Cutting piece cutting identification system

Abstract

The utility model discloses a cut-part cutting identification system which comprises a cutting area and an after-finishing area, a plurality of workbenches are arranged in the cutting area, cutting machines used for processing cut-parts are arranged on the workbenches, a front conveying line is arranged between the cutting area and the after-finishing area, and the front conveying line conveys a carrier clamped with the cut-parts from the cutting area to the after-finishing area. And the after-finishing area is used for carrying out information identification and sub-packaging on the cut-parts. The carrier is provided with a clamp, the clamp is used for clamping and connecting a cutting piece, the cutting area is provided with a card reader, the carrier has readable identity information, and the identity information on the carrier is used for corresponding to the information of the cutting piece; a card reader is arranged in the after-finishing area, and information identification is carried out on the cut-parts according to identity information, read by the card reader, on the carrier. According to the cutting identification system, the cutting pieces can be rapidly machined and formed, the cutting pieces can be conveniently classified and stored in a partitioned mode, and path control can be conducted on the cutting pieces in real time in the follow-up circulation link.

Description

Technical Field

[0001] This utility model relates to a system for marking information on cut pieces that constitute a product after they have been cut from a sheet, so that the cut pieces can be subsequently classified and stored in separate areas. Background Technology

[0002] For large-scale sewing factories, to improve production efficiency, an intensive production model is generally adopted. This typically requires dividing the factory interior into functional zones for centralized, single-processing in each zone. Therefore, a cutting area needs to be set up within the factory to centrally cut and shape the fabric pieces. Simultaneously, the processed fabric pieces need to be stored in similar, zoned areas to ensure a continuous supply of fabric pieces to the sewing areas. The processing factory handles a wide variety of products throughout the year, and different products require different types of fabric pieces, which brings new requirements to the logistics management of fabric pieces within the factory. Existing garment factories usually hang the fabric pieces needed for several garments on a hanger, and then the hanging system sequentially transports them to each workstation to complete the corresponding sewing process. However, this method is not suitable for the production needs of large-scale sewing factories. When dealing with the simultaneous production of garments with different styles and slight size differences, fabric pieces may be mistakenly clamped, resulting in a high rate of defective garments and causing production chaos.

[0003] Chinese patent document (publication number: CN 109352724A) discloses a method for packaging cut pieces, including a control terminal and a projection device. The control terminal stores a cutting file, and the projection device is installed above the worktable of the cutting bed and connected to the control terminal. The control terminal controls the projection device. The method includes the following steps: S1, grouping all cut piece shape data in the cutting file so that each cut piece shape data contains grouping information; S2, the control terminal reads the grouping identifier and obtains the grouping information within the grouping identifier; S3, sequentially traversing all cut piece shape data in the cutting file and comparing whether the grouping information of each cut piece shape data matches the grouping information of the grouping identifier; S4, if they match, the projection device illuminates the cut piece corresponding to each cut piece shape data with light, collects all illuminated cut pieces, obtains all cut pieces in that group, and realizes packaging.

[0004] In the implementation of this method of subcontracting cut pieces, each step requires matching the shape data of the cut pieces and requires the application of various optical instruments, making the operation relatively complicated and the system investment cost high. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a cutting and marking system for cut pieces. This cutting and marking system is easy to implement and can directly mark cut pieces, which facilitates the subsequent storage and circulation of cut pieces.

[0006] To solve the aforementioned technical problem, the present invention provides the following technical solution: a piece cutting and marking system, comprising a cutting area and a finishing area, wherein the cutting area is provided with several workbenches, and a cutting machine for processing pieces is provided on the workbenches; a front conveyor line is provided between the cutting area and the finishing area, and the front conveyor line transports a carrier holding the pieces from the cutting area to the finishing area; the feature is that the finishing area is used for information marking and packaging of the pieces.

[0007] The carrier is equipped with clamps for clamping the cut pieces. A card reader is provided in the cutting area. The carrier has readable identity information, which is used to correspond to the cut piece information.

[0008] A card reader is installed in the post-processing area to identify the cut pieces based on the identity information read from the carrier.

[0009] The readable identification information set on the carrier is generally RFID, but it can also be barcodes, QR codes, or other readable information. RFID, barcodes, or QR codes give each carrier a unique identification, enabling the corresponding conveyor line to transport the target carrier to the appropriate location under the command of the central controller. This identification system ultimately identifies the cut pieces by affixing barcodes, QR codes, or RFID tags, or by laser marking.

[0010] Furthermore, the carrier and the clamp are set separately, and the clamp can be detached from the carrier. The clamp has readable identification information. The carrier uses the clamp to hang the cut piece. The identification information of the clamp and the carrier are bound together, and the corresponding information is marked on the cut piece in the post-processing area according to the identification information of the clamp.

[0011] This allows the carrier to carry multiple clamps at the same time and hang different sizes of cut pieces simultaneously. Only the information binding between the cut pieces and the clamps needs to be realized to clamp and transport the cut pieces without causing production chaos.

[0012] Furthermore, a carrier conveyor line and a fixture conveyor line are provided between the cutting area and the finishing area. In the finishing area, the carriers and fixtures are detached, and the empty carriers are transported to the cutting area via the carrier conveyor line, while the empty fixtures are transported to the cutting area via the fixture conveyor line. By setting up carrier and fixture conveyor lines to transport the corresponding tools separately, the automation level is high, and it is also convenient for subsequent selection of fixtures and carriers.

[0013] Furthermore, the clamp conveyor line is equipped with a number of guide heads equal to the number of worktables, with the outlet end of each guide head facing one worktable. The guide heads are used for clamp arrangement, and the guide heads release the clamps one by one. By setting up the guide heads, the separate structure between the clamps and the carrier can be well accommodated, and the guide heads can well adapt to the arrangement and release requirements of the clamps.

[0014] Furthermore, several robotic arms are positioned at the workbench locations in the cutting area. These robotic arms are communicatively connected to the corresponding cutting machines. Based on the cut piece information transmitted back from the cutting machines, the robotic arms grasp a corresponding number of clamps. After the clamps are loaded onto the carrier, the robotic arms pick up the carriers holding the cut pieces and deliver them to the inlet of the front conveyor line. The cut pieces can be fed into the clamps by the robotic arms, or they can be manually loaded into the clamps and held in place. One robotic arm can be communicatively connected to one cutting machine, or two cutting machines placed close together can be connected. The robotic arms can selectively grasp a corresponding number of clamps based on the size of the cut pieces, load the clamps onto the carrier, and then grasp the cut pieces at the appropriate positions. This allows for the use of multiple clamps for large cut pieces and single clamps for small cut pieces, resulting in good stability of the cut pieces on the carrier and a high degree of automation.

[0015] Furthermore, a screening line is installed between the cutting area and the finishing area. The carrier conveyor line is connected to the screening line. The front conveyor line transports the carrier holding the cut pieces to the inlet end of the screening line. The outlet end of the screening line faces the finishing area. Empty carriers travel from the outlet end of the screening line to the carrier conveyor line. After the clamps enter the finishing area, the information on the clamps is read, and the corresponding information is marked on the cut pieces. The clamps can be removed from the carriers, but the empty carriers remain on the screening line and are connected to the screening line via the carrier conveyor line, allowing the empty carriers to be transported to the cutting area. Alternatively, the carriers and clamps can be removed together from the outlet end of the screening line, and after completing the corresponding work, the empty carriers and empty clamps are sent to the cutting area via the carrier conveyor line and clamp conveyor line, respectively. By setting up the screening line, different cut pieces can be screened, so that different cut pieces can be sent to the corresponding areas in the finishing area, which can effectively improve work efficiency.

[0016] Furthermore, the screening line includes an outer loop and several overload lines bridging the outer loop. A secondary load line is correspondingly positioned outside the overload lines, with one end connected to the upstream side of the outer loop and the other end connected to the overload line. The arrangement of these overload lines and secondary load lines effectively increases the screening line's storage capacity for the carriers, facilitating the flow and screening of the carriers within the screening line.

[0017] Furthermore, an empty container storage area is set up on the container conveyor line, with at least two storage lines arranged side by side in the storage area, each end of which is connected to the container conveyor line. By setting up the empty container storage area, the carrying capacity of the container conveyor line for empty containers can be effectively increased, ensuring a sufficient supply of empty containers to the cutting area. This allows the quantity of empty containers to well meet the working needs of the cutting area, and the working efficiency of the cutting area is not limited.

[0018] Furthermore, the vehicle conveyor line and the front conveyor line are connected in a loop, with a middle line bridging them at the midpoint of their lengths. This middle line allows some empty vehicles to travel from the vehicle conveyor line to the front conveyor line. This effectively simplifies the structure and facilitates the installation of an integrated flexible drive device at the locations of the front and vehicle conveyor lines. The middle line allows some empty vehicles to pass quickly, which effectively meets the requirements of rapid transport of empty vehicles in large cutting areas and reduces the travel distance of empty vehicles on the vehicle conveyor line.

[0019] Furthermore, fabric piece shelves are installed in the finishing area to classify and store labeled fabric pieces in separate sections. Placing these shelves directly in the finishing area effectively improves work efficiency.

[0020] Compared with existing technologies, this invention offers the following advantages: By directly marking information on the cut pieces, it facilitates the classification, partitioning, and large-scale storage of the pieces, effectively meeting the demand for large quantities of cut pieces in large sewing factories. This also facilitates the subsequent transport of cut pieces to target areas, reduces errors in the cut piece flow route, and ensures the operational efficiency of large factories. Directly marking information on the cut pieces provides a foundation for automated factory operations, facilitating automated processes, reducing labor costs, and improving work efficiency. The front conveyor line transports the carriers holding the cut pieces, resulting in high operational efficiency and enabling large-scale processing of cut pieces. Attached Figure Description

[0021] Figure 1 This is a structural diagram of the pattern cutting and marking system.

[0022] In the diagram: 1. Cut piece shelf; 2. Post-processing area; 3. Screening line; 31. Overload line; 32. Sub-carrying line; 4. Carrier; 5. Fixture conveyor line; 6. Cutting machine; 7. Guide head; 8. Front conveyor line; 9. Carrier conveyor line; 10. Intermediate line; 11. Workbench; 12. Storage line. Detailed Implementation

[0023] Referring to the accompanying drawings, this cut piece marking system is used to cut pieces from sheet material and mark them, giving each piece its own identification information. This facilitates centralized, large-scale classification and partitioned storage of the cut pieces. This cut piece marking system is generally suitable for relatively large cut pieces with a certain degree of stiffness, such as leather, tweed, or wool, but its application is not excluded for some softer or smaller fabrics.

[0024] This piece cutting and marking system is installed within the factory, including a cutting area and a finishing area 2, which are arranged side by side. A designated area within the factory is the cutting area, where sheet material is cut into pieces. Multiple workbenches 11 are set up within the cutting area, typically arranged in a row. Pieces are cut from the sheet material at the workbenches 11 according to pre-set requirements. This can be done manually, using a saw-type cutting machine, or a laser cutting machine. When using mechanical cutting, multiple sheets are typically stacked together, and pieces of one type are cut from the stack. The pre-set requirements mainly involve setting the parameters of the pieces, including their shape and size. The mechanical cutting machine 6 is programmed with the pre-input trajectory of the piece's perimeter to determine its shape and size.

[0025] In the cutting area, the cut pieces are clamped onto the fixtures to complete the clamping step. The fixtures can be fixedly attached to carrier 4, or they can be detached from carrier 4. Carrier 4 has readable identification information, which is associated with the cut piece information. The conveyor line transports carrier 4, fixtures, and cut pieces. Card readers can be installed at certain joints on the conveyor line to read the identification information of carrier 4. The central controller on the conveyor line uses the identification information of carrier 4 to confirm the location of carrier 4 and selects the optimal path based on the actual production situation. This requires sending a signal to instruct the track-changing mechanism on the conveyor line to work, so that the target carrier 4 changes track to the designated path, ultimately enabling the target carrier 4 to reach the target area. The structure of a conveyor line generally includes parallel conveyor rails and a flexible drive mechanism. The drive mechanism is generally a drive chain or drive belt. Several brushes or drive rods extending toward the conveyor rails are provided on the drive mechanism. The carrier 4 has a hooking structure for attaching to the conveyor rails. The hooking structure is generally a rotatable roller. The drive mechanism drives the carrier 4 so that the hooking structure slides or rolls forward on the conveyor rails.

[0026] The conveyor line includes a front conveyor line 8, which is positioned in the cutting area. The front conveyor line 8 transports the carriers 4, which hold the cut pieces, to the rear processing area 2. In the rear processing area 2, the cut piece information is marked. The operator can read the identification information on the carriers 4 using a handheld card reader. When multiple sizes of cut pieces are held on a single carrier 4, the handheld card reader reads the identification information on the carriers, thus marking the corresponding information on the cut pieces. When only one type of cut piece is held on the carrier 4, the identification information on the carrier 4 can be matched with the cut piece identification information. Since the identification information on the carriers can be bound to the identification information on the carrier 4, the identification information on the cut pieces also corresponds to the identification information on the carrier 4. When marking the cut piece identification information, each cut piece can be marked, or the outer surface of one or two cut pieces on the outside of a stack of cut pieces can be marked.

[0027] Since the cutting area involves the large-scale cutting of fabric pieces to supply corresponding functional areas throughout the factory, storage of these pieces becomes necessary. Therefore, in the finishing area 2, the fabric pieces are removed from the fixtures, and different types are packaged separately, grouping similar pieces together before transporting them to the storage area. This achieves classified and zoned storage of fabric pieces. Typically, fabric piece shelves 1 are installed on opposite sides of the finishing area 2, and labeled fabric pieces are categorized and stored on these shelves. The quantity and type of fabric pieces cut in the cutting area, as well as their storage locations, are fed back to the central controller. When the fabric pieces are subsequently used in the sewing process, the central controller instructs personnel or appropriate machinery to retrieve the target fabric pieces from the storage area, ensuring a consistent supply.

[0028] The carrier 4 and the clamp can be configured as separate units, and the clamp can be detached from the carrier 4. The clamp can move between corresponding areas as a separate component, and the empty carrier 4 can also move between corresponding areas as a separate component. The clamp performs the function of clamping the cut pieces, and the carrier 4 performs the function of attaching and transporting the clamp. The clamp also has readable identification information, which is often identified using RFID. In the clamping step, the clamp is loaded onto the carrier 4. The cut pieces can be clamped onto the clamp first, and then the clamp is attached to the carrier 4, or the clamp can be attached to the carrier 4 first, and then the cut pieces can be clamped using the clamp. Two card readers can be used to read the identification information of both the clamp and the carrier 4 simultaneously. The card readers transmit the read information to the central controller, which then associates the two pieces of information, thereby achieving information binding. In the finishing area 2, operators use handheld card readers to read the identification information of the fixtures. These readers communicate with the central controller, allowing them to identify the cut pieces held in the fixtures, mark them, and store them in a corresponding area. This area is then associated with the fixture identification information by the central controller. This ensures that the desired cut piece can be found in the target area during subsequent piece release. If the identification information on the target cut piece is read by the card reader at the corresponding location during subsequent flow, the central controller, based on the production order, controls the corresponding track-changing mechanism on the conveyor line to ensure the target cut piece moves along a predetermined path, sequentially reaching each process step to complete the sewing process from cut piece to finished product. In the finishing area 2, the cut pieces need to be detached from the fixtures, and the carrier 4 and fixture also need to be detached. Empty carrier 4 is transported to the cutting area via carrier conveyor line 9, and empty fixture is transported to the cutting area via fixture conveyor line 5. An empty carrier 4 storage area is set up on the carrier conveyor line 9. At least two storage lines 12 are set up side by side in the empty carrier 4 storage area, and the two ends of these storage lines 12 are respectively connected to the carrier conveyor line 9. The empty carrier 4 and the empty clamp arrive at the cutting area separately. When clamping and transporting the cut pieces, the clamp needs to be loaded onto the carrier 4.

[0029] The fixture conveyor line 5 runs through the entire cutting area. Several guide heads 7 are installed on the end of the fixture conveyor line 5 facing the cutting area. The number of guide heads 7 is the same as the number of worktables 11, and the exit end of each guide head 7 faces one worktable 11. Guide grooves are provided inside the guide heads 7. The fixture has a traveling part, generally in the form of a roller structure, arranged within the guide grooves, with the main body of the fixture extending downwards. The fixture has movable jaws, which can be clamped and released by the engagement of nuts and studs; or they can be elastically opened or clamped by using springs or torsion springs. A distributing device can be installed at the exit end of the guide heads 7 to release the fixtures one by one from the exit end of the guide heads 7. Alternatively, a spring can be installed at the exit end of the guide heads 7 to elastically limit the traveling part of the fixture, allowing the fixtures to be pulled off one by one from the exit end of the guide heads 7 by a robotic arm or manually.

[0030] Each workbench 11 in the cutting area is equipped with a cutting machine 6, which is used for rapid cutting of the cut pieces. The parameters of the cut pieces to be cut are input into the cutting machine 6, which then cuts the sheet material on the workbench 11 according to these parameters, resulting in cut pieces of the corresponding shape and size. These parameters are also recorded by the central controller, which also records the specific cutting machine 6's number. Through this information binding, the central controller can monitor the position and quantity of the cut pieces. A robotic arm is installed in the cutting area, communicating with the cutting machines 6. One robotic arm can communicate with one cutting machine 6 or two adjacent cutting machines 6. Based on the cut piece information transmitted back from the cutting machines 6, the robotic arm grasps the corresponding number of grippers. If the cut piece size is small, the robotic arm grasps one gripper from the guide head 7 exit end; if the cut piece size is large, the robotic arm grasps two or three grippers one by one from the guide head 7 exit end. After the clamp is loaded onto the carrier 4, the robotic arm grabs the carrier 4 with the cut pieces clamped on it and sends it to the inlet end of the front conveyor line 8. The front conveyor line 8 then transports the cut pieces to the rear sorting area 2 via the carrier 4.

[0031] Sometimes, there are many types of cut pieces, and multiple cutting machines 6 work together. If these cut pieces are all transported to the finishing area 2 at once, it will put a lot of pressure on the finishing area 2 and easily cause chaos. Therefore, a screening line 3 is set up between the cutting area and the finishing area 2. The front conveyor line 8 transports the carriers 4 holding the cut pieces to the inlet end of the screening line 3, and the outlet end of the screening line 3 faces the finishing area 2. The central controller communicates with the card reader installed on the screening line 3. The card reader reads the identification information on the clamps or carriers 4, and combines it with the cut piece parameter information input from the cutting machine 6 to initially classify the corresponding carriers 4 on the screening line 3 for preliminary screening of the cut pieces. This allows roughly similar cut pieces to be concentrated at one or more close outlet ends of the screening line 3, thereby reducing the workload of the finishing area 2. In the finishing area 2, the operator removes the clamp holding the cut pieces from the carrier 4 at the exit end of the screening line 3, reads the information on the clamp, combines it with the cut piece parameters recorded by the central control, and then marks the corresponding information on the cut piece. The empty carrier 4, which is connected to the screening line 3 via the carrier conveyor line 9, moves onto the carrier conveyor line 9 and is eventually transferred to the cutting area.

[0032] The screening line 3 includes an outer ring line and several overload lines 31 that are parallel to the outer ring line. The vehicle conveyor line 9 is connected to the outer ring line. In order to improve the carrying capacity of the screening line 3 for the vehicle 4, a secondary load line 32 is set on the outside of the overload line 31. One end of the secondary load line 32 is connected to the upstream side of the outer ring line, and the other end is connected to the overload line 31.

[0033] The vehicle conveyor line 9 and the front conveyor line 8 form a closed loop. A middle line 10 is bridged at the midpoint of the length of both lines, allowing some empty vehicles 4 to travel from the vehicle conveyor line 9 to the front conveyor line 8. The middle line 10 includes a middle rail, with its two ends facing the vehicle conveyor line 9 and the front conveyor line 8 respectively. A track-changing mechanism is movably installed at each end of the middle rail, enabling the empty vehicle 4 to enter the middle rail from the vehicle conveyor line 9 and from the middle rail onto the front conveyor line 8. The middle rail can be inclined, utilizing gravity to allow the empty vehicle 4 to pass; alternatively, a brush-type flexible pushing mechanism can be installed on the middle rail to propel the empty vehicle 4 smoothly across. Correspondingly, the aforementioned overload line 31 and auxiliary load line 32 have a similar structure to the middle line 10.

[0034] The identification information involved is equivalent to assigning numbers to vehicle 4 and fixture. Different vehicles 4 have different identification information, and different fixtures also have different identification information. A factory can internally formulate a set of information encoding rules, and then form a set of readable information codes within the framework of these rules.

Claims

1. A pattern piece cutting and marking system, comprising a cutting area and a finishing area, wherein the cutting area is provided with a plurality of workbenches, and a cutting machine for processing pattern pieces is provided on the workbenches; a front conveyor line is provided between the cutting area and the finishing area, the front conveyor line conveying a carrier holding pattern pieces from the cutting area to the finishing area, characterized in that, The post-processing area is used for information labeling and packaging of the cut pieces; The carrier is equipped with clamps for clamping the cut pieces. A card reader is provided in the cutting area. The carrier has readable identity information, which is used to correspond to the cut piece information. A card reader is installed in the post-processing area to identify the cut pieces based on the identity information read from the carrier.

2. The panel cutting identification system according to claim 1, wherein, The carrier and clamp are separate units. The clamp can be detached from the carrier and has readable identification information. The carrier uses the clamp to hang the cut pieces. The identification information of the clamp and the carrier are bound together. Corresponding information is marked on the cut pieces in the post-processing area based on the identification information of the clamp.

3. The panel cutting identification system of claim 2, wherein, Between the cutting area and the finishing area, there are carrier conveyor lines and fixture conveyor lines; in the finishing area, the carriers and fixtures are separated, and the empty carriers are transported to the cutting area via the carrier conveyor line, and the empty fixtures are transported to the cutting area via the fixture conveyor line.

4. The panel cutting identification system according to claim 3, wherein, The clamp conveyor line is provided with a number of guide heads equal to the number of worktables. The outlet end of each guide head faces a worktable. The guide heads are used for clamp arrangement and release the clamps one by one.

5. The panel cutting identification system according to claim 3 or 4, characterized in that, Several robotic arms are installed in the cutting area corresponding to the workbench. The robotic arms are connected to the corresponding cutting machines. The robotic arms grab the corresponding number of clamps according to the cutting piece information transmitted back by the cutting machines. After the clamps are loaded onto the carrier, the robotic arms grab the carrier with the cutting pieces and send it to the inlet end of the front conveyor line.

6. The panel cutting identification system according to claim 5, wherein, A screening line is set between the cutting area and the finishing area. The carrier conveyor line is connected to the screening line. The front conveyor line transports the carrier with the cut pieces to the inlet end of the screening line. The outlet end of the screening line faces the finishing area. The empty carrier moves from the outlet end of the screening line to the carrier conveyor line. After the clamp enters the finishing area, the information on the clamp is read and then the corresponding information is marked on the cut pieces.

7. The panel cutting identification system of claim 6, wherein, The screening line includes an outer ring line and several overload lines that are bridged in parallel on the outer ring line. A secondary load line is set on the outside of the overload line, with one end of the secondary load line connected to the upstream side of the outer ring line and the other end connected to the overload line.

8. The panel cutting identification system according to claim 3 or 4, wherein An empty vehicle storage area is set up on the vehicle conveyor line, and at least two storage lines are set up side by side in the empty vehicle storage area, with the two ends of these storage lines connected to the vehicle conveyor line respectively.

9. The fabric piece cutting and marking system according to claim 3 or 4, characterized in that, The vehicle conveyor line and the front conveyor line are connected to form a loop. A middle line is bridged at the midpoint of the length of the vehicle conveyor line and the front conveyor line, and the middle line allows some empty vehicles to travel from the vehicle conveyor line to the front conveyor line.

10. The panel cutting identification system according to any one of claims 1 to 4, wherein Cutting piece shelves are set up in the back sorting area. These shelves are used to classify and store the labeled cutting pieces in separate sections.

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