CN110834993B - Slitting device and rewinding machine - Google Patents

Abstract

The application discloses slitting device and rewinding machine. Should cut the device and include: the cutter is positioned on one side of the sheet to be cut and is used for cutting the sheet to be cut into two parts, and a slit is formed in the middle of the sheet to be cut; the detection mechanism comprises a probe, the probe is positioned on one side, away from the cutter, of the sheet to be cut, penetrates through a slit generated by cutting of the cutter, and forms a mark area or sends a feedback signal on the sheet to be cut when the probe touches the part, passing through the cutter, of the sheet to be cut and not cut. The sheet to be cut is cut into two parts through the cutter to form a slit, the probe penetrates through the slit of the sheet to be cut, and when the probe contacts the part, passing through the slit and not being cut, of the sheet to be cut, a mark area is formed on the sheet to be cut through the detection mechanism or a feedback signal is sent out. Therefore, the detection mechanism can quickly distinguish the part of the sheet to be cut, which is supposed to be cut but not cut by the cutter, so that the resource utilization rate is improved.

Description

Slitting device and rewinding machine

Technical Field

The application relates to the technical field of rewinding machines, in particular to a slitting device and a rewinding machine.

Background

In the production process, the paper is usually subjected to a preliminary processing by a winder to obtain a paper roll. However, since the paper roll wound by the winder is relatively soft, there is a possibility that the inside of the paper roll is damaged or broken, and the two side edges are also prone to be irregular, and the width of the paper web is not uniform. Therefore, most of the paper rolls cannot be directly used in the fields of paper processing or printing, and most of the paper types (such as newsprint, letterpress, wrapping paper, and the like) produced by the paper winding machine must be subjected to operations such as edge cutting, slitting, splicing, and the like by the rewinding machine, and finished paper rolls with certain specifications and certain tightness are formed by rewinding on the paper winding cores before the finished paper rolls can be delivered.

In the prior art, a rewinding machine is mainly used for automatically coiling and rewinding a slit and dispersed paper roll after longitudinally slitting the paper roll produced by a paper winder. In the household paper production process, in order to adapt to different post-processing machines, a slitting device on a rewinding machine is required to be used for slitting raw paper into different widths, but the situation that the existing paper cannot be completely slit is easily caused in the slitting process, and because the paper is in a high-speed motion state and the paper color is difficult to distinguish, the paper is difficult to distinguish and the paper needs to be cut but the paper is difficult to be cut, so that the rewound paper roll cannot be used, and huge waste is caused.

Disclosure of Invention

The main technical problem who solves of this application provides a cutting device and rewinding machine, can distinguish the part that just is not cut through the cutter fast, improves resource utilization.

In order to solve the technical problem, the application adopts a technical scheme that: the cutting device comprises a cutter, a cutter and a cutting mechanism, wherein the cutter is positioned on one side of a sheet to be cut and is used for cutting the sheet to be cut into two parts, and a slit is formed in the middle of the sheet to be cut; the detection mechanism comprises a probe, the probe is positioned on one side, away from the cutter, of the sheet to be cut, penetrates through a slit generated by cutting of the cutter, and forms a mark area or sends a feedback signal on the sheet to be cut when the probe touches the part, passing through the cutter, of the sheet to be cut and not cut.

The probe comprises a fixing part, a connecting part and a probe, wherein the two ends of the connecting part are respectively connected with the fixing part and the probe, and the connecting part penetrates through the slit.

Wherein, the probe includes further including the passageway, and fixed part and probe are connected respectively to the both ends of connecting portion, and the fixed part is connected with the casing of knife rest, and fixed part and probe are located the relative both sides of paper respectively, and the passageway is located inside the probe, is provided with the liquid outlet of interface channel on the probe, and another opening of passageway is located connecting portion or fixed part, and the passageway is used for transmitting at the part that is not cut and forms the regional sign liquid of sign, and the sign liquid flows by the liquid outlet.

Wherein, detection mechanism still includes holds the cistern, holds the cistern and corresponds the liquid outlet setting, and is located the one side on liquid outlet orientation ground for bear the identification liquid of liquid outlet output.

The detection mechanism further comprises a detection unit and a feedback unit, the detection unit is respectively connected with the probe and the feedback unit, the detection unit acquires signals generated by the contact of the probe and the uncut part and transmits the signals to the feedback unit, and the feedback unit outputs feedback signals according to the signals.

The detection mechanism further comprises a control unit, the control unit is respectively connected with the detection unit and the feedback unit, the detection unit is connected with the feedback unit through the control unit, the control unit acquires a signal transmitted by the detection unit, judges whether the signal exceeds a preset threshold value or not, and controls the feedback unit to output a feedback signal if the signal exceeds the preset threshold value.

The detection mechanism further comprises a supporting wheel and a controller, the supporting wheel is positioned on one side, away from the cutter, of the sheet to be cut, the probe is in contact with and abuts against the supporting wheel, the controller is electrically connected with the probe and the supporting wheel respectively and forms a loop through the probe and the supporting wheel, after the probe is in contact with the part, which is not cut, of the probe, the part, which is not cut, pushes the probe to be not in contact with the supporting wheel, and the loop is disconnected.

The detection mechanism further comprises a feedback device, the feedback device is connected with the controller, and the controller controls the feedback device to output a feedback signal after the loop is disconnected.

The detection mechanism further comprises an elastic element, one end of the elastic element is connected with one side of the probe, the other end of the elastic element is connected with the tool rest, and the elastic element pushes/pulls the probe to be close to and abut against the supporting roller.

In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a rewinding machine comprising a slitting device as described above.

The beneficial effect of this application is: in contrast to the prior art, the present application proposes a cutting device and a rewinding machine, wherein a sheet to be cut is cut into two parts by a cutter to form a slit, a probe passes through the slit of the sheet to be cut, and a detection mechanism forms a marking area on the sheet to be cut or sends a feedback signal when contacting a part of the sheet to be cut passing through the slit and not being cut. Therefore, the detection mechanism can quickly distinguish the part of the sheet to be cut, which is supposed to be cut but not cut by the cutter, so that the resource utilization rate is improved.

Drawings

FIG. 1 is a schematic view of a first embodiment of the slitting device of the present application;

FIG. 2 is a schematic view of a second embodiment of the slitting device of the present application;

FIG. 3 is a schematic view of a third embodiment of the slitting device of the present application;

FIG. 4 is a schematic view of a fourth embodiment of the slitting device of the present application;

fig. 5 is a schematic structural diagram of an embodiment of the rewinding machine of the present application.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The slitting device and the rewinding machine of the present application are described in detail below with reference to the embodiments and the accompanying drawings.

In the embodiments of the present application, the sheet to be cut may be a paper sheet, a film, a mica roll, or other sheets with fibers that can be cut by the cutting device, and is not limited herein.

The following describes the slitting device and the rewinding machine in detail, taking the sheet to be slit as a paper sheet.

Referring to fig. 1, fig. 1 is a schematic structural view of a first embodiment of the slitting device of the present application.

In the present embodiment, the slitting device 1 comprises a knife holder 11 and a detection mechanism 12. Wherein, the cutter holder 11 includes a housing 110, a cutter 111 and a bottom roller 112, the cutter 111 is located at one side of the paper sheet 100 for dividing the paper sheet 100 passing through the cutter 111 into two parts and forming a slit (not shown) in the middle of the paper sheet 100. The base roller 112 is located on the other side of the sheet 100 from the cutter 111, opposite the cutter 111. When the cutter 111 works, the bottom roller 112 rotates to drive the paper sheet 100 to move in a direction away from the cutter 111, and the paper sheet 100 is cut by matching with the cutter 111.

The cutter 111 is disc-shaped, a cutting edge (not marked) is arranged on the outer side of the cutter 111, the cutting edge is used for being matched with the bottom roller 112 to cut the paper sheets 100 passing through the cutter 111, and the technology that the cutter 111 is matched with the bottom roller 112 to cut the paper sheets 100 can adopt slitting in the prior art, which is not described herein again.

In other embodiments, the cutter 111 may also be a column type, a sheet type, or other shapes, and only the paper sheet 100 can be cut by the cutter 111, which is not limited herein.

In this embodiment, a driving device (not shown) is further disposed on the casing 110, and the driving device is configured to drive the cutting blade 111 and/or the bottom roller 112 on the casing 110 to move, so that the cutting blade 111 and the bottom roller 112 can continuously cut the paper sheet 100. The cutting blade 110 and the bottom roller 112 may share one driving device, or may be driven by different driving devices, which is not described herein.

In this embodiment, the cutting blade 111 and the bottom roller 112 rotate around an axis respectively, and the axes of the cutting blade and the bottom roller are parallel to each other. In other embodiments, the axial directions of the axes of the cutting blade 111 and the bottom roller 112 may not be parallel, which is not described herein.

The sheet 100 is cut into two portions by the cutter 111 after passing through the cutter 111, the bottom roll 112, forming a first web (not labeled) and a second web (not labeled). A slit (not shown) is formed in the middle of the sheet 100, i.e. between the first and second webs.

When the cutter 111 cuts the paper sheet 100, a part of the paper sheet 100 may be cut but not cut, that is, there is a part of the paper sheet 100 passing through the cutter 111 and not cut, in this case, the first paper web and the second paper web are connected together through the non-cut part, the slit is blocked by the non-cut part (not shown) of the paper sheet 100, and the non-cut part of the paper sheet 100 needs to be detected by a detection mechanism (not shown).

The detection mechanism (not shown) includes a probe 121, the probe 121 being located on a side of the sheet 100 away from the cutter 111, and the probe 121 passing through a slit created by the cutting of the sheet 100 by the cutter 111. The detection mechanism forms a marking area on the sheet 100 when the probe 121 touches a portion of the sheet 100 that is not cut.

In the present embodiment, the probe 121 includes a fixing portion (not shown), a probe head 122 and a connecting portion (not shown) connecting the fixing portion and the probe head 122. Wherein the fixed part is connected with the housing 110 on the tool holder, the probe 122 is positioned at one end of the probe 121 far away from the housing 110, and the connecting part passes through the slit, so that the fixed part and the probe 122 are positioned at different sides of the paper sheet 100.

In other embodiments, the fixing portion of the probe 121 may not be connected to the housing 110, and may also be connected to other supporting devices that are not located on the housing 110, which is not described herein.

In other embodiments, the number of paper webs cut by the cutter 111 to the paper sheet 100 may not be two, and may also be 3, 4 or other numbers, and only the detection mechanism may be set corresponding to the number of slits on the paper sheet 100, each slit has the probe 121 passing through the slit, and whether a part passing through the cutter 111 and not cut exists can be detected by the probe 121, which is not described herein again.

When the paper sheet 100 is continuously cut by the cutter 111, the probe 121 is inserted into the slit, the first paper web and the second paper web of the paper sheet 100 move in a direction away from the cutter 111 through the probe 121, when the cutter 111 fails to divide the paper sheet 100 into two parts, the paper sheet 100 is connected with the first paper web and the second paper web through the part which is not cut by the cutter, the part which is not cut moves to the probe 121 during the movement of the paper sheet 100, the probe 121 contacts the part which is not cut, resistance is formed on the movement of the paper sheet 100, so that the probe 121 tears the part which is not cut to form a mark area (not shown) which is easily recognized by an operator, such as a fold, a bulge and the like, the operation of the cutting device is convenient for the operator to stop, and loss is reduced.

Preferably, in order to form the mark area, a hook is further provided at the end of the probe 122, and when the uncut part moves to the probe 121, the hook can catch the uncut part of the paper sheet 100 and other fiber-bearing sheets, and tear the uncut part more easily to form a larger mark area.

Further, in order to make it easier for the hook portion of the probe 122 to catch the uncut portion, the probe 121 is disposed obliquely to the horizontal direction, and preferably, the probe 121 forms an angle with the horizontal direction, which is less than or equal to 80 °.

In contrast to the prior art, the present application proposes a cutting device, in which a paper sheet is cut into two parts by a cutter, a slit is formed in the middle, a probe of a detection mechanism passes through the slit, and when the probe contacts a non-cut part of the paper sheet, the probe contacts the non-cut part of the paper sheet and blocks the paper sheet from leaving the cutter, thereby forming a mark region such as a wrinkle, a ridge, or the like on the paper sheet, which is easily recognized by a user. This application can be through detection mechanism quick discernment wait to cut the sheet and should cut but the part that is not cut through the cutter, has improved resource utilization.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a detecting mechanism in a second embodiment of the slitting device according to the present application. In the second embodiment of the present application, the slitting device includes a knife holder (not shown), and a housing (not shown), a cutter (not shown), and a bottom roller (not shown) are provided on the knife holder. The structures of the shell, the cutter and the bottom roller are the same as those of the first embodiment, and are not described herein.

In the present embodiment, the detection mechanism (not labeled) includes a probe 221 and a liquid-holding tank 224. The probe 221 includes a fixing portion (not shown), a probe 222 and a connecting portion (not shown) connecting the fixing portion and the probe 222. Wherein the fixed part is connected with the housing on the tool holder, the probe 222 is located at one end of the probe 221 away from the housing, and the connecting part passes through the slit on the paper sheet 200, so that the probe 122 and the fixed part are located at different sides of the paper sheet 200. A passage 223 is provided inside the probe 221 for conveying the marking liquid forming the marking zone on the uncut portion of the sheet 200. The probe 222 has a liquid outlet (not shown) at an end thereof remote from the fixed portion, the liquid outlet being connected to the passage 223, and the marking liquid is ejected from the liquid outlet and forms a marking area on the uncut portion of the sheet 200. The other opening of the channel 223 is located on a fixed portion or a connection portion of the probe 221.

When the paper sheet 200 is cut by the cutter, the marking liquid is sprayed out from the liquid outlet through the channel 223, and when the paper sheet 200 is in a normally divided state, the marking liquid is sprayed out from the liquid outlet 222 of the channel 223 and is not sprayed onto the paper sheet 200. When the paper sheet 200 has a part which is not cut, namely a part which is not cut, the bottom roller drives the part which is not cut on the paper sheet 200 to move to the liquid outlet 222, the marking liquid is sprayed on the paper sheet 200, and a marking area is formed on the paper sheet 200.

It will be appreciated that the marking fluid forms a marking zone on the sheet 200 having a different color than the sheet 200, such as red, blue, black, etc. when the sheet 100 is white. Preferably, the marking fluid is an aqueous ink to enable easy reuse of the marked paper sheet 200.

Further, the marking liquid can also be phenolphthalein-sodium bicarbonate aqueous solution, so that the marking liquid which is just sprayed is red or pink, and after a period of time, the phenolphthalein-sodium bicarbonate aqueous solution absorbs carbon dioxide in the air, and then the pH value is reduced, so that the red or pink disappears, and the paper sheet 200 can be reused conveniently.

In the above embodiment, the marking liquid may be any liquid capable of dyeing the sheet material with fibers, such as the paper sheet 200, and the liquid is only required to form a marking area on the sheet material cut by the slitting device, which can be quickly identified by an operator, and is not limited herein.

Further, in order to bear the weight of the identification liquid and carry out reuse to spun identification liquid, the detection mechanism of this application still includes the liquid tank 224 that holds that corresponds the setting with the liquid outlet, holds that liquid tank 224 is located the one side on liquid outlet orientation ground for the splendid attire connects from liquid outlet spun identification liquid.

In contrast to the prior art, the present application proposes a cutting apparatus that divides a sheet into two parts by a cutter, forms a slit in the middle, through which a probe of a detection mechanism passes, and when the probe contacts a non-cut part of the sheet, the probe contacts the non-cut part of the sheet, and sprays marking liquid onto the non-cut part of the sheet by the probe, forming a marking region that can be quickly recognized by a user. This can be through detection mechanism quick discernment treat the section that the sheet material should cut but not cut through the cutter, improved resource utilization.

Referring to fig. 3, fig. 3 is a schematic structural view of a slitting device according to a third embodiment of the present application.

In the third embodiment of the present application, the slitting device comprises a detection mechanism (not shown) in addition to the housing, the knife wheel and the bottom roller as described in the above embodiments.

In this embodiment, the detecting mechanism includes a detecting unit 331, a probe 321 and a feedback unit 333, the probe 321 is fixed on the housing and located at a side of the paper 300 away from the cutter, and one end of the probe 321 penetrates through a slit generated by cutting the paper 300. The sensing unit 331 is connected to the probe 321 and the feedback unit 333, respectively, the sensing unit 331 acquires a signal generated by the contact of the probe 321 with the sheet 300 and transmits the signal to the feedback unit 333, and the feedback unit 333 receives the signal transmitted by the sensing unit 331 and outputs a corresponding feedback signal by which a user can quickly determine whether there is a portion of the sheet 300 that is not cut. It can be understood that when the paper sheet 300 has a part which is not cut, that is, a part which is not cut and connects the first paper web and the second paper web exists between the first paper web and the second paper web, and the bottom roller drives the part which is not cut to move to the probe 321, the part which is not cut pushes against the probe 321 so that the amplitude of the probe 321 changes greatly, and the detection unit 331 can obtain that the paper sheet 300 has an uncut area by detecting the amplitude change of the probe 321.

In other embodiments, the detecting unit 331 can further obtain force variation information received by the probe 321 and other information capable of determining whether the probe 321 contacts the uncut portion of the paper sheet 300, which is not described herein again.

In this embodiment, the feedback unit 333 is electrically connected to the detecting unit 331, and includes at least one of a display device, an audio device, or a communication device, which is not described herein again.

When the feedback unit 333 is a display device, the display device may be a display screen, a display, a lamp set, a color lamp, a color code, an indicator lamp, or the like. The information such as amplitude and frequency is directly displayed on the display screen, and the information such as amplitude and frequency can be displayed by the arrangement of the lamp groups, the information such as amplitude and frequency can be displayed by the color change of the color lamps/color scales, the information such as amplitude and frequency can be displayed by the lighting or flashing of the indicator lamps, and the information can be recognized by a user, which is not limited herein. The display device is arranged on the panel facing to one side of the user, so that the user can conveniently see the information, and the use is convenient. It is to be understood that the display device is not limited to displaying information such as amplitude and frequency, and other necessary information may be displayed by the display device, and the user may know whether or not there is an uncut portion by interpreting the information.

The audio device uses sound to prompt information such as amplitude and frequency. It will be appreciated that the audio component is not limited to prompting amplitude, frequency information, but may be used to prompt other user-desired information.

The communication device is at least one of a wireless communication module or a wired communication module. The wired Communication refers to twisted pair telephone network, internet, optical fiber transmission network, etc., and the Wireless Communication includes Wireless Local Area network (WLAN, abbreviated), global System for Mobile Communication (GSM, abbreviated), code Division Multiple Access (CDMA), long Term Evolution (LTE, abbreviated), bluetooth, infrared, etc. Further, the required information can be sent to the operator's terminal, such as a mobile phone, in a wireless manner.

Further, in order to better detect the part of the paper sheet 300 that needs to be cut but is not cut, the detection mechanism further comprises a control unit 332, the control unit 332 is respectively connected with the detection unit 331 and the feedback unit 333, the detection unit 331 is connected with the feedback unit 333 through the control unit 332, and the control unit 332 receives the signal transmitted by the detection unit 331 and sends a control signal to the feedback unit 333.

Further, the control unit 332 also presets a threshold, which may be an amplitude threshold or a frequency threshold, and when the detection unit 331 detects a frequency or vibration amplitude signal of the probe 122 and sends the frequency or vibration amplitude signal to the control unit 331, the control unit 332 determines whether the received frequency or amplitude is outside the preset threshold. When the frequency is outside the preset frequency threshold or the amplitude is outside the preset amplitude threshold, the control unit 332 controls the feedback unit 333 to send a feedback signal that the uncut portion of the paper sheet 300 exists, so that it is more convenient for the user to know that the uncut portion exists.

Further, the control unit 332 further includes an input device for inputting a preset threshold, where the input device includes a keyboard, a sound pickup, a handwriting pad, a touch pad, and the like, which are not described herein again.

In contrast to the prior art, the present application provides a cutting device, wherein a paper sheet is cut into two parts by a cutter, a slit is formed in the middle, a probe of a detection mechanism passes through the slit, and when the probe contacts an uncut part of the paper sheet, a control unit detects the amplitude or frequency generated by the contact of the probe and the paper sheet through the detection unit, judges whether the frequency or amplitude is beyond a preset threshold value, and if so, controls a feedback unit to send a feedback signal enabling a user to determine the uncut part. The part that the sheet material that waits to cut should cut but not cut through the cutter can be distinguished fast through detection mechanism's feedback signal, has improved resource utilization.

Referring to fig. 4, fig. 4 is a schematic structural view of a fourth embodiment of the slitting device of the present application.

In the cutting device provided by the fourth embodiment of the present application, the cutting device includes the cutter and the bottom roller as described above, and a detection mechanism (not labeled) is further provided on the cutting device, and the detection mechanism includes a supporting roller 423, a controller 432 and a probe 421. Wherein, the riding wheel 423 is positioned at one side of the paper 400 which leaves the cutter, the probe 421 comprises a probe 422, one end which is far away from the probe is fixed on the shell 410, and the probe 422 passes through the slit on the paper 400 to contact and abut against the riding wheel 423. The controller 432 is electrically connected to the probe 421 and the idler 423, respectively, so that a loop through which current can flow is formed by the probe 421 and the idler 423. When the paper sheet 400 is normally cut, the probe 422 abuts against the supporting roller 423, when the paper sheet 400 has an area which is not cut, namely, when a part which is not cut exists, the part which is not cut moves to the probe 421 and pushes the probe 421 to enable the probe 422 to be separated from the supporting roller 423, a loop formed by the probe 421, the supporting roller 423 and the controller 432 is disconnected, and the controller 432 sends a signal that the part which is not cut exists on the paper sheet 400.

It will be appreciated that the detection mechanism further comprises a feedback 433, the feedback 433 being connected to the controller 432, the controller 432 controlling the feedback 433 to signal a feedback that there is an uncut portion of the sheet 400 after the circuit is broken.

In this embodiment, the feedback unit 433 may be the same as or similar to the feedback unit 333 in the second embodiment of the slitting device of this application, and is not described herein again.

Further, in order to improve the detection accuracy of the detection mechanism, the probe 421 is pivoted on the housing 410 of the tool holder, and the probe 422 of the probe 421 contacts and abuts against the supporting roller 423 under the action of gravity.

Further, in order to prevent the probe 421 from being pushed by the friction force of the paper sheet 400 to break the circuit when there is no uncut part of the paper sheet 400, an elastic element 424 is further disposed between the probe 421 and the housing 410, one end of the elastic element 424 is connected to one side of the probe 421, and the other end is connected to the housing 410 of the tool rest. The elastic element 424 pushes/pulls the probe 122 of the probe 421 to approach and contact the idler 423, so that when the paper sheet 400 is normally cut, the probe 422 of the probe 421 abuts against the idler 423, and when the paper sheet 400 has an uncut part, the uncut part contacts the probe 421 and pushes the probe 421 to overcome the tension of the elastic element 422, so as to drive the probe 421 to be out of contact with the idler 423.

In this embodiment, the elastic element 424 may be a spring, or may be other elastic components such as a spring sheet and an elastic cord, which are not limited herein.

It is understood that the probe 421 and the idler 423 are conductive materials.

The supporting roller 423 may have other configurations, such as a plate shape, a rod shape, etc., and is not limited herein.

In contrast to the prior art, the present application proposes a cutting apparatus in which a sheet is cut into two portions by a cutter, a slit is formed in the middle, a probe of a sensing mechanism passes through the slit, and a controller of the sensing mechanism controls a feedback device to send a feedback signal when the probe contacts a portion of the sheet that is not cut. The part that the sheet material that waits to cut should cut but not cut through the cutter can be distinguished fast through detection mechanism's feedback signal, has improved resource utilization.

In the above embodiment, the slitting device comprises a knife rest, wherein the knife rest comprises a cutting knife and a bottom roller; in other embodiments, however, the design of the blade holder or backing roll may be changed as the case may be, or the blade holder or backing roll may be omitted, leaving only the cutting blade. The cutter can be rotary or fixed. In addition, the arrangement of the cutting knife and the paper in fig. 1-4 is only illustrated, and the arrangement of the cutting knife and the paper can be adjusted according to actual situations, for example, the cutting knife is located below the paper, or the paper is set to be vertical or inclined at a predetermined angle. In addition, the probe can be connected with the tool rest, or can be arranged independently, and can be connected with a supporting part which can be connected with the tool rest, the ground or other components.

Based on the same inventive concept, the application also provides a rewinding machine which comprises the slitting device.

Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the rewinding machine of the present application.

In this embodiment, the rewinding machine 50 comprises a slitting device 51 as described above, and the paper sheet 52 is conveyed by other means on the rewinding machine 50, so that the paper sheet 52 passes through the slitting device 51 and is slit by the slitting device 51. A detection mechanism (not shown) of the slitting device detects whether the sheet 52 is completely slit by the cutter (not shown) during the slitting process, and sends a feedback signal when it is found that there is a portion of the sheet 52 that should be slit but is not slit.

Further, the rewinding machine 50 may comprise a plurality of groups of slitting devices 51, wherein the cutters of the plurality of groups of slitting devices 51 are arranged in parallel.

Further, the number of the slitting devices 51 is 10 or more.

Further, the rewinding machine 50 further comprises an unwinding device 53 disposed at one side of the slitting device 51 and a winding device 54 disposed at the other side of the slitting device 51.

The unwinding device 53 and the winding device 54 may include unwinding machine technology and winding machine technology in the prior art, which are not described herein.

It should be noted that the above embodiments belong to the same inventive concept, and the description of each embodiment has a different emphasis, and reference may be made to the description in other embodiments where the description in individual embodiments is not detailed.

The beneficial effects are that: in contrast to the state of the art, the present application proposes a rewinding machine that divides the sheet into two portions by means of a cutter, with a slit formed in the middle, through which the probe of the detection mechanism passes, and forms a marking zone on the sheet or sends a feedback signal by means of the detection mechanism when the probe contacts the uncut portion of the sheet. The part that the sheet material that waits to cut should cut but not cut through the cutter can be distinguished fast through detection mechanism's feedback signal, has improved resource utilization.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims (5)

1. The utility model provides a cutting device which characterized in that, cutting device includes:

the cutter is positioned on one side of the sheet to be cut and is used for cutting the sheet to be cut into two parts, and a slit is formed in the middle of the sheet to be cut;

the detection mechanism comprises a probe, the probe comprises a fixing part, a connecting part and a probe, two ends of the connecting part are respectively connected with the fixing part and the probe, the probe is positioned on one side of the sheet to be cut away from the cutter, the connecting part penetrates through the slit generated by cutting of the sheet to be cut through the cutter, and the detection mechanism forms a marking area or sends a feedback signal on the sheet to be cut when the probe touches the part of the sheet to be cut, which passes through the cutter and is not cut;

the probe further comprises a channel, the channel is located inside the probe, a liquid outlet connected with the channel is formed in the probe, another opening of the channel is located in the connecting portion or the fixing portion, the channel is used for transmitting the identification liquid which is not cut off and forms the identification area, and the identification liquid flows out of the liquid outlet.

2. The slitting device according to claim 1, wherein the detection mechanism further comprises a liquid receiving groove, the liquid receiving groove is arranged corresponding to the liquid outlet and located on one side of the liquid outlet facing the ground, and is used for receiving the identification liquid output by the liquid outlet.

3. The slitting device according to claim 1, wherein the detecting mechanism further comprises a detecting unit and a feedback unit, the detecting unit is connected with the probe and the feedback unit respectively, the detecting unit acquires a signal generated by contact between the probe and the uncut part and transmits the signal to the feedback unit, and the feedback unit outputs the feedback signal according to the signal.

4. The slitting device according to claim 3, wherein the detecting mechanism further comprises a control unit, the control unit is connected with the detecting unit and the feedback unit respectively, the detecting unit is connected with the feedback unit through the control unit,

the control unit acquires the signal transmitted by the detection unit, judges whether the signal exceeds a preset threshold value, and controls the feedback unit to output the feedback signal if the signal exceeds the preset threshold value.

5. A rewinding machine characterized in that it comprises a slitting device according to any one of claims 1 to 4.

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