TR2021016828T - A semi-automatic device and a method for cutting advancing web material. - Google Patents

Abstract

The present invention provides a semi-automatic device (15) for cutting web material (3). The device (15) is equipped with means for detecting and monitoring defects in the net material (3), a cutter (5) for making cuts in the net material (3), and a unit for separating the defective cut pieces (3b) of the net material (3). The invention also provides a semi-automatic method for cutting web material 3 . The device 15 may be a single unit used for discontinuous processing within a storage bag manufacturing plant, or it may be used in a semi-automatic or automatic bag converting line where the bags are made from mesh material 3 . In particular, the device 15 is suitable for large or long fabric 3 intended for the manufacture of bulky storage bags, where wastage of fabric 3 is a major problem. However, this device (15) can be used for any size of fabric or mesh (3) for the manufacture of bags of any size.

Description

DESCRIPTION A FOR CUTTING PROGRESSIVE NETWORK MATERIAL SEMI-AUTOMATIC DEVICE AND A METHOD Field of Invention The invention relates to a method and apparatus for cutting fabric. Device It has an internal line system for detecting defects. fabric, single axially drawn polymer cut film strips, especially cut from polyolefin cut film strips, preferably polypropylene cut It can be a mesh made of film strips or a plastic woven fabric. In particular, the device and method can be used in different shapes such as square or tubular. Large scale or long for bulky storage bag that can be by recognizing the fabric fault and rejecting/discarding it relates to the creation of a notification for

State of the Art The invention relates to a method and apparatus for cutting fabric. Device It has an internal line system for detecting defects. fabric, optional on one or both sides with a thermoplastic material, depending on from uniaxial extruded polymer cut film strips that can be coated, especially from polyolefin cut film strips, preferably polypropylene a mesh or plastic woven made from cut strips of film It could be fabric. Defective sections of a typical plastic woven fabric It is important to monitor the irregularities that are characteristic of Weaving the faults dents, fabric ends stuck together, or other similar defects may be included. Some defects may be cosmetic, but some may compromise the integrity and strength of the fabric or may affect other desirable properties such as sealing, resulting in results in the fabric being unsuitable for the purpose for which it was designed. defective downstream processing of the fabric, defective that must be reversed results in bags. Even worse, such defective/defective bags not reversed, they will only result in material spillage and wastage. product to be stored, which not only leads to or it can be filled with material, which also affects the quality of the material.

For the detection of such defects in the fabric, it has been used in the prior art. many solutions are available. an inspection camera for taking images of the fabric, and plastic based on images taken by the inspection camera detects irregularities in woven fabric and weaving pattern showing a defective section of woven fabric This error triggers an error signal when it detects irregularities. signal that activates, for example, a flashlight or a coma, or an analysis that can be fed to a high-level machine controller unit is provided. Here is a plastic woven fabric defect an inspection system for monitoring and also a plastic woven a method for sequentially labeling or tracking fabric defects variants are also available. However, a high-speed processing unit labeling of fabric defective areas on the fabric is cumbersome and complex is an operation.

Many of the consumer products today are powdery or bulky or other similar types, large plastic woven fabric It is filled into bulky bags, stored in them and movable and can have different shapes such as square or tubular. These load capacity is usually between 300 and 2500 depending on the product contained kg, where the larger unit contains more load.

Bags made of plastic woven fabric used meets quality requirements for incoming end-use purpose is important.

Bulky bags are generally used for almost any bulky material. It is rapidly used and bulky for delivery. the size of the bags has also been in the past years, especially the relatively light increased in the case of materials. For packaging particulate products such as powder/chemical bulk plastic bags used for filling, storage and In addition, contamination or particles during transport It is sufficiently stable and dustproof to prevent therefore, they also contribute to environmental protection. free flowing plastic bags for packaging chemicals also air related to the occupational safety of the material used against the effects of In addition to the requirements, the requirements for the resistance of the material are also must fulfill.

of bulky packaging bags made of plastic material manufacturers and traders increasingly incoming product based on a random basis from the operators of the facilities detecting a defective bag during inspections, thus preventing plastic of one full pallet of bags or hundreds or thousands of loads requesting a refund and taking it back by the supplier encounters the problem of necessity. caused by this problem The economic damage is enormous.

During the production of a plastic woven textile, pre-material for early detection of defects already present in the independent to label these faults manually by means of markers. The first approaches of bulk bag manufacturers have yet to be completely has not been developed.

Plastic woven fabric reaching mesh speeds of up to 100 m/min. operating personnel due to fast-running processing machines Complete and only optical tracking of defects by visual literally almost impossible. Consecutive process of bag production a fabric tube by forming or closing, respectively, in the steps of For example, in a flat mesh material, a defect can be a colored mark, so then on the inside of this fabric tube can be positioned so that in a downstream optical quality control will not be detected. In addition, depending on the customer's demands, certain defects of one size and below are acceptable, therefore, A distinction is needed regarding the size of defects that need to be eliminated. across many meters of a section of plastic woven fabric Large-scale or long defects that occur can be attributed to small-scale defects. tends to be perceived more by operating personnel compared to they show.

The defect detection sensitivity can be adjusted according to the customer's demands. for detecting a defective section of plastic woven fabric. reliable monitoring system, all faults and also plastic one or more various successive processing steps of the woven fabric marks the defects that occur after The last one cuts the defective fabric, this cutter unit also wastes the defective fabric. minimizes the gathering and also saves fabric length, however, such a monitoring system is hitherto unknown.

Therefore, in order to detect the above-mentioned defects and long fabrics of large-scale or bulky bags There is a need for methods and devices for cutting.

Objectives of the Invention: The main object of the present invention is to cut the fabric and also to create a for detecting defects in plastic woven fabric. device is provided.

Another object of the present invention is to use such a device to detect defects. a defect detection system to monitor defects using the device. is to be provided.

Yet another object of the present invention is the large-scale removal of defects. or in long fabrics and after cutting minimizing waste.

According to the invention, for these purposes, defective areas of fabrics are detected. accessed by providing a cutting device. Coordinates of the defective areas determines. Progression of fabric defective areas down the line the fabric is traced throughout the cutting unit. Cut fabric with defects parts are determined. Cut parts containing defects they are cut manually according to the observation and need, thus waste after cutting is minimized and the thrown out, normal cut pieces separate.

Brief Description of Figures: Figure 1 shows the scanner and defect detector (4) for bulk bags of the invention. and shows the cutting unit (5).

Figure 2 shows one embodiment of the system of the invention.

Figure 3 is a schematic plan of the mesh material of the invention with defects. shows the view.

Figure 4 shows the defect detection device with the control units of the cutting unit. schematically displays the communication between a control unit.

Short Description of the Invention: The present invention is a semi-automatic cutting of mesh material (3). provides the device (15). Device (15), defolarin in the mesh material (3) within the mesh material (3), with the means for detection and monitoring with a cutter (5) to create cuts and the defect of the mesh material (3) with a unit to separate the cut pieces (3b) determined to be is equipped.

The present invention also includes networking using the device described here. A semi-automatic method of cutting material (3) is also provided. it does. Device 15 is discontinuous within a storage bag manufacturing facility. It can be a single unit used for processing or the mesh of the bags. A semi-automatic or automatic bag made of material (3) can be used in the conversion line. In particular, the device 15 large or it is suitable for long fabric, where wastage of fabric is a big problem.

However, this device is suitable for the manufacture of bags of any size. size can be used for fabric or mesh.

In a main aspect of the invention, the semi-automatic cutting device 15 is a cutting device. unit (5), a scanner and defect detector (4), and a defect management includes the control unit (7), where the defect management control unit (7), on the moving mesh material (3) monitors its progress. By a signal or an alarm control unit (9) is created, which is the cut to be created in the mesh material (3). mobile network to decide on its location cutting device (15) for manual inspection of material (3) stops. The device is then restarted and using the breaker (5) cut is created. Manual removal of the defective part, network from the main flow of material into the disposal zone (12). is carried out correctly.

Manual intervention - depending on defolarin location and any two depending on the no-defect length of the mesh material (3) between the faults - allow a portion of the mesh material (3) bearing the defects to be determined. gives the operator to cut the clear length of the mesh material (3) can operate the cutter manually. Ag material (3) standardized cutting, minimizing wasted fabric Allows download.

The inventive device only covers the defective fabric part or length. it will throw it out, so the net (3) that progresses in the desired way will have a long or will save large scale length.

According to another aspect of the present invention, also, bulk storage Defective of large scale or long mesh material (3) for bags including a scanner and a defect detector (4) for detecting areas of A device is also provided. During the detection process, the defective area coordinates are recorded in the defect management control unit (7), this On the other hand, it indicates to the control unit (9) that a defective part of the network has been detected. reports. The control unit (9) then determines the location of the operator defolarin (8) visualize it, thereby advancing the mesh material (3) and the net material (3) to separate the defective net piece from the main fabric. predetermined, instructing the cutter (5) to cut the mesh material (3) that advances in length (L1) immediately from the cutting unit. it first sends a signal to stop. Faulty net expulsion for such operation manually from the main stream of the network material. makes.

List of Persons: l-(fabric or mesh material) ru10(water) 2-reel 3-fabric or mesh (material); cut piece without 3a-def0 (containing mesh) 3b-def01u (containing mesh) cut piece; 4-scanner and def0 detector (unit) - cutting unit or a cutter 6-cut piece stacking platform 7-def0 management control unit 8-def0(s) 9-k0ntr01 unit lO-sensing device ll-backlight unit lZ-discard zone 13-downstream -semi-automatic cutting device or semi-automatic device or cutting device or Device 16-limiting cut lines or limiting cuts L-(predetermined) length Ll-(predetermined) length or predetermined distance annoying cut line D1, D2, D3 and so on - Fabric sections with defects Detailed Description of the Invention General setup of the semi-automatic cutting device 15 of the invention is in Fig. is displayed. This device includes a scanner and defect detector (4) and a large It includes the cutting unit (5) of the invention designed for bulky bags. This the device is made of multiple spools (2) of multiples of the fabric (3). opened on it, followed by the scanner and the defect detector (4). it also shows a fabric roll (1) that it has been scanned. Scanner and defect detector (4) may be of a type that can detect various types of defects. Defo (8) term, from the perspective of suitability for the purpose of considering the mesh material (3) Any unacceptable in the mesh material (3) refers to irregularities. Defects (8) holes, uneven pattern, missing winding end, missing weft thread, jamming of weft thread, straight non-edge lash, mesh seams, one or more mesh layers, foreign particles or any combination of these defects.

Therefore, the scanner and the defect detector (4) are made from a roll of cloth (l). using a sensing device (10) that monitors the fabric (3) as it unravels. It can be a reliable network monitoring system. The sensing device (10) is a camera. or infrared sensors or thickness sensors or image processing may device.

Semi-automatic cutting device (15), plus scanner and defect detector (4) transversely in the mesh material (3) at locations determined by it also has a cutting unit (5) for making cuts. Flawless cut pieces with mesh (3a) a cut piece stacking platform They are stacked on (6), during which defective parts/cut lengths they are sent manually into the discard zone (12).

The device (15) is also a controller that controls the activities of the device (15). It also has a programmable control unit (9). defect locations - which are single or isolated defects or one defect they can be a set - it is variable. The object of the invention is that the mesh material (3) to maximize the defect-free cut length and to minimize the length of defective parts of the material (3).

Depending on the needs of individual customers and the ultimate Depending on the purpose of use, the operator can use the net material (3) independently It can set the required length (L) of the defect-free cut pieces (3a).

The device (15) allows the operator to identify defects (8) or clusters of defects. and allows to cut the parts containing them using the cutter (5).

The device (15) also provides the necessary defect-free part of the mesh material (3). It also allows cutting into long (L) pieces.

Control unit (9), which can be changed according to the individual customer's needs. or minimum distance adjustable so that the mesh material (3) immediately in length (L1), which saves detection of a defect (8) or a set of defects in front of the breaker (5) upon it, it stops the advancing of the mesh material (3), so that the device The operator (15) calculates the area of the mesh material (3) containing the defect (8). can examine.

In the form of an application, the scanner and the defect detector (4), the network to be scanned material (3) is placed horizontally so that the operator makes it easier to carry out the inspection activity. Ag material (3) upon stopping its progression, the operator inspects the mesh material (3) and determines the location of the cut. It is shown with dashed lines in Figure 3. such as, if the operator requires, single faults (8) or a set of defects can determine the location of the interrupted lines (16) containing The cutting of a defective part of the material (3) is determined. Operator, then eliminate the cut piece (3b) containing a defective mesh. network at locations determined by the operator to provide will create the limiting cuts (16) cutter (5) in the material (3) In this way, it initiates the advancement of the mesh material. annoying cuts, is a pair of cuts that define the defective cut piece (3b).

When limiting cuts (16) are created, the operator Using the cutting device (9), the cutting device (15) is used to advance the mesh material (3). restarts. The web material (3) is continuously scanned and Defect-free mesh of any length exceeding the specified length (L) if available, advancing mesh material, mesh material (3) pauses at the cutting unit to create transverse cuts in it.

The control unit (9) is connected to the network before each such cut is created. It ensures that the progress of the material (3) is stopped and the cut After it is created, it initiates the advancement of the mesh material. One when the next defect (8) is detected, the defect of the mesh material (3) to be cut The process of determining the partition is repeated.

The defective cut piece (3b) is manually disconnected from the main stream and is sent to the discard zone (12).

The sensitivity of the scanner and def0 detector (4) can be customized by the individual customer. can be adjusted according to the needs of the customer/operator After detecting the first defect in material (3) predetermining the cut length needed, in this way the device stop, followed by the cutting unit (5) to cut the fabric (3) and the progressive network by manually sending it to the discard zone (12) It has the freedom to command it to remove it from the material (3).

Mesh material (3), mesh and fabric are interchangeable in the following description used in a way that can pass.

Mesh material (3) plastic film, non-woven material, paper, woven mesh material, woven plastic mesh material or may be in the form of a composite material made of any used for large-volume bags in particular, long fabric.

Figure 2 shows another embodiment of the system of the invention. where the scanned mesh plane is vertical. Another application as, the plane of the scanned mesh corresponds to any horizontal (not shown) may be at an angle. Position of scanner and def0 detector (4) The sensing device 10 is a camera or infrared sensors or thickness sensors or image processing device.

As shown in Figure 3, one of the aspects of the invention is the cutting unit (5) and the cutting device (15) containing the scanner and the defect detector (4). apparently shows. Scanner and defect detector (4), fabric (3) monitor a sensing device (10) and a backlight unit (l 1).

When the scanner and defect detector (4) are untied from the cloth roll (l) it is mounted along the path of the moving mesh material (3). Perception device (10) with a camera or infrared sensors or thickness sensors. or even an image processing device that acts as a light sensing device it could be. A defect management control unit (7) from the detection device (10) It processes data about the quality of the received network material (3).

Any defect in any area of the advancing fabric (3) (8) or upon detection of irregularities, a signal defect management sent by the control unit (7) to the control unit (9), which gives the command to stop the device. Upon stopping of the device, the defect (8) its location is determined by the operator and the operator uses the control unit (9). via, the cutting unit (5) only cuts the length of the defective mesh. and manually push the defective cut piece (3b) into the discard zone. (12) initiates a signal to send.

The device (l5) according to the invention controls the operation of the web material roll (l). a completely separate drive controlled fabric feeding unit and a It has a cutting unit (5) and a profile cutting section.

The device (15) with the advancing mesh material (3) containing several defects (8) A schematic view is shown in Figure 3. in the main material the defects (8) are shown as D1, D2, D3, and so on.

Communicating the encoder or the defect management control unit (7) speed of the fabric feeder roller (2) using a similar device. A suitable system for monitoring is also provided. Feeder based on the speed of the authorities (2), the defect management control unit (7), determines the linear velocity of the advancing mesh material (3), then the cutting It determines the speed of the mesh material (3) moving towards the unit (5). Network It is important to know the speed of the mesh material (3) so that the mesh material (3) when defects in (8) are detected and their location is determined, the device (15) immediately cuts off by the control unit (9). unit (5) such that an operator faulty network material and throw the same into the discard zone (12) separates it from the defect-free mesh material that moves by carrying it.

In the absence of defects, the operator can use the control unit (9). cut pieces of predetermined length (L) without defects can create.

The sensitivity or accuracy of the network defect management control unit (7) can be adjusted according to individual customer requirement.

According to the present invention, the sensing device 10 is preset/controllable. The image is compared to the brightness value greater than When it detects an abnormality in the density, a defect (8) A signal indicating the detection of the defect management control unit (7) created by. Containing detected defects (defective parts) fabric sections (Dl, D2, D3, etc.) move in their direction of movement They continue to do so and their progress is monitored. Defective management the control unit (7), communicating with the control unit (9), learns that a defective part of the material is detected. Control unit (9), then the operator will be able to see the location of the defect (8), thus, it will advance the mesh material (3) and the mesh defected from the main fabric into the cutter (5) to cut the mesh material (3) to separate the piece of in advance, depending on the customer's needs, to instruct mesh material (3) that advances at a specified length (Ll) that can be adjusted immediately before the cutting unit sends a signal to stop. Save fabric by setting preset value to minimum can be monitored and executed.

An example of how the device (15) saves mesh material (3) As a result, the material required for the large volume bag will be cut. meters of defect free fabric and the defect (8) is 4 meters of fabric (3) Suppose it appears after the length, so the inventor rather than cutting all 10 meters of mesh material (3), the system only meters of fabric and save the remaining 6 meters of fabric. will. Ag material (3) just before the cutting unit (5) the length (Ll) including the defects (8) is optimized according to the customer's needs. can also be done. Other defective fabrics are in a discard zone (12) collected in. Consisting of cut pieces (3a) containing a flawless mesh, The requested material enters the downstream (l3) bag production line.

Again with regard to the same inventive cutting device (15), the large The material required for the bulky bag will be cut 6 meters without defects If it is fabric and defects (8) appear after 1 meter of fabric (3) length If it does, the inventive system will avoid cutting all 6 meters of mesh material (3). rather, it will cut only 1 meter of fabric and the remaining 5 meters It will save fabric. Immediate cutting of the Ag material (3) the length (L1) with defects (8) before the unit (5), the customer's It can also be optimized according to your needs. Other defective fabrics It is collected in the scrapping zone (12). Containing non-defective mesh Requested material downstream (l3) consisting of cut pieces (3a) the bag enters the production line.

In another aspect of the invention, operating the faulty signal a driven fabric facilitating a controlled movement of fabric onto reel (2) is provided. This is the enclosure of the output of the cutting unit (5). makes it happen.

The number of defects (8) and their length of advancing fabric (3) Its distribution throughout determines the speed of the feed section. speed, downstream (l3) set normal parts moving on the production line control so that it continues to move like this at frequency/speed. Another advantage of the cutting device 15 of the invention is a defective mesh. detected, then only the small length portion containing defects (8) scrapping, however, for bag manufacturing in the traditional system preset value of required mesh material (3) is completely rejected and therefore defective piece after defective piece normal fabric, the material needed for the fabric has been cut is taken into account in its length (L).

Cloth cutting unit (5), hot cutter by heating the web, scanner and defo such as a sharp blade or blade installed after the detector (4) cutting one or more types of fabric profiles that can be cold cutters may have a machine. Operation of any profile cutter, defect management will be based on the defect signal from the control unit (7).

Therefore, from the above description, the following obviously contains the ingredients. 1. Feed from a roll (l) and via a set of pulleys (2) the advancing mesh material (3) moving towards the cutter (5). a semi-automatic device (15) for cutting feature of said device: - defolarin (8) in said mesh material (3) a scanner and defect detector to identify and monitor - a defect management control unit (7), - cut off net material (3) determined to be defective a scrap zone to isolate parts (3b) (12), and - includes a control unit (9), - the network material of said scanner and defect detector (4) scanning in terms of defects (8) and the quality of the mesh material (3) to the defect management control unit (7) sending, of said defect management control unit (7), said defect management control unit (7) processing the data received from the scanner and the defect detector (4). and determine the locations of the defects (8) of said control unit (9), said network material (3) to check its progress and that said defect (8) sound an alarm upon detection and (3) stop its progression, detected defects (8) both to create limiting cuts (16) on the side commands the cutter (5) and the name of a defective cut piece when cut from the passing mesh material (3), said control unit (9), predetermined in the absence of defects for creating flawless cut pieces in length (L) 2. Cutting the advancing mesh material, which includes the following steps a method for: a. using the said scanner and defect detector (4) (3) defects of the advancing mesh material passing through (8) scanned in terms of b. a length that exceeds a predetermined length (L) If no defects are detected for the the passing mesh material (3) becomes defect-free mesh pieces. cutting and further processing of the said defect-free mesh pieces. sent for processing, C. defolarin on said advancing mesh material (3) (8) upon detection, said defect management the control unit (7) sounds an alarm, D. from the breaker (5) using the control unit (9). limiting cut line at a specified distance (Ll), said mesh material (3) stopping the progress to. Defects (8) detected by an operator examining, f. limiter using the control unit (9) of each of the cuts (16), respectively, of the cutter (5). position, said mesh material (3) stopping, and creating the defective part for the limiting cuts (16) using the cutter (5). opening, g. to a discard zone of said defective part. (12) to be sent.

Figure 4 is the communication between some of the various units of the cutting device. It shows a flowchart of the process, where the following steps are a. network advancing by the scanner and defect detector unit (4) within any area of the material (3) defect (8) or examination of irregularities, b. While detecting a database of defects (8) maintaining its location and advancing mesh material to monitor defolarin (8) processing throughout said defect management of the scanner and defect detector unit (4) communicating with the control unit (7), C. According to def0 (8), the def0 management control unit (7) to communicate with the unit (9), D. If the signal is carried to the control unit (9) for the faulty network, 0 time the control unit sounds an alarm and stops the device (l5), so that the operator can see the def0(8) and cut the defective mesh and send it manually to the discard requirement (12) to give a signal to the cutting unit (5) for to. where a signal for the def0-free network is carried to the control unit (9), by the operator and according to the regular cutting process. not being sent to the cutting unit (5), the cutting unit (5) hacking the network without def0 and streaming it down uninterruptedly (l3) direction is sent.

From the above description, the following is the preferred embodiment of the invention It is obvious that it contains forms. In a preferred embodiment, The invention consists of a roll (1) fed and a set of pulleys (2). cutting the advancing mesh material (3) moving towards the cutter (5) provides a semi-automatic cutting device (15) for Invention of the device its constructive aspect is the defect in said mesh material (3) (8) a scanner and def0 detector (4) for detection and monitoring; One def0 management control unit (7); the mesh material (3) is defective a unit and a includes the control unit (9). These components are for the purposes of the invention. they interact perfectly. Browser and def0 the detector (4) can scan the mesh material (3) for defects (8) and def0 management control the data about the quality of the material (3) sends it to the unit (7). Def0 management control unit (7), said can process the data received from the scanner and the def0 detector (4) and so that the defolarin (8) locations on the mesh material (3) are determined. can determine. The control unit (9) controls the progress of the mesh material (3). control and sound an alarm. Also, operator control Detection of said fault (8) using the unit (9) the aforementioned mesh material (3) stops its progress, limiting cuts (16) on both sides of the detected defects (8) command the breaker (5) to create a when the defective cut piece is cut from said mesh material (3), the name it also restarts the progress of the passing mesh material (3). can provide.

In another preferred embodiment, the invention also includes advancing network It also provides a semi-automatic method for cutting material (3).

The invention uses the device described in the previous application and several achieves the objectives of the invention by using the step First, the device using the scanner and the def0 detector (4) to detect the advancing mesh material (3) scans for defects (8). Defolar - manufacture of a product of a certain size The required length is the predetermined length - if an L-length is not detected, the cutter (5) should remove the mesh material (3) without defect. cuts into mesh pieces and further send it for them to see. If a set of def0 or def0(8) is detected, The def0 management controller (7) sounds an alarm and shuts down the controller. (9) stops the advancement of said mesh material (3), so that a limiter cut line is removed from the position of the breaker (5). is set at a predetermined distance (L1). Next step Finally, the operator examines the detected defects and reports to the control unit (9) each time. sequentially moving the limiting cut (16) to the position of the cutter (5) and stopping the advancement of said mesh material (3) and its defect limiter using the cutter (5) to form the part. making the cuts (16) and then a part of the defective piece. commands it to be sent into the discard zone (12).

Although the above recipe contains a lot of originality, this originality should not be understood as a limitation within the scope of the invention, but rather rather as an example of preferred modes of practice of the invention. should be understood. Without departing from the spirit and scope of the invention based on the above description, modifications and It should be noted that variations are possible. According to this, the scope of the invention should not be determined by the application forms shown, rather with the accompanying claims and their legal equivalents. should be determined.

MEANINGS OF THE INSTRUCTIONS IN THE FIGURES A = Ag movement direction B = advancing ag C = Defective management control unit (8) D: Is the network defective? F = Signal is generated G = No H = Machine Control Unit (10) 1 = Has a stop signal been sent for the faulty network? J = Alarm & stop machine K: Downstream L= Defect-free mesh material (Sa) 4 = Scanner and def0 detector (unit) = Cutting unit

Claims (9)

REQUESTS . It is a semi-automatic device (15) for cutting the advancing mesh material (3) fed from a roller (1) and moving towards a cutter (5) over a set of rollers (2), characterized in that the said device (15): a scanner and a def0 detector a def0 management control unit (7) for identifying and tracking defects (8) in said mesh material (3), a discard requirement ( 12), and a control unit (9), said scanner and def0 detector (4) scanning the mesh material (3) for defects (8) and sending data about the quality of the mesh material (3) to the def0 management control unit (7) , said def0 management control unit (7) processes the data received from said scanner and def0 detector (4) and determines the locations of defects (8), said control unit (9) controls the progress of said network material (3) and upon detection of said defect (8) it sounds an alarm and stops the advance of the mesh material (3), commands the breaker (5) to create limiting cuts (16) on both sides of the detected defects (8) and a defect cut piece (3b) ) when cut from said mesh material (3), said mesh material (3) restarts its progress, - said control unit (9) is inserted into the cutter (9) to form defect-free cut pieces (3a) of predetermined length (L) in the absence of defects (8). (5) is the command. . It is a semi-automatic device (15) as claimed in claim 1, wherein said scanner and defect detector (4) are directed to scan said mesh material (3) in its horizontal configuration. . It is a semi-automatic device (15) as claimed in claim 1, wherein said scanner and defect detector (4) are preferably directed to scan said mesh material (3) in its vertical configuration. . A semi-automatic device (l5) as claimed in claims 1 to 3, wherein the fabric (3) that moves after the said scanner and defect detector (4) is unwinded from at least one detection device (10) and the fabric roll (l). consists of at least one backlight unit (l 1) mounted along its path. . It is a semi-automatic device (15) as claimed in claims 1 to 4, wherein said sensing device (10) is selected from a group consisting of camera, infrared sensors, thickness sensors, image processing device. 6. The semi-automatic device (15) as claimed in claims 1 to 5, wherein said advancing mesh material (3) is stopped, said limiting cut (16) to a predetermined distance (Ll) from said breaker (5). ) to bring 7. A semi-automatic method for cutting the advancing mesh material (3) using the device as claimed in claims 1 to 6, characterized in that said method includes the following steps: the name using said scanner and def0 detector (4) scanning the passing mesh material (3) in terms of defects (8), upon not detecting any defects (8) for a length exceeding a predetermined length (L), the said mesh material (3) is cut into net pieces without defects and the said defective mesh parts are sent for further processing, upon detection of defects (8) on said advancing mesh material (3), said def0 management control unit (7) sounds an alarm, using the control unit (9), a predetermined output from the breaker (5) is triggered. stopping the advancement of the said mesh material (3), with the limiting cut line (L1) at the distance, examining the detected defects (8) by an operator, f. using the control unit (9) to bring each of the limiting cuts (16) to the breaker (5) position, in turn, to stop the said mesh material (3), and to open the limiting cuts (16) using the breaker (5) 5 to form the defective part, g . sending said defective part to a scrap zone (12). 8. The semi-automatic method as claimed in claim 7, wherein said scanning of said mesh material (3) is carried out in the vertical configuration of said mesh material (3). 9. The semi-automatic method as claimed in claim 7, wherein said scanning of said mesh material (3) is carried out in the horizontal configuration of said mesh material (3).