CN106725044B - Paper cutting mechanism of intelligent towel paper towel machine - Google Patents
Paper cutting mechanism of intelligent towel paper towel machine Download PDFInfo
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- CN106725044B CN106725044B CN201710034923.2A CN201710034923A CN106725044B CN 106725044 B CN106725044 B CN 106725044B CN 201710034923 A CN201710034923 A CN 201710034923A CN 106725044 B CN106725044 B CN 106725044B
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- groove
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
- A47K10/3606—The cutting devices being motor driven
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Abstract
The invention relates to a paper cutting mechanism of an intelligent towel paper towel machine, which comprises a driving mechanism, a push plate, a movable cutter holder, a movable cutter and a stationary cutter, wherein the driving mechanism comprises a driving motor, a motor gear, a cam gear and a push plate bracket, the driving motor is in transmission connection with the motor gear, the motor gear is in transmission connection with the cam gear, the motor gear and the cam gear are both horizontally arranged, a guide shaft is arranged at the central position of the upper surface of the cam gear, and a cam is arranged at the eccentric position of the upper surface of the cam gear. The swing mechanism formed by the cam and the push plate bracket is adopted to drive the movable cutter bracket, the driving motor rotates only in one direction, the operation is stable, and the noise is low; by adopting the improved double-moving knife structure, the cut between the moving knife and the static knife is linear, the cutting is stable, and the knife is not easy to clamp.
Description
Technical Field
The invention relates to a paper cutting mechanism of an intelligent towel and tissue machine.
Background
The traditional tissue box is a hand-pulling paper tape type box body which is internally provided with a paper rolling shaft and is provided with a paper outlet at the front end, when the paper is taken, a user needs to pull out the paper with hands and tear the tissue, and the tissue box is troublesome to use and is not sanitary. In order to overcome the disadvantages of the conventional tissue box, an intelligent towel dispenser is available in the market, which can automatically feed, cut and discharge tissues or towels, and is also called an intelligent tissue dispenser.
Chinese patent CN 102429606A discloses an intelligent paper towel dispenser, which comprises a housing, a paper feeding mechanism, a paper cutting mechanism located below the paper feeding mechanism, and a control circuit, wherein the paper feeding mechanism comprises a transmission shaft and a driven shaft closely fitted with the side surface of the transmission shaft, the transmission shaft is driven by a paper discharging motor, and the transmission shaft and the driven shaft are transversely fixed at two ends respectively through tension springs; the paper cutting mechanism comprises a movable cutter, a stationary cutter, a cutter frame and a driving shaft, wherein the movable cutter is arranged above the cutter frame, a plurality of spring holes are longitudinally formed in the front end of the cutter frame, springs are arranged in the spring holes and matched with the front end of the movable cutter, and the rear end of the movable cutter is fixed on the cutter frame; the rear end of the knife rest is fixedly connected with more than one rack, a gear matched with the rack is arranged on the driving shaft, and the driving shaft is driven by the moving knife driving motor. The intelligent paper towel dispenser can automatically feed and cut paper, avoids direct contact of hands with paper towels, is convenient and sanitary to use, and avoids cross infection.
Chinese patent CN 104545644A discloses an intelligent paper handkerchief machine, including frame, core, control circuit, the core is installed in the frame, the core includes paper feeding mechanism and the cutting mechanism who is located paper feeding mechanism below, paper feeding mechanism including the first paper feeding mechanism and the second paper feeding mechanism of the motor of form advancing and parallel arrangement, first paper feeding mechanism includes first transmission shaft and hugs closely the first driven shaft of complex with the transmission shaft, second paper feeding mechanism includes the second transmission shaft and hugs closely the second driven shaft of complex with the transmission shaft, first transmission shaft sets up from top to bottom with first driven shaft, second transmission shaft sets up from top to bottom with the second driven shaft, first transmission shaft and first driven shaft both ends are installed on the mount, second transmission shaft and second driven shaft both ends are installed on the mount. This patent adopts the double acting sword structure, both can strengthen the intensity that moves the sword cutting edge, prevents to cause because of the overlength and moves the deformation of sword cutting edge, also can increase the degree of engagement of moving sword and quiet sword.
Chinese patent CN105996880A discloses a towel cutting mechanism, which comprises a knife rest, a movable knife and a stationary knife, wherein the movable knife comprises a first movable knife and a second movable knife symmetrically arranged above the left and right sides of the knife rest; the first movable knife and the second movable knife comprise bottom plates and side plates, the bottom plates and the side plates are perpendicular to each other, the rear ends of the bottom plates are hinged to the knife rest, the front ends of the bottom plates are fixed to the side plates, springs are arranged between the bottom plates and the knife rest, the top surfaces of the side plates of the first movable knife incline upwards from the left side to the center, and the top surfaces of the side plates of the second movable knife incline upwards from the right side to the center; this patent adopts two to move the sword, and the cutting face of moving sword curb plate top surface forms ascending inclination from outside to central authorities, and when two move the sword and the quiet sword articulates, moves the sword cutting edge and can very stably form the hinge from the minimum to the peak of oblique blade in proper order, forms the most stable cutting effect.
The existing paper cutting mechanism of the intelligent towel machine has the defects that:
1. the movable knife bracket of the prior towel machine is driven by combining a motor with a linear rack, the motor runs for a period, needs to rotate forwards and backwards, and has unstable running and larger noise;
2. the cut between the movable knife and the static knife in the traditional paper cutting mechanism is arc-shaped, so that the cutting is unstable and the knife is easy to clamp.
Disclosure of Invention
The invention aims to provide a paper cutting mechanism of an intelligent towel and towel machine, which has the advantages of stable operation, low noise and stable cutting, aiming at the defects in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a paper cutting mechanism of an intelligent towel paper machine, which comprises a driving mechanism, a push plate, a movable cutter holder, a movable cutter and a static cutter, wherein the driving mechanism comprises a driving motor, a motor gear, a cam gear and a push plate bracket; the lower surface of the push plate bracket is provided with a groove, the left end and the right end of the groove are straight lines, the front end and the rear end of the groove are arc lines, the cam is positioned in the groove and forms a cam rotating mechanism with the groove, the center of the groove is provided with a guide groove in the front-rear direction, and the guide shaft is arranged on the guide groove; the left end and the right end of the push plate bracket are arranged on the rack through slide blocks;
the push plate and the push plate support are fixedly connected, the push plate and the movable knife support are fixedly connected, the movable knife is arranged on the movable knife support, and the movable knife and the static knife form shearing cooperation.
Preferably, the circle center of the left half arc line at the front end of the groove is different from the center of the groove, and the circle center of the right half arc line is the same as the center of the groove; the circle center of the left half arc line at the rear end of the groove is positioned at the same side with the center of the groove, and the circle center of the right half arc line is positioned at the different side with the center of the groove. By the arrangement, the interaction between the cam and the groove is the smoothest, and the noise is low.
Preferably, the movable knife comprises a left movable knife and a right movable knife, the left movable knife and the right movable knife are respectively arranged on the left side and the right side of the movable knife bracket, the left movable knife and the right movable knife are oppositely arranged to form a certain included angle, the movable knife is provided with a plurality of spring sleeves, and springs are arranged between the spring sleeves and the movable knife bracket; the static knife comprises overlapping parts positioned at the left end and the right end and a cutting part positioned in the middle, wherein the lower surface of the overlapping part at the left end and the upper surface of the left end of the left moving knife form sliding fit, the lower surface of the overlapping part at the right end and the upper surface of the right end of the right moving knife form sliding fit, and the cutting part is a straight line segment.
Preferably, the paper cutting mechanism further comprises a movable blade sensing device, the movable blade sensing device comprises a groove-shaped photoelectric switch and a blocking piece, the blocking piece is fixed on the push plate, the groove-shaped photoelectric switch is fixed on the rack, and the blocking piece is located between an infrared transmitting tube and an infrared receiving tube of the groove-shaped photoelectric switch.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
1. a swing mechanism consisting of a cam and a push plate bracket is adopted to drive the movable cutter bracket, and a driving motor rotates only in one direction, so that the operation is stable and the noise is low;
2. by adopting the improved double-moving knife structure, the cut between the moving knife and the static knife is linear, the cutting is stable, and the knife is not easy to clamp.
Drawings
FIG. 1 is a top view of a paper cutting mechanism;
FIG. 2 is a top view of the drive mechanism;
FIG. 3 is a side view of the drive mechanism;
FIG. 4 is a view showing a coupling structure of a driving motor and a cam gear;
FIG. 5 is an exploded view of the drive mechanism;
FIG. 6 is a bottom view of the push plate support;
FIG. 7 is a side view of the paper cutting mechanism;
fig. 8 is a side view of the moving blade sensing device.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to fig. 1-8, the paper cutting mechanism of the intelligent towel and towel paper machine comprises a driving mechanism, a push plate, a movable knife bracket, a movable knife and a stationary knife, wherein the driving mechanism comprises a driving motor 501, a motor gear 502, a cam 503, a cam gear 504 and a push plate bracket 505, the driving motor 501 is in transmission connection with the motor gear 502, the motor gear 502 is in transmission connection with the cam gear 504, the motor gear 502 and the cam gear 504 are both horizontally arranged, a guide shaft 506 is arranged at the center position of the upper surface of the cam gear 504, and a cam 503 is arranged at the eccentric position of the upper surface of the cam gear 503; a groove 507 is formed in the lower surface of the push plate support 505, the left end and the right end of the groove 507 are straight lines, the front end and the rear end of the groove 507 are arcs, the cam 503 is located in the groove and forms a cam rotating mechanism with the groove 507, a guide groove 508 in the front-rear direction is formed in the center of the groove 507, and the guide shaft 506 is installed on the guide groove 508; the left end and the right end of the push plate bracket 505 are arranged on the frame 1 through a sliding block 509;
the push plate 510 is fixedly connected with the push plate bracket 505, the push plate 510 is fixedly connected with the movable blade bracket 511, the movable blade is arranged on the movable blade bracket 511, and the movable blade and the stationary blade form shearing fit.
Referring to fig. 6, the center of the left half arc 518 at the front end of the groove is different from the center of the groove, and the center of the right half arc 519 is the same as the center of the groove; the center of the left half arc 520 at the rear end of the groove is on the same side as the center of the groove, and the center of the right half arc 521 is on a different side from the center of the groove.
Referring to fig. 1 and 7, the movable knife includes a left movable knife 512 and a right movable knife 513, the left movable knife 512 and the right movable knife 513 are respectively installed on the left side and the right side of the movable knife bracket 511, the left movable knife 512 and the right movable knife 513 are oppositely arranged to form a certain included angle, the movable knife is provided with a plurality of spring sleeves 514, and a spring is arranged between the spring sleeves 514 and the movable knife bracket 511; the fixed knife comprises lapping parts 515 and 516 positioned at the left end and the right end and a cutting part 517 positioned in the middle, wherein the lower surface of the lapping part 515 at the left end and the upper surface at the left end of the left moving knife 512 form sliding fit, the lower surface of the lapping part 516 at the right end and the upper surface at the right end of the right moving knife 513 form sliding fit, and the cutting part 517 is a straight line segment.
Referring to fig. 7 and 8, the paper cutting mechanism includes a moving blade sensing device 522, the moving blade sensing device 522 includes a slot-type photoelectric switch 523 and a blocking piece 524, the blocking piece 524 is fixed on the push plate 510, the slot-type photoelectric switch 523 is fixed on the frame 1, and the blocking piece 524 is located between an infrared emission tube and an infrared receiving tube of the slot-type photoelectric switch 523. The blocking piece 524 and the push plate 510 may be integrally formed. The working principle of the moving blade sensing device 522 is as follows: when the moving blade is at the initial position, the blocking piece 524 is located in the groove of the groove-shaped photoelectric switch 523 to block infrared rays. During the paper cutting operation, the blocking sheet 524 is pushed forward along with the push plate 510 and is in infrared communication. When the shutter 524 returns again after a stroke, infrared rays are blocked, paper cutting is completed, and the driving motor stops working.
The working principle of the paper cutting mechanism is as follows:
the driving motor 501 is controlled by a controller to rotate, so that the cam 503 is driven to rotate in the groove 507, the cam 503 touches the inner wall of the groove 507, the push plate bracket 505 is driven to slide back and forth along the sliding block 509, and then the movable blade bracket 511 and the movable blades 512 and 513 are driven to move back and forth. When the cam 503 touches the center of the front end of the groove, the push plate bracket moves to the foremost end, and the movable blades 512 and 513 form a linear hinge with the stationary blade 517, so that the towel or paper towel is stably cut off. When the cam 503 hits the rear center of the groove, the pusher carriage moves to the rearmost end. The distance between the frontmost end and the frontmost end is a stroke of the push plate bracket, namely a stroke of the movable knife.
The spring sleeve 514 and the spring are used for pushing up the movable knife to tightly hinge the movable knife and the stationary knife to cut off the paper towel or towel, and the structure is also described in detail in chinese patent CN105996880A and will not be described herein again.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (2)
1. The utility model provides an intelligence towel paper handkerchief machine cut paper mechanism which characterized in that: the device comprises a driving mechanism, a push plate, a movable knife rest, a movable knife and a stationary knife, wherein the driving mechanism comprises a driving motor, a motor gear, a cam gear and a push plate bracket; the lower surface of the push plate bracket is provided with a groove, the left end and the right end of the groove are straight lines, the front end and the rear end of the groove are arc lines, the cam is positioned in the groove and forms a cam rotating mechanism with the groove, the center of the groove is provided with a guide groove in the front-rear direction, and the guide shaft is arranged on the guide groove; the left end and the right end of the push plate bracket are arranged on the rack through the sliding block;
the push plate is fixedly connected with the push plate bracket, the push plate is fixedly connected with the movable cutter bracket, the movable cutter is arranged on the movable cutter bracket, and the movable cutter and the static cutter form shearing fit;
the circle center of the left half arc line at the front end of the groove is different from the center of the groove, and the circle center of the right half arc line is the same as the center of the groove; the circle center of the left half arc line at the rear end of the groove is positioned at the same side with the center of the groove, and the circle center of the right half arc line is positioned at the different side with the center of the groove;
the movable knife comprises a left movable knife and a right movable knife which are respectively arranged on the left side and the right side of the movable knife bracket, the left movable knife and the right movable knife are oppositely arranged to form a certain included angle, the movable knife is provided with a plurality of spring sleeves, and springs are arranged between the spring sleeves and the movable knife bracket; the static knife comprises overlapping parts positioned at the left end and the right end and a cutting part positioned in the middle, wherein the lower surface of the overlapping part at the left end and the upper surface of the left end of the left moving knife form sliding fit, the lower surface of the overlapping part at the right end and the upper surface of the right end of the right moving knife form sliding fit, and the cutting part is a straight line segment.
2. The paper cutting mechanism of the intelligent towel and towel machine according to claim 1, characterized in that: the paper cutting mechanism further comprises a movable knife sensing device, the movable knife sensing device comprises a groove-shaped photoelectric switch and a separation blade, the separation blade is fixed on the push plate, the groove-shaped photoelectric switch is fixed on the rack, and the separation blade is located between an infrared transmitting tube and an infrared receiving tube of the groove-shaped photoelectric switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034923.2A CN106725044B (en) | 2017-01-17 | 2017-01-17 | Paper cutting mechanism of intelligent towel paper towel machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034923.2A CN106725044B (en) | 2017-01-17 | 2017-01-17 | Paper cutting mechanism of intelligent towel paper towel machine |
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| Publication Number | Publication Date |
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| CN106725044A CN106725044A (en) | 2017-05-31 |
| CN106725044B true CN106725044B (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710034923.2A Active CN106725044B (en) | 2017-01-17 | 2017-01-17 | Paper cutting mechanism of intelligent towel paper towel machine |
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| CN (1) | CN106725044B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245070A (en) * | 2018-03-21 | 2018-07-06 | 北京智立行走科技有限公司 | A kind of device of high stability automatic shearing toilet paper |
| CN109700361A (en) * | 2019-02-22 | 2019-05-03 | 杭州数策指今科技有限公司 | A kind of wall built-up and desktop place dual-purpose type and share paper napkin machine |
| CN111671346B (en) * | 2020-05-18 | 2022-07-12 | 山东德泰纸业有限公司 | Anti-virus infection's disinfection paper handkerchief takes equipment |
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| GB837194A (en) * | 1955-09-19 | 1960-06-09 | John James Cheesman | Improvements in and relating to dispensing í¡í¡ flexible sheet material |
| US4846035A (en) * | 1986-12-30 | 1989-07-11 | Maurice Granger | Perfected cutting device for a device for dispensing and simultaneous cutting of material rolled up in webs |
| CN105464733A (en) * | 2015-12-08 | 2016-04-06 | 长春设备工艺研究所 | Concave spherical surface arc cam structure for engine cam drive |
| CN105653890A (en) * | 2016-04-07 | 2016-06-08 | 东北大学 | Elevator bearing fatigue service life model based on axial load |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2732164Y (en) * | 2004-08-31 | 2005-10-12 | 杭州爱森科技有限公司 | Mechanic member of wet napkin machine |
| WO2012064320A1 (en) * | 2010-11-08 | 2012-05-18 | Donald Bunnell | Product roll cutting and handling mechanism and method |
| CN203818181U (en) * | 2014-05-15 | 2014-09-10 | 吉林大学 | Novel automatic cutting machine capable of being regulated and controlled and used for plastic corrugated pipe |
| CN204636179U (en) * | 2015-02-02 | 2015-09-16 | 薛文光 | Intelligence paper napkin machine |
| CN104842382B (en) * | 2015-04-17 | 2017-01-11 | 苏州琼派瑞特电子科技有限公司 | Magic tape cutting machine |
| CN204844247U (en) * | 2015-07-24 | 2015-12-09 | 上海克拉方今环保科技有限公司 | Pure piece of cloth machine cut piece of cloth device |
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- 2017-01-17 CN CN201710034923.2A patent/CN106725044B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB837194A (en) * | 1955-09-19 | 1960-06-09 | John James Cheesman | Improvements in and relating to dispensing í¡í¡ flexible sheet material |
| US4846035A (en) * | 1986-12-30 | 1989-07-11 | Maurice Granger | Perfected cutting device for a device for dispensing and simultaneous cutting of material rolled up in webs |
| CN105464733A (en) * | 2015-12-08 | 2016-04-06 | 长春设备工艺研究所 | Concave spherical surface arc cam structure for engine cam drive |
| CN105653890A (en) * | 2016-04-07 | 2016-06-08 | 东北大学 | Elevator bearing fatigue service life model based on axial load |
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| CN106725044A (en) | 2017-05-31 |
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