CN111923130B - Cardboard knife detection method and system - Google Patents
Cardboard knife detection method and system Download PDFInfo
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- CN111923130B CN111923130B CN202010633899.6A CN202010633899A CN111923130B CN 111923130 B CN111923130 B CN 111923130B CN 202010633899 A CN202010633899 A CN 202010633899A CN 111923130 B CN111923130 B CN 111923130B
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- knife
- paper
- vibration frequency
- fixing support
- paper jam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/22—Safety devices specially adapted for cutting machines
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Controlling Sheets Or Webs (AREA)
Abstract
The invention discloses a method and a system for detecting a paper jam knife, wherein the method for detecting the paper jam knife comprises the following steps: collecting the vibration amplitude and the vibration frequency of a paper knife fixing support of the card; judging whether the paper clamping knife is in an abnormal working state or not according to the collected vibration amplitude of the paper clamping knife fixing support; if the paper jam knife is in an abnormal working state, acquiring the abnormal problem of the paper jam knife according to the acquired vibration amplitude and vibration frequency of the paper jam knife fixing support; and sending an abnormal problem alarm of the paper clamping knife. According to the paper jamming cutter detection method, the vibration amplitude and the vibration frequency of the paper jamming cutter fixing support are monitored, and the abnormal problem of the paper jamming cutter can be rapidly and accurately judged, so that an operator is reminded to overhaul the paper jamming cutter, the service life of the paper jamming cutter is prolonged, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of cigarette production, in particular to a method and a system for detecting a paper jamming cutter.
Background
The FX2 packaging machine requires cut-to-length, sized, and continuously cut paperboard sheets to be supplied to cigarette packet packaging during the production process. The cutting of card paper adopts the mode that the moving knife of card paper sword and quiet sword interlock to realize pressure cutting, when card paper sword passivation, cutting position skew or card paper sword pressure adjustment mistake scheduling problem appear, not only the card paper piece of cutting can appear unusually, and card paper sword also can damage because of abnormal use, leads to the life of card paper sword to shorten by a wide margin, and manufacturing cost increases.
Therefore, how to provide a method capable of effectively detecting whether the working state of the cardboard knife is abnormal becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a method for effectively detecting whether the working state of a paper clamping knife is abnormal or not.
According to a first aspect of the present invention, a method of detecting a cardboard knife is provided.
The paper jam knife detection method comprises the following steps:
collecting the vibration amplitude and the vibration frequency of a paper knife fixing support of the card;
judging whether the paper clamping knife is in an abnormal working state or not according to the collected vibration amplitude of the paper clamping knife fixing support;
if the paper jam knife is in an abnormal working state, acquiring the abnormal problem of the paper jam knife according to the acquired vibration amplitude and vibration frequency of the paper jam knife fixing support;
and sending an abnormal problem alarm of the paper clamping knife.
Optionally, when the vibration amplitude of the fixing bracket of the paper jam knife is greater than or equal to 0.2mm, the paper jam knife is in an abnormal working state.
Optionally, the obtaining of the abnormal problem of the cardboard knife according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing bracket is specifically as follows:
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.4mm and the vibration frequency is greater than or equal to 30Hz, the paper jam knife has a passivation problem;
if the vibration amplitude of the fixing support of the paper jam knife is 0.3mm-0.6mm and the vibration frequency is more than or equal to 40Hz, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the fixing support of the paper jam knife is 0.2mm-0.5mm and the vibration frequency is greater than or equal to 50Hz, the paper jam knife has the problem of error pressure adjustment.
Optionally, the jam knife detection method further includes:
collecting the vibration frequency of the moving blade of the paper knife;
if the cardboard knife is in an abnormal working state, the abnormal problem of the cardboard knife is obtained according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing support as follows:
and if the paper jamming knife is in an abnormal working state, acquiring the abnormal problem of the paper jamming knife according to the acquired vibration amplitude and vibration frequency of the paper jamming knife fixing support and the vibration frequency of the movable knife of the paper jamming knife.
Optionally, the abnormal problem of the cardboard knife is obtained according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing support and the vibration amplitude and vibration frequency of the moving knife of the cardboard knife as follows:
if the vibration amplitude of the paper jam knife fixing support is 0.2-0.4 mm, the vibration frequency is greater than or equal to 30Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.2-0.4, the paper jam knife has a passivation problem;
if the vibration amplitude of the paper jam knife fixing support is 0.3-0.6 mm, the vibration frequency is greater than or equal to 40Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.6, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.5mm, the vibration frequency is greater than or equal to 50Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.5, the paper jam knife has the problem of error pressure adjustment.
Optionally, the sending of the abnormal problem alarm of the cardboard knife comprises sending of an audible and visual alarm.
According to a second aspect of the present invention, a cardboard knife detection system is provided.
The paper jam knife detection system comprises a collection module, a processing module and an alarm module; wherein the content of the first and second substances,
the acquisition module acquires the vibration amplitude and the vibration frequency of the paper knife fixing support;
the processing module judges whether the paper jam knife is in an abnormal working state or not according to the collected vibration amplitude of the paper jam knife fixing support, if the paper jam knife is in the abnormal working state, the processing module acquires the abnormal problem of the paper jam knife according to the collected vibration amplitude and vibration frequency of the paper jam knife fixing support and sends an alarm signal to the alarm module;
and the alarm module sends out an abnormal problem alarm of the paper clamping knife according to the received alarm signal.
Optionally, the acquisition module is further configured to acquire the vibration frequency of the moving blade of the paper knife;
the processing module acquires the abnormal problem of the paper clamping knife according to the acquired vibration amplitude and vibration frequency of the paper clamping knife fixing support and the vibration frequency of the moving knife of the paper clamping knife.
Optionally, the collection module includes a photoelectric sensor.
Optionally, the alarm module comprises an indicator light and a speaker.
According to the paper jamming cutter detection method, the vibration amplitude and the vibration frequency of the paper jamming cutter fixing support are monitored, and the abnormal problem of the paper jamming cutter can be rapidly and accurately judged, so that an operator is reminded to overhaul the paper jamming cutter, the service life of the paper jamming cutter is prolonged, and the production cost is reduced.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic flow chart of an embodiment of a jam knife detection method according to the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
As shown in fig. 1, the jam knife detection method of the present disclosure includes the steps of:
step S1: the vibration amplitude and the vibration frequency of the paper knife fixing support are collected.
The vibration amplitude and the vibration frequency of the paper knife fixing support of the acquisition card are beneficial to accurately and effectively judging the actual working state of the paper knife.
Step S2: and judging whether the paper clamping knife is in an abnormal working state or not according to the collected vibration amplitude of the paper clamping knife fixing support.
The vibration amplitude of the paper clamping knife is abnormal when the paper clamping knife works under the abnormal state, so that whether the working state of the paper clamping knife is normal or not can be quickly judged through the vibration amplitude of the paper clamping knife fixing support.
Step S3: and if the paper jamming knife is in an abnormal working state, acquiring the abnormal problem of the paper jamming knife according to the acquired vibration amplitude and vibration frequency of the paper jamming knife fixing support.
During specific implementation, the relation table of the abnormal problem of the paper jam knife, the vibration amplitude of the paper jam knife fixing support and the vibration frequency of the paper jam knife fixing support can be obtained through experiments. After the paper jam knife is judged to be in the abnormal working state, the specific abnormality of the paper jam knife is obtained through the relation table of the abnormal problem of the paper jam knife, the vibration amplitude of the paper jam knife fixing support and the vibration frequency of the paper jam knife fixing support.
Step S4: and sending an abnormal problem alarm of the paper clamping knife.
The alarm may be, for example, an audible and visual alarm, or may be a pop-up window that pops up on the operation screen to remind that an abnormality has occurred.
According to the paper jamming cutter detection method, the vibration amplitude and the vibration frequency of the paper jamming cutter fixing support are monitored, and the abnormal problem of the paper jamming cutter can be rapidly and accurately judged, so that an operator is reminded to overhaul the paper jamming cutter, the service life of the paper jamming cutter is prolonged, and the production cost is reduced.
In an embodiment of the jam knife detection method of the present disclosure, in order to more quickly and accurately determine whether the working state of the jam knife is abnormal, when the vibration amplitude of the jam knife fixing bracket is greater than or equal to 0.2mm, it can be determined that the jam knife is in the abnormal working state.
In one embodiment of the jam knife detection method of the present disclosure, in order to more quickly and accurately determine the abnormal problem of the jam knife, the step S3 obtains the abnormal problem of the jam knife according to the collected vibration amplitude and vibration frequency of the fixing bracket of the jam knife as follows:
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.4mm and the vibration frequency is greater than or equal to 30Hz, the paper jam knife has a passivation problem;
if the vibration amplitude of the fixing support of the paper jam knife is 0.3mm-0.6mm and the vibration frequency is more than or equal to 40Hz, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the fixing support of the paper jam knife is 0.2mm-0.5mm and the vibration frequency is greater than or equal to 50Hz, the paper jam knife has the problem of error pressure adjustment.
In one embodiment of the jam knife detection method of the present disclosure, in order to more accurately determine an abnormal problem of the jam knife, the jam knife detection method further includes:
step S1': the vibration frequency of the moving blade of the paper knife is acquired.
Step S3: if the cardboard knife is in an abnormal working state, acquiring the abnormal problem of the cardboard knife according to the acquired vibration amplitude and vibration frequency of the cardboard knife fixing support as follows:
and if the paper jamming knife is in an abnormal working state, acquiring the abnormal problem of the paper jamming knife according to the acquired vibration amplitude and vibration frequency of the paper jamming knife fixing support and the vibration frequency of the movable knife of the paper jamming knife.
Through the analysis of the vibration parameters of the paper clamping knife fixing support and the moving knife of the paper clamping knife, the specific abnormity of the paper clamping knife can be obtained more accurately.
Further, in step S3, the abnormal problem of the cardboard knife is obtained according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing bracket and the vibration amplitude and vibration frequency of the movable knife of the cardboard knife as follows:
if the vibration amplitude of the paper jam knife fixing support is 0.2-0.4 mm, the vibration frequency is greater than or equal to 30Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.2-0.4, the paper jam knife has a passivation problem;
if the vibration amplitude of the paper jam knife fixing support is 0.3-0.6 mm, the vibration frequency is greater than or equal to 40Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.6, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.5mm, the vibration frequency is greater than or equal to 50Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.5, the paper jam knife has the problem of error pressure adjustment.
In one embodiment of the jam knife detection method of the present disclosure, in order to more effectively remind an operator to repair the jam knife, the step S4 of issuing an abnormal problem alarm of the jam knife includes issuing an audible and visual alarm.
The present disclosure also provides a cardboard knife detection system.
The paper jam knife detection system comprises a collection module, a processing module and an alarm module.
The acquisition module acquires the vibration amplitude and the vibration frequency of the paper knife fixing support.
The processing module judges whether the paper jam knife is in an abnormal working state or not according to the collected vibration amplitude of the paper jam knife fixing support, if the paper jam knife is in the abnormal working state, the processing module acquires the abnormal problem of the paper jam knife according to the collected vibration amplitude and vibration frequency of the paper jam knife fixing support, and sends an alarm signal to the alarm module.
The alarm module sends out an abnormal problem alarm of the paper clamping knife according to the received alarm signal.
In an embodiment of the paper jam knife detection system of the present disclosure, the acquisition module is further configured to acquire a vibration frequency of the moving blade of the paper knife. The processing module acquires the abnormal problem of the paper clamping knife according to the acquired vibration amplitude and vibration frequency of the paper clamping knife fixing support and the vibration frequency of the movable knife of the paper clamping knife.
In one embodiment of the jam-knife detection system of the present disclosure, the acquisition module includes a photosensor. The photoelectric sensor is a non-contact sensor, and can effectively avoid interference on vibration of the paper clamping knife. In specific implementation, the vibration parameters of the paper knife fixing support and the vibration parameters of the moving knife of the paper knife can be acquired by different photoelectric sensors respectively.
In one embodiment of the jam-knife detection system of the present disclosure, the alarm module includes an indicator light and a speaker.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A method for detecting a cardboard knife is characterized by comprising the following steps:
collecting the vibration amplitude and the vibration frequency of a paper knife fixing support of the card;
judging whether the paper clamping knife is in an abnormal working state or not according to the collected vibration amplitude of the paper clamping knife fixing support;
if the paper jam knife is in an abnormal working state, acquiring the abnormal problem of the paper jam knife according to the acquired vibration amplitude and vibration frequency of the paper jam knife fixing support;
sending an abnormal problem alarm of the paper clamping knife;
the method for acquiring the abnormal problem of the cardboard knife according to the acquired vibration amplitude and the acquired vibration frequency of the cardboard knife fixing support specifically comprises the following steps:
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.4mm and the vibration frequency is greater than or equal to 30Hz, the paper jam knife has a passivation problem;
if the vibration amplitude of the fixing support of the paper jam knife is 0.3mm-0.6mm and the vibration frequency is more than or equal to 40Hz, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the fixing support of the paper jam knife is 0.2mm-0.5mm and the vibration frequency is greater than or equal to 50Hz, the paper jam knife has the problem of error pressure adjustment.
2. The jam-knife detecting method according to claim 1, further comprising:
collecting the vibration frequency of the moving blade of the paper knife;
if the cardboard knife is in an abnormal working state, the abnormal problem of the cardboard knife is obtained according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing support as follows:
and if the paper jamming knife is in an abnormal working state, acquiring the abnormal problem of the paper jamming knife according to the acquired vibration amplitude and vibration frequency of the paper jamming knife fixing support and the vibration frequency of the movable knife of the paper jamming knife.
3. The method for detecting a cardboard knife according to claim 2, wherein the abnormal problem of the cardboard knife is obtained according to the collected vibration amplitude and vibration frequency of the cardboard knife fixing bracket and the vibration amplitude and vibration frequency of the movable knife of the cardboard knife as follows:
if the vibration amplitude of the paper jam knife fixing support is 0.2-0.4 mm, the vibration frequency is greater than or equal to 30Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.2-0.4, the paper jam knife has a passivation problem;
if the vibration amplitude of the paper jam knife fixing support is 0.3-0.6 mm, the vibration frequency is greater than or equal to 40Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.6, the paper jam knife has the problem of cutting position deviation;
if the vibration amplitude of the paper jam knife fixing support is 0.2mm-0.5mm, the vibration frequency is greater than or equal to 50Hz, and the ratio of the vibration frequency of the movable knife of the paper jam knife to the vibration frequency of the paper jam knife fixing support is 0.3-0.5, the paper jam knife has the problem of error pressure adjustment.
4. The jam knife detection method according to claim 1, wherein the issuing of the abnormal problem warning of the jam knife includes issuing an audible and visual warning.
5. A jam knife detection system for use in the jam knife detection method according to any one of claims 1 to 4, comprising an acquisition module, a processing module and an alarm module; wherein the content of the first and second substances,
the acquisition module acquires the vibration amplitude and the vibration frequency of the paper knife fixing support;
the processing module judges whether the paper jam knife is in an abnormal working state or not according to the collected vibration amplitude of the paper jam knife fixing support, if the paper jam knife is in the abnormal working state, the processing module acquires the abnormal problem of the paper jam knife according to the collected vibration amplitude and vibration frequency of the paper jam knife fixing support and sends an alarm signal to the alarm module;
and the alarm module sends out an abnormal problem alarm of the paper clamping knife according to the received alarm signal.
6. The paper jam knife detection system according to claim 5, wherein the acquisition module is further configured to acquire the vibration frequency of the moving blade of the paper knife;
the processing module acquires the abnormal problem of the paper clamping knife according to the acquired vibration amplitude and vibration frequency of the paper clamping knife fixing support and the vibration frequency of the moving knife of the paper clamping knife.
7. The jam knife detection system of claim 5 wherein the acquisition module includes a photosensor.
8. The jam knife detection system of claim 5 wherein the alarm module includes an indicator light and a speaker.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010633899.6A CN111923130B (en) | 2020-07-02 | 2020-07-02 | Cardboard knife detection method and system |
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| CN202010633899.6A CN111923130B (en) | 2020-07-02 | 2020-07-02 | Cardboard knife detection method and system |
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| CN111923130B true CN111923130B (en) | 2022-01-11 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112010002985T8 (en) * | 2009-07-20 | 2013-03-28 | Fellowes, Inc. | Shredder (shredder) with vibration power sensor and control system |
| DE102010001734B3 (en) * | 2010-02-10 | 2011-07-21 | Siemens Aktiengesellschaft, 80333 | Machine tool, has evaluation device determining frequency spectrum based on reflected signal and oscillation frequency, where frequencies of belt are oscillated by frequency spectrum when speed of belt exceeds preset speed range |
| CN202098886U (en) * | 2011-06-21 | 2012-01-04 | 王艳霞 | Packer |
| CN203245680U (en) * | 2013-04-18 | 2013-10-23 | 湖南工业职业技术学院 | Lathe tool wear monitoring device based on titanium alloy machining |
| IT201700011567A1 (en) * | 2017-02-02 | 2018-08-02 | Futura Spa | process and equipment for checking the correct execution of the pre-cut lines. |
| CN109883661A (en) * | 2017-12-05 | 2019-06-14 | 拓卡奔马机电科技有限公司 | Cutting knife-breaking detecting method based on vibration analysis |
| CN110394689A (en) * | 2018-04-25 | 2019-11-01 | 富华科精密工业（深圳）有限公司 | Cutter compromise state monitors system and method |
| CN108972152A (en) * | 2018-10-12 | 2018-12-11 | 哈尔滨理工大学 | A kind of sound-power detection method monitoring abrasion of cutting tool state |
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