and is conveyed to a preset position, the power source stops acting, then the power source drives the paper feeding roller group to convey the paper to the paper retreating direction, at the moment, the unidirectional power transmission component cuts off the power transmission between the power source and the main paper feeding roller, the paper feeding gear is in a slipping state, the locking unidirectional power transmission component is in a locking state, the main paper feeding roller and the auxiliary paper feeding roller are not rotated, the paper is fixed, the paper is stretched in the paper retreating direction moving process, and the tearing line of the paper is propped against the paper propping opening piece corresponding to the bending part of the paper passage, so that the tearing of the paper is realized. In addition, the invention can realize single paper output and multi-paper output.
2. The width of the top wheel is narrower, the tearing line of the paper is propped against the top wheel, and under the action of concentrated stress, the local part of the tearing line at the top wheel is propped up, so that the tearing difficulty is reduced; the contact surface of the top wheel and the paper is an arc surface, so that the opening is bigger and then is completely disconnected, and the tearing effect is good; because the top wheel is round, the paper tearing line can tear paper only by being close to the position of the top wheel, and the requirement of the paper conveying distance control system on the paper conveying precision can be reduced; if someone tears the paper which is sent out first, the pressure of the paper propping against the top wheel is increased, the paper tearing is quickened, and the paper which is not sent out is prevented from being pulled out;
3. the ticket can be completely sent out, or the ticket can be torn off and left in the mechanism, so that a customer can pull out, which cannot be realized by the traditional second mode;
4. the user cannot draw out a plurality of sheets when the sheets are not completely broken, for example, if the user pulls a ticket when the sheets are partially taken out, the sheets are torn (the process of tearing the ticket is equivalent to pulling and tearing the ticket in front, and the tearing is not driven by a power source), so that the plurality of sheets cannot be pulled out.
Drawings
FIG. 1 is a schematic view of a paper tearing apparatus according to the present invention;
FIG. 2 is a perspective view of the paper tearing apparatus of the present invention;
fig. 3 is a perspective view of the power transmission mechanism of the present invention;
fig. 4 is an assembled exploded view of the main discharge roller and its peripheral components of the present invention.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
In the first embodiment, as shown in fig. 1 to 4, a paper tearing device is used for tearing continuous paper with a tearing line and comprises a frame, a paper feeding roller group, a paper discharging roller group, a power transmission mechanism and a paper ejection piece; wherein,
a paper channel is arranged in the frame and is provided with a bending section;
the paper feeding roller group, the paper bursting part and the paper discharging roller group are sequentially arranged along the paper advancing direction of the paper channel;
the paper feeding roller group is movably connected to the frame, and when the paper feeding roller group is driven to act, the paper feeding roller group is used for driving paper to move in the paper channel in the paper advancing direction or the paper retreating direction;
the paper outlet roller group is movably connected to the frame, and when the paper outlet roller group is driven to act, the paper outlet roller group is used for driving paper or torn paper outlet paper to move in the paper channel towards the paper advancing direction; when the paper outlet roller group does not act, the paper outlet roller group can be fixed on paper which passes through the bending section in the paper channel and is conveyed to a preset position and is positioned at the paper outlet roller group;
the power transmission mechanism comprises a power source 10 and a transmission mechanism, wherein the power source 10 is respectively in transmission connection with the paper feeding roller group and the paper discharging roller group through the transmission mechanism, and under the action of the transmission mechanism, when the power source 10 drives the paper feeding roller group to drive the paper feeding roller group to convey paper to the paper advancing direction, the paper discharging roller group is simultaneously driven to act and convey paper to the paper advancing direction together with the paper feeding roller group; when the power source 10 drives the paper feeding roller group to drive the paper to convey the paper to the paper backward direction, the paper discharging roller group does not act, the paper reaching the paper discharging roller group is fixed, the paper is tensioned by the cooperation of the paper discharging roller group and the paper feeding roller group, and in the embodiment, the power source 10 can be a motor;
the paper ejection piece is arranged on the frame and corresponds to the bending section of the paper channel, the paper ejection piece is used for being fixed at the paper outlet roller set at the front end of paper, and the power source 10 drives the paper inlet roller set to convey the paper to the paper retreating direction so as to lead the paper to be straightened, and the tearing line of the paper is ejected. Because the paper path is curved, the paper will bear against the paper ejector as the paper is straightened, tearing the paper along the corresponding tear line; the torn paper forms a paper outlet paper positioned at the front and a paper rear positioned at the rear.
As shown in fig. 1 and 2, the paper tearing device further comprises a paper conveying distance control system, the paper conveying distance control system comprises a controller and a paper position sensing device 20, the paper position sensing device 20 is used for collecting a paper reference position point signal of the front end of paper in a paper channel, a signal output end of the paper position sensing device 20 is connected with the controller, the controller is connected with a control driving end of the power source 10, and the controller is used for controlling the action of the power source 10 according to the paper reference position point signal of the paper position sensing device 20 and an input signal of the number of required paper, so that the paper is conveyed to a preset distance in the paper advancing direction and reaches a preset position, and a corresponding tearing line of the paper is positioned at the position of the paper ejecting part at the moment; the controller can also control the power source 10 according to the requirement, so that the power source 10 drives the paper outlet roller group to convey the paper outlet paper formed after tearing to the paper advancing direction to be separated from the paper outlet roller group, and the conveying distance is a distance z between the paper outlet roller group and the center of the paper bursting piece, which corresponds to the paper advancing direction; then, the power source 10 is controlled to act reversely, so that the power source 10 drives the paper feeding roller group to convey the rear paper formed after tearing to the rear of the position corresponding to the paper position sensing device 20, and the paper position sensing device 20 is arranged at the position between the paper feeding roller group and the paper ejecting part in the paper advancing direction; in the present embodiment, the paper position sensing device 20 is a paper position sensor.
As shown in fig. 1 and 2, the paper ejection member includes a top wheel shaft 31 connected to the frame and a top wheel 32 sleeved on the top wheel shaft 31, and the tear line of the paper is ejected on the top wheel 32 due to the narrower width of the top wheel 32, and under the action of concentrated stress, the tear line is partially ejected, and the contact surface of the top wheel 32 and the paper is an arc surface, so that the opening is bigger and then is completely broken; in the present embodiment, the top wheel is not limited to the ring-shaped wheel, but may be a bump, a bump mechanism, or the like.
As shown in fig. 1 to 3, the paper feeding roller group comprises a main paper feeding roller 41 and a secondary paper feeding roller 42 which are respectively rotatably supported on the frame, wherein the main paper feeding roller 41 and the secondary paper feeding roller 42 are mutually matched and form power for conveying paper therebetween; the paper discharge roller group comprises a main paper discharge roller 51 and a sub paper discharge roller 52 which are respectively rotatably supported on the frame, the main paper discharge roller 51 and the sub paper discharge roller 52 are mutually matched, and power for conveying paper is formed between the main paper discharge roller 51 and the sub paper discharge roller 52, and the power source 10 is respectively connected with the main paper feed roller 41 and the main paper discharge roller 51 through a transmission mechanism.
As shown in fig. 3, a paper feeding power transmission pair may be disposed between the main paper feeding roller 41 and the auxiliary paper feeding roller 42, when the power source 10 drives the main paper feeding roller 41 to rotate through the transmission mechanism, the auxiliary paper feeding roller 42 follows the main paper feeding roller 41 to rotate under the action of the paper feeding power transmission pair, and the rotation directions of the main paper feeding roller 41 and the auxiliary paper feeding roller 42 are opposite, so as to increase the friction force of the paper feeding roller group to the paper, and enable the main paper feeding roller 41 and the auxiliary paper feeding roller 42 to drive the paper to advance or retreat, thereby avoiding the paper from slipping, the paper feeding power transmission pair comprises a paper feeding transmission main gear 61 and a paper feeding transmission auxiliary gear 62 which are connected in an intermeshing manner, the paper feeding transmission main gear 61 is coaxially installed with the main paper feeding roller 41, and the paper feeding transmission auxiliary gear 62 is coaxially installed with the auxiliary paper feeding roller 42; in this embodiment, this portion mainly increases the friction force of the paper, so that the paper is safely and reliably pulled away, but it is also possible that there is no paper feeding power transmission pair, only half the friction force is provided, and half the friction force is enough to pull away the paper in many cases, so that the connection of the paper feeding power transmission pair to the forced drive is not necessary, but the performance is greatly improved.
As shown in fig. 3, a paper-discharging power transmission pair may be disposed between the main paper-discharging roller 51 and the auxiliary paper-discharging roller 52, when the power source 10 drives the main paper-discharging roller 51 to rotate through the transmission mechanism, the auxiliary paper-discharging roller 52 rotates along with the main paper-discharging roller 51 under the action of the paper-discharging power transmission pair, and the rotation directions of the main paper-discharging roller 51 and the auxiliary paper-discharging roller 52 are opposite, so as to increase the friction force of the paper-discharging roller group to the paper, so that the main paper-discharging roller 51 and the auxiliary paper-discharging roller 52 can both drive the paper to advance or fix the paper to avoid slipping; the paper outlet power transmission pair comprises a paper outlet transmission main gear 71 and a paper outlet transmission auxiliary gear 72 which are connected in a meshed manner, wherein the paper outlet transmission main gear 71 is coaxially arranged with the main paper outlet roller 51, and the paper outlet transmission auxiliary gear 72 is coaxially arranged with the auxiliary paper outlet roller 52; in this embodiment, this portion mainly increases the friction force of the paper, so that the paper is safely and reliably pulled away, but it is also possible that there is no paper-discharging power transmission pair, only half the friction force is provided, and half the friction force is enough to pull away the paper in many cases, so that the connection and forced driving of the paper-discharging power transmission pair are not necessary, but the performance is greatly improved.
As shown in fig. 3 and 4, the transmission mechanism is a gear engagement set, the gear engagement set includes a unidirectional power transmission assembly 80 disposed in a power transmission path between the power source 10 and the paper output roller set, when the power source 10 drives the paper input roller set to drive the paper input roller set to convey the paper in the paper forward direction, the unidirectional power transmission assembly 80 switches on the power transmission between the power source 10 and the paper output roller set, the main paper output roller 51 rotates synchronously with the main paper input roller 41, and when the power source 10 drives the paper input roller set to drive the paper input roller set to convey the paper in the paper backward direction, the unidirectional power transmission assembly 80 switches off the power transmission between the power source 10 and the paper output roller set.
As shown in fig. 3 and 4, the gear engagement set further includes a main gear 91, a first slave gear 92, a paper feeding gear 93 and a paper discharging gear 94, the power source 10 is connected with the main gear 91, so that the power source 10 drives the main gear 91 to rotate, the main gear 91 is engaged with the first slave gear 92, the first slave gear 92 is engaged with the paper feeding gear 93 and the paper discharging gear 94 respectively, the paper feeding gear 93 and the main paper feeding roller 41 are coaxially installed, the unidirectional power transmission assembly 80 is sleeved on a wheel shaft of the main paper discharging roller 51, and the unidirectional power transmission assembly 80 is embedded in the paper discharging gear 94; in the present embodiment, the unidirectional power transmission assembly 80 may adopt a principle structure such as a unidirectional clutch, a ratchet structure, an electromagnetic clutch, etc.
As shown in fig. 3 and 4, the paper feeding device further comprises a main paper discharging roller locking mechanism which is connected between the frame and the main paper discharging roller 51 and used for limiting the rotation of the main paper discharging roller 51 when the power source 10 drives the paper feeding roller group to drive the paper feeding roller to convey the paper to the paper backward direction.
As shown in fig. 3 and 4, the main paper output roller locking mechanism comprises a locking block 100 and a locking unidirectional power transmission assembly 110, wherein the locking unidirectional power transmission assembly 110 is sleeved on a wheel shaft of the main paper output roller 51, the locking block 100 is fixedly connected to a frame, and the locking unidirectional power transmission assembly 110 is embedded in the locking block 100; in this embodiment, the locking unidirectional power transmission assembly 110 may adopt a principle structure such as a unidirectional clutch, a ratchet structure, an electromagnetic clutch, etc.; specifically, when the power source 10 rotates positively, the power source 10 drives the main gear 91 to rotate, the main gear 91 then drives the first auxiliary gear 92 to rotate, the first auxiliary gear 92 then drives the paper feeding and dividing gear 93 to rotate, the paper feeding and dividing gear 93 drives the main paper feeding roller 41 to rotate, the main paper feeding roller 41 then drives the auxiliary paper feeding roller 42 to rotate through the paper feeding power transmission pair, so that the paper feeding roller group drives paper to convey paper in the paper advancing direction, the first auxiliary gear 92 also drives the paper discharging and dividing gear 94 to rotate, at the moment, because the unidirectional power transmission assembly 80 is in a locking state, the power transmission between the power source 10 and the main paper discharging roller 51 is switched on, the locking unidirectional power transmission assembly 110 is in a disconnection state, the paper discharging and dividing gear 94 drives the main paper discharging roller 51 to rotate, and the main paper discharging roller 51 drives the auxiliary paper discharging roller 42 to rotate through the paper discharging power transmission pair, and the paper discharging roller group also conveys paper in the paper advancing direction; when the preset conveying position is reached, the power source 10 is reversed, the unidirectional power transmission assembly 80 cuts off the power transmission between the power source 10 and the main paper outlet roller 51, the paper outlet gear 94 is in a slipping state, the locking unidirectional power transmission assembly 110 is in a locking state, and the paper outlet roller group cannot rotate and fix the paper under the action of the locking unidirectional power transmission assembly 110, so that the paper is straightened.
As shown in fig. 1 to 3, the automatic paper feeding and conveying control device further comprises a paper feeding sensor 120 and a controller, wherein the paper feeding sensor 120 is arranged at a paper feeding port of a paper channel, a signal output end of the paper feeding sensor 120 is connected with the controller, the controller is connected with a control driving end of the power source 10, and the controller is used for controlling the action of the power source 10 according to a paper feeding signal fed back by the paper feeding sensor 120, and driving the paper feeding roller group to drive paper to move in the paper channel in a paper advancing direction; when paper is placed at the paper inlet of the paper channel, the paper feeding sensor 120 detects the paper, the driving source rotates, and the paper enters the paper feeding roller group; in this embodiment, the controller is a prior art, and is mainly used for driving the motor (power source) to rotate in the opposite directions according to the response command, similar to the motor driving motherboard.
Specifically, the work flow of the paper tearing device is as follows:
1) Paper is put in, the paper feeding sensor 120 detects the paper, the motor rotates, and the paper enters the paper feeding roller group;
2) The paper reaches the paper position sensor, and the motor drives the main board to determine a paper reference position point;
3) The paper takes the paper reference position point as the starting point, and continues to feed the length of x+y (x is the length of the lottery ticket, and the length is nx if the customer needs to send out a plurality of coupons), and the main paper output roller 51 rotates synchronously with the main paper input roller 41 during the paper feeding process;
4) The motor is stopped and then reversed, and the paper is stretched because the main paper discharge roller 51 is locked by the one-way power transmission assembly 80;
5) Because the paper channel is provided with a bending section, the paper is straightened in the tightening process, the tearing line is propped against the top wheel, and because the top wheel is a narrower wheel, the local tearing line is propped up under the concentrated stress;
6) The motor continues to rotate reversely, the tearing line is partially jacked up, the contact surface of the top wheel is an arc surface, the partial tearing opening is larger and larger, and finally the tearing line is completely disconnected;
7) The motor continues to rotate reversely, the rear paper leaves from the paper position sensor, and the motor stops;
8) When the user needs the paper to be completely output, the paper is discharged: the driving motor rotates positively, the main paper output roller 51 rotates positively, the paper feeding distance is Z, the front sheet is completely sent out, then the motor rotates reversely, and the rear sheet returns to the position of the paper position sensor; when the user does not need to drop the paper, the user hopes to pull out the paper by himself: the system does not perform any treatment, and the user withdraws the paper;
9) The next ticket is taken;
in a second embodiment, a paper tearing method for tearing continuous paper with a tear line, the method includes:
the paper conveying device comprises a paper channel used for conveying paper and provided with a bending section, wherein the bending section of the paper channel is correspondingly provided with a paper pushing-open piece, when the paper passes through the bending section in the paper channel and is conveyed to a preset position, the front end of the paper is fixed, then the paper is conveyed to the paper retreating direction, and the tearing line of the paper is pushed open through the paper pushing-open piece in the paper straightening process.
The paper tearing method is realized based on the paper tearing device provided with the paper conveying distance control system in the first embodiment, the number of required paper is set to be n, the length of each piece of paper is set to be x, the distance between the paper reference position point and the center of the paper bursting piece corresponding to the paper advancing direction is set to be y, the paper moves to the position corresponding to the paper position sensing device 20 in the paper channel, the paper reference position point of the front end of the paper in the paper channel is collected by the paper position sensing device 20, then the paper is driven to continuously move nx+y in the paper advancing direction in the paper channel, at the moment, the paper is conveyed to a preset position after passing through a bending section in the paper channel, at the moment, the front end of the paper is fixed, then the paper is conveyed in the paper retreating direction, after the paper is ejected by the paper ejecting piece, the paper outputting paper positioned in front and the rear paper positioned behind the paper ejecting tearing line are formed, the rear paper outputting paper continuously moves to the paper retreating direction until the paper outputting paper is continuously separated from the paper outputting roller group until the paper outputting paper is continuously in the paper retreating direction.
The technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.
Claims (7)
1. The paper tearing device is used for tearing continuous paper with a tearing line and is characterized by comprising a frame, a paper feeding roller group, a paper discharging roller group, a power transmission mechanism and a paper ejection piece; wherein,
a paper channel is arranged in the frame and is provided with a bending section;
the paper feeding roller group, the paper bursting part and the paper discharging roller group are sequentially arranged along the paper advancing direction of the paper channel;
the paper feeding roller group is movably connected to the frame, and when the paper feeding roller group is driven to act, the paper feeding roller group is used for driving paper to move in the paper channel in the paper advancing direction or the paper retreating direction;
the paper outlet roller group is movably connected to the frame, and when the paper outlet roller group is driven to act, the paper outlet roller group is used for driving paper or torn paper outlet paper to move in the paper channel towards the paper advancing direction; when the paper outlet roller group does not act, the paper outlet roller group can be fixed on paper which passes through the bending section in the paper channel and is conveyed to a preset position and is positioned at the paper outlet roller group;
the power transmission mechanism comprises a power source (10) and a transmission mechanism, the power source (10) is respectively connected with the paper feeding roller group and the paper discharging roller group in a transmission way through the transmission mechanism, and under the action of the transmission mechanism, when the power source (10) drives the paper feeding roller group to drive the paper to convey the paper to the paper advancing direction, the paper discharging roller group is driven to act simultaneously; when the power source (10) drives the paper feeding roller group to drive the paper to convey the paper to the paper retreating direction, the paper discharging roller group does not act;
the paper ejection piece is arranged on the frame and corresponds to the bending section of the paper channel, the paper ejection piece is used for being fixed at the paper outlet roller group at the front end of paper, and the power source (10) drives the paper inlet roller group to convey the paper to the paper retreating direction so as to lead the paper to be straightened, and the tearing line of the paper is ejected;
the paper conveying distance control system comprises a controller and a paper position sensing device (20), wherein the paper position sensing device (20) is used for collecting paper reference position point signals of the front end of paper in a paper channel, the signal output end of the paper position sensing device (20) is connected with the controller, the controller is connected with the control driving end of the power source (10), and the controller is used for controlling the action of the power source (10) according to the paper reference position point signals of the paper position sensing device (20) and the input required paper quantity signals; the paper position sensing device (20) is arranged at a position between the paper feeding roller group and the paper ejecting part in the paper advancing direction;
the paper ejection piece comprises a top wheel shaft (31) connected to the frame and a top wheel (32) sleeved on the top wheel shaft (31);
the paper feeding roller group comprises a main paper feeding roller (41) and a secondary paper feeding roller (42) which are respectively rotatably supported on the frame, wherein the main paper feeding roller (41) and the secondary paper feeding roller (42) are matched with each other, and power for conveying paper is formed between the main paper feeding roller and the secondary paper feeding roller; the paper outlet roller group comprises a main paper outlet roller (51) and a secondary paper outlet roller (52) which are respectively rotatably supported on the frame, the main paper outlet roller (51) and the secondary paper outlet roller (52) are mutually matched, power for conveying paper is formed between the main paper outlet roller and the secondary paper outlet roller, and the power source (10) is respectively connected with the main paper inlet roller (41) and the main paper outlet roller (51) through a transmission mechanism;
the transmission mechanism is a gear engagement group, the gear engagement group comprises a unidirectional power transmission component (80) arranged in a power transmission path between the power source (10) and the paper outlet roller group, when the power source (10) drives the paper inlet roller group to drive paper to convey the paper in the paper advancing direction, the unidirectional power transmission component (80) is connected with the power transmission between the power source (10) and the paper outlet roller group, the main paper outlet roller (51) synchronously rotates along with the main paper inlet roller (41), and when the power source (10) drives the paper inlet roller group to drive the paper to convey the paper in the paper retreating direction, the unidirectional power transmission component (80) is disconnected with the power transmission between the power source (10) and the paper outlet roller group;
the paper feeding device also comprises a main paper discharging roller locking mechanism which is connected between the frame and the main paper discharging roller (51) and used for limiting the main paper discharging roller (51) to rotate when the power source (10) drives the paper feeding roller group to enable the paper feeding roller to drive the paper to convey the paper to the paper backward direction.
2. The paper tearing apparatus of claim 1, wherein: the automatic paper feeding device is characterized in that a paper feeding power transmission pair is arranged between the main paper feeding roller (41) and the auxiliary paper feeding roller (42), when the power source (10) drives the main paper feeding roller (41) to rotate through a transmission mechanism, the auxiliary paper feeding roller (42) rotates along with the main paper feeding roller (41) under the action of the paper feeding power transmission pair, the rotation directions of the main paper feeding roller (41) and the auxiliary paper feeding roller (42) are opposite, the paper feeding power transmission pair comprises a paper feeding transmission main gear (61) and a paper feeding transmission auxiliary gear (62) which are connected in a meshed mode, the paper feeding transmission main gear (61) and the main paper feeding roller (41) are coaxially installed, and the paper feeding transmission auxiliary gear (62) and the auxiliary paper feeding roller (42) are coaxially installed.
3. The paper tearing apparatus of claim 1, wherein: the paper discharging device is characterized in that a paper discharging power transmission pair is arranged between the main paper discharging roller (51) and the auxiliary paper discharging roller (52), when the power source (10) drives the main paper discharging roller (51) to rotate through a transmission mechanism, the auxiliary paper discharging roller (52) rotates along with the main paper discharging roller (51) under the action of the paper discharging power transmission pair, the rotating directions of the main paper discharging roller (51) and the auxiliary paper discharging roller (52) are opposite, the paper discharging power transmission pair comprises a paper discharging transmission main gear (71) and a paper discharging transmission auxiliary gear (72) which are connected in a meshed mode, the paper discharging transmission main gear (71) and the main paper discharging roller (51) are coaxially installed, and the paper discharging transmission auxiliary gear (72) and the auxiliary paper discharging roller (52) are coaxially installed.
4. The paper tearing apparatus of claim 1, wherein: the gear meshing group further comprises a main gear (91), a first auxiliary gear (92), a paper feeding gear (93) and a paper discharging gear (94), the power source (10) is connected with the main gear (91), so that the power source (10) drives the main gear (91) to rotate, the main gear (91) is meshed with the first auxiliary gear (92), the first auxiliary gear (92) is meshed with the paper feeding gear (93) and the paper discharging gear (94) respectively, the paper feeding gear (93) and the main paper feeding roller (41) are coaxially mounted, the unidirectional power transmission assembly (80) is sleeved on a wheel shaft of the main paper discharging roller (51), and the unidirectional power transmission assembly (80) is embedded in the paper discharging gear (94).
5. The paper tearing apparatus of claim 1, wherein: the main paper outlet roller locking mechanism comprises a locking block (100) and a locking one-way power transmission assembly (110), the locking one-way power transmission assembly (110) is sleeved on a wheel shaft of the main paper outlet roller (51), the locking block (100) is fixedly connected to the frame, and the locking one-way power transmission assembly (110) is embedded in the locking block (100).
6. The paper tearing apparatus of claim 1, wherein: the automatic paper feeding conveying control device comprises a paper feeding sensor (120) and a controller, the paper feeding sensor (120) is arranged at a paper feeding port of a paper channel, a signal output end of the paper feeding sensor (120) is connected with the controller, the controller is connected with a control driving end of the power source (10), and the controller is used for controlling the motion of the power source (10) according to a paper feeding signal fed back by the paper feeding sensor (120) to drive the paper feeding roller group to drive paper to move in the paper channel towards the paper advancing direction.
7. A method of tearing a sheet of paper, the method being for tearing a continuous sheet of paper having a tear line, the method comprising the steps of:
a paper channel for conveying paper and having a bending section is arranged, a paper pushing-out piece is correspondingly arranged at the bending section of the paper channel, when the paper passes through the bending section in the paper channel and is conveyed to a preset position, the front end of the paper is fixed, then the paper is conveyed in the paper retreating direction, and the tearing line of the paper is pushed out by the paper pushing-out piece in the paper straightening process;
the paper tearing device is realized based on the paper tearing device according to any one of claims 1 to 6, the number of required paper is set to be n, the length of each piece of paper is set to be x, the distance between a paper reference position point and the center of a paper bursting piece, which corresponds to the paper advancing direction, is set to be y, the paper moves to a position corresponding to a paper position sensing device (20) in a paper channel, the paper reference position point of the front end of the paper in the paper channel is collected through the paper position sensing device (20), and then the paper is driven to continuously move nx+y in the paper advancing direction in the paper channel, and at the moment, the paper is conveyed to a preset position after passing through a bending section in the paper channel;
after the paper is jacked up by the tearing line, forming a paper outlet paper positioned in front and a rear paper positioned behind, and continuing to move the rear paper in the paper retreating direction until the rear paper is positioned behind a position corresponding to a paper position sensing device (20) on the paper channel;
the paper discharge sheet continues to move in the sheet advancing direction until it is separated from the paper discharge roller group.
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| CN110276879B (en) * | 2019-07-04 | 2024-08-09 | 广东彩惠智能科技有限公司 | Anti-drag instant lottery ticket dispenser |
| CN112641361A (en) * | 2020-12-22 | 2021-04-13 | 德奥通用航空股份有限公司 | Multifunctional paper delivery device |
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