Adhesive bandage forming and packaging integrated machine

Abstract

The utility model discloses a kind of adhesive plaster forming packaging integrated machines, belong to medical consumable production equipment field.The equipment includes butt joint setting body one and body two, body one integrated bottom film pretreatment, gel vacuum adsorption transfer, automatic folding of insertion strip, multilayer step-by-step adaptive composite, accurate roll cutting forming and online visual quality inspection structure, and insertion strip, release film unwinding mechanism can be slidably adjusted to adapt to multi-specification production;Body two integrated double-path film material correction, film material covering compression, heat sealing, easy-to-tear port forming, sizing cutting structure, automatic rejection station and three-level partition scrap edge recycling system matched with visual detection hard linkage.The utility model solves the technical problems of traditional equipment material adaptability, low gel bonding precision, poor composite effect, no closed-loop quality inspection rejection, waste material recycling confusion, process disconnection, high forming precision, high degree of automation, high yield, high raw material utilization, adapt to multi-specification adhesive plaster scale continuous production.

Description

Technical Field

[0001] This utility model belongs to the technical field of medical wound dressing production equipment, specifically relating to an integrated machine for wound dressing forming and packaging. Background Technology

[0002] Band-aid production involves core processes such as gel bonding, multi-layer substrate lamination, finished product cutting, and outer packaging. Existing conventional band-aid production equipment mostly employs separate, stand-alone machines, with molding and packaging equipment operating independently. Semi-finished products require manual transfer, resulting in poor process integration and low automation. Furthermore, existing technologies have several inherent drawbacks: First, existing equipment cannot achieve automatic folding of inserts or precise feeding of release film. The unwinding position of multi-layer materials is fixed, making it unsuitable for the production of different specifications of bandages and resulting in poor versatility. Second, traditional gel bonding relies solely on simple pressing and conveying, lacking a vacuum adsorption structure for precise transfer. Gel monomers are prone to shifting and falling off, leading to low lamination accuracy. Third, the pressure of traditional lamination mechanisms is not adjustable, failing to meet the lamination needs of multi-layer substrates of varying thicknesses. This results in inconsistent bonding tightness and a high rate of finished product defects. Fourth, existing equipment lacks a layered waste edge sorting and recycling structure, leading to mixed recycling of various waste materials and low raw material utilization. Fifth, the molding inspection and packaging rejection processes are independent, lacking a signal linkage closed loop. Defective products cannot be accurately rejected, resulting in poor product quality stability. Sixth, traditional equipment cannot achieve integrated continuous production of molding, lamination, quality inspection, and packaging, resulting in low production efficiency.

[0003] In summary, existing technologies suffer from poor material compatibility, low molding and composite precision, low automation integration, lack of closed-loop quality inspection and rejection, and non-standard waste recycling, making them unable to meet the demand for high-precision, large-scale, and multi-specification automated production of wound dressings. Utility Model Content

[0004] Addressing the existing pain points in the industry, where most wound dressing production lines consist of separate molding and packaging machines with semi-finished products relying on manual transfer, and suffer from issues such as fixed material unwinding positions, limited compatibility with specific specifications, easy gel misalignment during application, inability to adapt to varying composite pressures, lack of linkage between molding inspection and packaging rejection, and mixed waste recycling, this invention provides an integrated docking wound dressing molding and packaging machine. The machine integrates the molding host and the packaging host, simultaneously optimizing five dimensions: adjustable material conveying, precise gel application, multi-layer step-by-step lamination, closed-loop quality inspection and rejection, and classified waste recycling. This achieves continuous, automated, closed-loop production throughout the entire process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bandage forming and packaging integrated machine, comprising a machine body one and a machine body two connected together, wherein the machine body one is equipped with a bandage forming device, and the machine body two is equipped with a bandage packaging device; the bandage forming device includes a bottom film unwinding mechanism, a gel unwinding and forming mechanism, an insert folding and unwinding mechanism, a release film unwinding mechanism, a first traction composite mechanism, a second traction composite mechanism, a roll cutting forming mechanism, and a finished product inspection and conveying mechanism; the bandage packaging device includes a packaging upper film unwinding mechanism, an upper film correction device, and a packaging lower film unwinding mechanism. The machine includes a roll-up mechanism, a lower film guide, an upper and lower film pressing and traction mechanism, a heat-sealing mechanism, an easy-tear forming mechanism, and a finished bag rolling and cutting mechanism. The machine body is equipped with a sliding rail, and the insert folding and unwinding mechanism and the release film unwinding mechanism can be slidably and adjustablely installed on the sliding rail to achieve multi-material unwinding position adaptation and adjustment. The whole machine is equipped with a three-level zoned independent waste edge recycling system, and the finished product detection and conveying mechanism is hard-linked with the unqualified rejection station signal of the machine body, realizing a closed-loop integrated operation of bandage forming, multi-layer precision lamination, online visual quality inspection, fully automatic packaging, waste edge classification and recycling, and automatic rejection of defective products.

[0006] Furthermore, the bottom film unwinding mechanism includes a bottom film unwinding shaft, a bottom film alignment device, a release film peeling guide roller, and a bottom film release paper take-up shaft. The bottom film roll is output from the bottom film unwinding shaft and after being aligned by the bottom film alignment device, it is sent to the first traction composite mechanism for traction and conveying. The bottom film passes around the release film peeling guide roller to complete the release film peeling. The peeled bottom film release film is taken up by the bottom film release paper take-up shaft.

[0007] Furthermore, the gel unwinding and forming mechanism includes a gel unwinding shaft, a gel rolling cutter, an adsorption film feeding roller, and a gel waste edge take-up shaft. The adsorption film feeding roller has adsorption holes evenly distributed on its peripheral wall. The gel roll is output from the gel unwinding shaft and cut into independent gel monomers by the gel rolling cutter. The adsorption film feeding roller adsorbs the gel monomers through the adsorption holes and accurately transfers them to the surface of the traveling base film. The waste edges generated by cutting the gel roll are taken up and recycled by the gel waste edge take-up shaft.

[0008] Furthermore, the first traction composite mechanism includes a base body, on which a bottom roller, a traction roller, and a vertically movable pressure roller are sequentially mounted from bottom to top. The bottom roller and the traction roller form a bottom film traction station, and the traction roller and the pressure roller form a gel-bottom film composite station. The pressure roller is rotatably mounted on a lifting seat, which is driven to rise and fall by a cylinder to achieve adaptive adjustment of the composite pressure.

[0009] Furthermore, the insert folding and unwinding mechanism includes an insert feeding shaft, a first S-shaped traction roller assembly, and a folding plate, wherein the folding plate has a V-shaped groove; the insert roll is output from the insert feeding shaft, and after being properly conveyed by the first S-shaped traction roller assembly, it is automatically folded and output through the V-shaped groove of the folding plate.

[0010] Furthermore, the release film unwinding mechanism includes a release film unwinding shaft, a second S-shaped positioning traction roller assembly, and an output roller. The release film roll is output from the release film unwinding shaft, and after the positioning is corrected by the second S-shaped positioning traction roller assembly, it is output directionally by the output roller. The release film unwinding mechanism can be set to multiple sets according to production specifications.

[0011] Furthermore, a first S-shaped traction roller assembly and a second S-shaped traction roller assembly are matched below the sliding track. The first S-shaped traction roller assembly and the second S-shaped traction roller assembly have the same structure, both including an inlet guide roller, a traction conveying roller and an outlet guide roller, to realize the orderly and synchronous conveying of insert strips and release film.

[0012] Furthermore, the second traction composite mechanism includes a mounting base, a lifting roller, a composite traction roller, and a composite guide roller. The lifting roller is driven to move vertically by a lifting cylinder. After the folded insert and release film are combined by the composite guide roller, they enter the space between the lifting roller and the composite traction roller together with the bottom film of the bonded gel monomer, thus completing the integrated composite of multiple materials.

[0013] Furthermore, the roll forming mechanism includes a mounting frame, a lower roller cutter, and an upper roller cutter. The lower roller cutter and the upper roller cutter are rotatably mounted on the mounting frame. The multi-layer composite material is cut and separated into independent finished bandages and waste materials by the upper and lower roller cutters. The waste materials are recycled by the waste material reel, and the finished bandages fall into the finished product inspection and conveying mechanism for transport.

[0014] Furthermore, the finished product inspection and conveying mechanism includes a finished product conveyor belt and a position offset camera detection sensor. The end of the finished product conveyor belt is equipped with a lower film winding roller, and the position offset camera detection sensor is mounted above the finished product conveyor belt to detect the bandage forming offset defect in real time and transmit the defect signal synchronously.

[0015] Furthermore, the packaging upper film unwinding mechanism includes an upper film shaft and an upper film roll, which is conveyed after being corrected by an upper film alignment device; the packaging lower film unwinding mechanism includes a lower film shaft and a lower film roll, which is corrected by a lower film alignment device and then receives the finished bandages output from the finished product conveyor belt via a lower film winding roller; after the upper and lower film rolls are covered and pressed together by the upper and lower film pressing and traction mechanism, they are sequentially heat-sealed by the heat sealing mechanism, the easy-tear forming mechanism cuts the easy-tear opening, and the finished bag rolling and cutting mechanism cuts them to length to form an independent packaged finished bag.

[0016] Furthermore, the three-level zoned waste edge recycling system includes a gel waste edge winding shaft, a bottom film release paper winding shaft, and a finished bag waste edge winding shaft, which independently recycle gel cutting waste edges, bottom film peeling release paper, and packaging bag cutting waste edges; the unqualified rejection station is installed on the finished packaging conveyor belt of the second machine body and is hard-linked with the position offset camera detection sensor signal to realize the automatic and accurate rejection of defective finished bags.

[0017] The machine is divided into two main functional units that connect front and rear: the first machine body serves as the forming unit, which completes substrate pretreatment, gel application, automatic folding of inserts, multi-layer lamination, single-piece cutting, and online visual inspection; the second machine body serves as the integrated packaging unit, which completes film material correction and wrapping, heat sealing, easy-tear forming, finished product cutting, and automatic rejection of defective products. The two machine bodies are seamlessly connected, eliminating the need for manual transfer of semi-finished products.

[0018] The core innovations of this equipment are divided into five major improvement modules: Multi-specification adjustable material unwinding module: The machine body is equipped with a transverse sliding track. The strip folding unwinding mechanism and multiple release film unwinding mechanisms can slide and adjust their installation positions along the track. Combined with the S-shaped positioning traction roller assembly, it stabilizes the material tension and conveying trajectory, and can quickly adapt to the production of wound dressing substrates of different widths and layers, greatly improving the equipment's versatility. Vacuum adsorption precision gel transfer module: The gel unwinding is equipped with an adsorption film feeding roller with adsorption holes. After the gel roll is cut into individual units, it is transferred to the base film by negative pressure adsorption. It is equipped with a liftable cylinder pressure-adjustable first traction composite mechanism, which can adaptively adjust the composite pressure according to the thickness of the base film and gel, and solve the problems of gel offset, detachment and loose bonding. Step-by-step multi-layer composite molding module: It is set with two-stage composite stations. The first stage completes the bonding of gel and bottom film. The second stage combines the folded insert and multi-layer release film to complete the overall stacking and composite. Combined with the upper and lower roller cutting mechanism, it cuts individual wound dressing pieces in one go. The multi-layer substrate composite has high flatness and stable molding dimensional accuracy. Signal hard linkage closed-loop quality inspection rejection module: The camera sensor in the forming section collects the product forming defect signal in real time. The signal is synchronously transmitted to the non-conforming rejection station in the back-end packaging station. The two are directly connected by hardware signals, which can accurately locate and automatically reject packaged finished products with forming defects, realize the interception of defective products throughout the process, and improve the yield rate. The three-level zoned independent waste edge recycling module: Independent winding shafts are set up for gel cutting waste, bottom film peeling release film, and packaging bag cutting waste. The three types of waste are wound up separately, which facilitates waste recycling and reduces raw material loss and production costs.

[0019] Compared to traditional separate single-unit equipment, this utility model has several technical advantages: the whole machine is integrated for continuous operation, eliminating the need for manual transfer of semi-finished products and significantly improving production efficiency; the adjustable sliding unwinding structure adapts to multiple product specifications, making the equipment more widely applicable; the vacuum adsorption adhesive + adaptive pressure composite structure greatly reduces the gel adhesion failure rate; the molding inspection and packaging rejection hardware linkage enables full-process defect control; the classified waste recycling system improves raw material utilization and reduces overall production costs, meeting the needs of large-scale, high-precision continuous production of medical wound dressings.

[0020] Beneficial effects of this utility model 1. This utility model features a sliding and adjustable insert and release film unwinding structure, combined with an S-shaped traction component, which allows for flexible adjustment of the unwinding position and material tension according to product specifications. This solves the problems of poor adaptability and material movement deviation in traditional equipment, and greatly improves the equipment's versatility.

[0021] 2. This utility model uses an adsorption film feeding roller with adsorption holes to realize vacuum adsorption transfer of gel monomers. Combined with a liftable and pressure-adjustable first composite mechanism, it can achieve precise gel bonding and adaptive adjustment of composite pressure, completely solving the defects of gel offset, detachment, and loose composite, and significantly improving the molding accuracy.

[0022] 3. This utility model integrates an automatic folding structure for the V-groove insert, combined with a double-layer step-by-step composite process, to achieve orderly stacking and composite of multiple layers of materials, including insert, release film, gel, and base film. The multi-layer composite has high consistency and the product structure is regular.

[0023] 4. This utility model sets up a closed-loop structure that links the forming visual inspection and packaging rejection, realizing pre-defect detection and precise back-end rejection, preventing defective products from flowing out, and greatly improving the yield of finished products.

[0024] 5. This utility model adopts a three-level zoned independent waste edge recycling system, which separately recycles gel waste edge, bottom film release film, and packaging waste edge, resulting in high raw material utilization and low production cost.

[0025] 6. This utility model realizes integrated continuous operation of the entire process of molding, lamination, quality inspection, docking and packaging, heat sealing, easy tearing, cutting, waste edge recycling and defective rejection, without the need for manual transfer, and greatly improves the degree of automation and production efficiency.

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0027] Figure 1 This is a structural diagram of a specific embodiment of the present utility model; Figure 2 This is a structural diagram of the fuselage in a specific embodiment of the present utility model; Figure 3 This is a structural diagram of fuselage two in a specific embodiment of this utility model; Figure 4 This is a partial structure of the fuselage in a specific embodiment of the present utility model. Figure 1 ; Figure 5 This is a partial structure of the fuselage in a specific embodiment of the present utility model. Figure 2 .

[0028] Explanation of reference numerals in the attached drawings: 1. Machine body one; 2. Machine body two; 3. Bottom film unwinding mechanism; 4. Gel unwinding and forming mechanism; 5. Insert strip folding and unwinding mechanism; 6. Release film unwinding mechanism; 7. First traction composite mechanism; 8. Second traction composite mechanism; 9. Roll cutting and forming mechanism; 10. Finished product inspection and conveying mechanism; 11. Packaging upper film unwinding mechanism; 12. Upper film guide; 13. Packaging lower film unwinding mechanism; 14. Lower film guide; 15. Upper and lower film pressing and traction mechanism; 16. Heat sealing mechanism; 17. Easy-tear forming mechanism; 18. Finished bag rolling and cutting mechanism; 19. Sliding track; 301. Bottom film unwinding shaft; 302. Bottom film guide; 303. Release film peeling guide roller; 304. Bottom film release paper take-up shaft; 401. Gel unwinding shaft; 402. Gel rolling and cutting device; 403. Adsorption film feeding roller; 404. Gel waste edge take-up shaft; 701, base; 702, bottom roller; 703, traction roller; 704, pressure roller; 705, lifting seat; 706, cylinder; 501, insert strip feeding shaft; 502, first S-shaped traction roller assembly; 503, folding plate; 601, release film feeding shaft; 602, second S-shaped traction roller assembly; 603, guide roller; 801, mounting base; 802, lifting roller; 80 3. Composite traction roller; 804. Composite guide roller; 901. Mounting frame; 902. Lower roller; 903. Upper roller; 1001. Finished product conveyor belt; 1002. Position offset camera detection sensor; 1003. Lower film winding roller; 1101. Upper film shaft; 1301. Lower film shaft; 1501. Upper and lower film pressing and traction mechanism; 1801. Finished bag waste edge winding shaft; 20. Defective rejection station. Detailed Implementation

[0029] The present invention will be described in detail below through embodiments, which are only used to further illustrate the present invention and should not be construed as limiting the scope of protection of the present invention.

[0030] like Figure 1 — Figure 5 As shown in the figure, this embodiment discloses an integrated bandage forming and packaging machine, which consists of a machine body 1 and a machine body 2 arranged in a docking manner. The machine body 1 is the main machine for forming bandages, which completes the pretreatment of the base film, gel bonding, folding of the insert strip, multi-layer lamination, finished product roll cutting and visual quality inspection. The machine body 2 is the fully automatic packaging machine, which completes the film material correction and wrapping, heat sealing, easy-tear forming, finished product cutting and defective rejection. The whole machine realizes fully automated closed-loop production of the entire process.

[0031] The bottom film unwinding mechanism 3 of the machine body 1 includes a bottom film unwinding shaft 301, a bottom film correction device 302, a release film peeling guide roller 303, and a bottom film release paper take-up shaft 304. The bottom film roll is output from the bottom film unwinding shaft 301. First, it passes through the bottom film correction device 302 to correct the material deviation and ensure the straightness of the bottom film conveying. After correction, the bottom film enters the traction station of the first traction composite mechanism 7 for conveying. Then, it passes around the release film peeling guide roller 303. The corner structure of the guide roller is used to completely peel off the protective release film of the bottom film. The peeled release film is automatically wound up by the bottom film release paper take-up shaft 304 to complete the bottom film pretreatment.

[0032] The gel unwinding and forming mechanism 4 of the machine body 1 includes a gel unwinding shaft 401, a gel rolling cutter 402, an adsorption film feeding roller 403, and a gel waste edge take-up shaft 404. The adsorption film feeding roller 403 is uniformly provided with adsorption holes around its circumference. The gel roll is continuously unwound by the gel unwinding shaft 401 and enters the gel rolling cutter 402 to be cut into individual gel units. The cut gel units are adsorbed and fixed by the negative pressure of the adsorption holes of the adsorption film feeding roller 403, and are precisely transferred and bonded to the pre-treated base film traveling at a uniform speed below as the roller rotates, realizing the fixed-point bonding of the gel units. The continuous waste edges remaining after cutting the gel roll are uniformly wound up and recycled by the gel waste edge take-up shaft 404.

[0033] The first traction and lamination mechanism 7 includes a base 701, on which a bottom roller 702, a traction roller 703, and a liftable pressure roller 704 are sequentially mounted from bottom to top. The bottom roller 702 and the traction roller 703 work together to achieve stable traction of the bottom film. The pressure roller 704 is connected to a cylinder 706 through a lifting seat 705, and can adaptively adjust the pressing height and lamination pressure according to the thickness of the substrate. The traction roller 703 and the pressure roller 704 work together to stably press and adhere the gel monomers to the surface of the bottom film, completing the initial lamination of the bottom layer.

[0034] A sliding rail 19 is installed on the top of the machine body 1. The sliding rail 19 can be slidably and adjustably mounted with the insert folding and unwinding mechanism 5 and multiple sets of release film unwinding mechanisms 6 to adapt to the production needs of different specifications of bandages. The insert folding and unwinding mechanism 5 includes an insert unwinding shaft 501, a first S-shaped positioning traction roller assembly 502, and a folding plate 503 with a V-shaped groove. After the insert roll is unwound, the tension and positioning are regulated by the first S-shaped positioning traction roller assembly 502, and then the insert is automatically folded in half by the V-shaped groove of the folding plate 503 to ensure uniform folding accuracy.

[0035] The release film unwinding mechanism 6 includes a release film unwinding shaft 601, a second S-shaped traction roller assembly 602, and an output roller 603. After the release film roll is corrected for deviation and tension is stabilized by the second S-shaped traction roller assembly 602, it is output in a directional manner by the output roller 603. Both the first S-shaped traction roller assembly 502 and the second S-shaped traction roller assembly 602 include an inlet guide roller, a traction conveying roller, and an output guide roller, which have a unified structure and stable conveying.

[0036] The second traction composite mechanism 8 includes a mounting base 801, a lifting roller 802, a composite traction roller 803, and a composite guide roller 804. The lifting roller 802 is driven by a lifting cylinder to finely adjust the composite gap. After the folded insert and the multi-layer release film are merged and superimposed by the composite guide roller 804, they are simultaneously fed into the space between the lifting roller 802 and the composite traction roller 803 along with the base film for bonding the gel, thus completing the multi-layer integrated composite of the base film, gel, insert, and release film. The composite layer structure is flat and tightly bonded.

[0037] The roll forming mechanism 9 includes a mounting frame 901, a lower roll cutter 902 and an upper roll cutter 903 arranged opposite to each other. The multi-layer composite material passes continuously between the lower roll cutter 902 and the upper roll cutter 903 and is precisely cut into independent single-piece bandage finished products. The edge waste generated by cutting is recycled by the waste material rewinding shaft. The formed bandage finished products fall smoothly into the finished product conveyor belt 1001 of the finished product inspection and conveying mechanism 10.

[0038] A position offset camera sensor 1002 is installed above the finished product conveyor belt 1001 to collect images of the finished product in real time, detect defects such as forming offset, overlapping misalignment, and material shortage, and store the defect location and signal in real time and transmit them synchronously to the machine body 2; a lower film winding roller 1003 is set at the end of the finished product conveyor belt 1001 to realize the smooth docking and transportation of the finished product to the packaging station of the machine body 2.

[0039] The upper film unwinding mechanism 11 and the lower film unwinding mechanism 13 of the machine body 2 are respectively equipped with an independent upper film correction device 12 and a lower film correction device 14. The upper film roll and the lower film roll are stably conveyed after being corrected. The lower film roll is wound around the lower film winding roller 1003 and accurately receives the finished bandage conveyed by the machine body 11, so that the finished product is placed stably on the surface of the lower film. Then, the upper and lower films are wrapped and bonded under the action of the upper and lower film pressing and traction mechanism 15.

[0040] After being covered, the film material passes through the heat sealing mechanism 16 to complete the overall heat sealing and bonding, and the easy-tear forming mechanism 17 to press the integrated easy-tear structure. Finally, it is sent to the finished bag rolling and cutting mechanism 18 for fixed-length cutting to form an independent individual finished packaging bag. The packaging waste generated during cutting is recycled by the finished bag waste edge winding shaft 1801.

[0041] The packaging finished product conveyor belt of machine body 2 is equipped with a defect rejection station 20. The defect rejection station includes a visual camera detection sensor and a rejection cylinder. The piston rod of the rejection cylinder is connected to a push plate. When the visual camera detection sensor identifies defective packaging, the rejection cylinder controls the push plate to reject the defective product that has passed by. The defect rejection station 20 is hard-linked with the position offset camera detection sensor 1002 to accurately identify the defective finished product bags detected in the previous stage and automatically reject them. The qualified finished product bags are finally sent out by the conveyor belt, completing the entire production process.

[0042] Among them, the roll forming mechanism, the upper and lower film pressing and traction mechanism, the heat sealing mechanism, the easy-tear forming mechanism, and the finished bag roll cutting mechanism are conventional designs in this field.

[0043] The machine operates continuously in an automated closed-loop process: pre-treatment of the base film → precise gel bonding → automatic folding of the insert and regular feeding of the release film → multi-layer step-by-step lamination → precise roll cutting and forming → online visual defect detection → fully automatic film packaging and wrapping → heat sealing and easy-tear forming → length cutting → automatic rejection of defective products → waste edge recycling. Through the coordination of the sliding adjustable feeding structure, the adaptive composite pressure structure, the visual signal linkage rejection structure, and the three-level waste recycling structure, high-precision, fully automatic, and low-loss continuous production of various sizes of bandages is achieved.

[0044] Specific workflow: After production starts, each unwinding mechanism discharges material synchronously and at a uniform speed. The bottom film unwinding mechanism 3 completes the bottom film correction, release film peeling pretreatment, and continuously conveys the base film material. The gel unwinding and forming mechanism 4 simultaneously completes the gel roll cutting and monomer negative pressure adsorption transfer, so that the gel monomers are accurately attached to the surface of the bottom film. Then, the first traction composite mechanism 7 completes the adaptive pressure composite of the bottom gel and the bottom film, ensuring tight bonding without deviation. At the same time, the adjustable insert folding unwinding mechanism 5 and the release film unwinding mechanism 6 installed on the sliding track 19 adjust the discharge position according to the production specifications. The tension and movement are regulated by the S-shaped positioning traction component, and the insert is automatically folded and the release film is discharged smoothly. After the multi-layer material is converged and superimposed by the second traction composite mechanism 8, a complete material is formed. Composite substrate; the composite substrate is fed into the roll forming mechanism 9 to be cut into individual single-piece bandages. The formed finished products fall into the finished product inspection and conveying mechanism 10. The position offset camera detection sensor 1002 collects the finished product forming quality data in real time, marks defective products and locks the defect position signal simultaneously; qualified finished products are connected to the machine body 2 by the conveyor belt. After the upper and lower packaging films are independently corrected, they are wrapped around the finished bandages. They are pressed and shaped by the upper and lower film pressing and traction mechanism 15, and then heat sealing, easy tear cutting, and finished bag length cutting are completed in sequence; finally, according to the pre-detection signal, the unqualified rejection station 20 accurately rejects the defective packaged finished products. All the gel waste edges, bottom film release waste edges, and packaging waste edges generated in all processes are independently wound up by the corresponding winding shafts to complete the fully automated closed-loop production process.

[0045] Assembly and specification debugging operation process of the whole machine: During the equipment installation phase, firstly, connect and fix machine body 1 and machine body 2 along the material conveying direction, and calibrate the conveying horizontal plane height of the two main machines to ensure that the finished bandage can smoothly transition from the finished product conveyor belt 1001 to the packaging lower film winding roller 1003; then sequentially complete the horizontal and coaxiality calibration of the unwinding mechanism bracket of the bottom film unwinding mechanism 3, gel unwinding and forming mechanism 4, insert folding unwinding mechanism 5, release film unwinding mechanism 6, the first S-shaped positioning traction roller assembly 502, the second S-shaped positioning traction roller assembly 602, the first traction composite mechanism 7, the second traction composite mechanism 8 composite roller group, and the roller cutting forming mechanism 9 roller cutting knife group to ensure that the film material is conveyed without deviation or wrinkles.

[0046] Sliding track specification adjustment operation: When changing to produce different models of bandages, loosen the bottom locking bolts of the insert folding unwinding mechanism 5 and the release film unwinding mechanism 6, slide laterally along the sliding track 19 to adjust the lateral position of the machine's output material to match the width of the substrate of the corresponding product, and tighten the bolts again after adjustment; at the same time, the number of release film unwinding mechanisms 6 can be increased or decreased to adapt to the production needs of single-layer / multi-layer release film composite.

[0047] Composite pressure adjustment: Adjust the output air pressure of cylinder 706 of the first traction composite mechanism 7 and the second traction composite mechanism 8 according to the total thickness of the substrate. Increase the cylinder pressure for thicker composite substrates and reduce the downward pressure for thinner substrates to avoid substrate wrinkling and gel extrusion. Observe the bonding status of the multi-layer composite material between the traction roller 703, pressure roller 704, lifting roller 802, and composite traction roller 803 during no-load test run. If there is no delamination or air bubbles, the pressure adjustment is qualified.

[0048] Linkage rejection signal debugging: When the equipment is first turned on, several samples with missing glue and offset defects are manually created to verify that the position offset camera detection sensor 1002 can stably collect defect signals. At the same time, the back-end unqualified rejection station 20 can receive the signal and accurately push out the defective packaging bags, thus completing the signal linkage calibration.

[0049] Routine operation and maintenance and waste disposal: The three types of waste edge winding shafts, namely gel waste edge winding shaft 404, bottom film release paper winding shaft 304, and finished bag waste edge winding shaft 1801, are independently driven and can be started, stopped, and unloaded separately. The recycled gel scraps, release film, and packaging film waste are stored separately for easy recycling and reprocessing. Each adsorption film feeding roller 403, the first S-shaped positioning traction roller assembly 502, and the second S-shaped positioning traction roller assembly 602 are S-shaped traction rollers that can be quickly disassembled and cleaned to avoid the accumulation of gel residue and film debris that affects the conveying accuracy.

[0050] This equipment, through its adjustable sliding track 19 for multi-material unwinding, vacuum adsorption and precise adhesive application by the adsorption film feeding roller 403, adaptive pressure step-by-step lamination by the first traction lamination mechanism 7, finished product inspection and conveying mechanism 10, visual closed-loop rejection at the defective rejection station 20, and three-level waste edge recycling, solves the defects of existing equipment such as low precision, poor adaptability, low yield, and insufficient automation, and has significant structural improvements and technological advancements.

Claims

1. A bandage forming and packaging integrated machine, comprising a machine body one (1) and a machine body two (2) connected together, characterized in that, The first machine body (1) is equipped with a bandage forming device, and the second machine body (2) is equipped with a bandage packaging device. The bandage forming device includes a bottom film unwinding mechanism (3), a gel unwinding forming mechanism (4), an insert folding unwinding mechanism (5), a release film unwinding mechanism (6), a first traction composite mechanism (7), a second traction composite mechanism (8), a roll cutting forming mechanism (9), and a finished product inspection and conveying mechanism (10). The bandage packaging device includes a packaging upper film unwinding mechanism (11), an upper film guide (12), a packaging lower film unwinding mechanism (13), a lower film guide (14), and an upper and lower film pressing and traction mechanism (15). The machine body (1) is equipped with a heat sealing mechanism (16), an easy-tear forming mechanism (17), and a finished bag rolling and cutting mechanism (18). The machine body (1) is equipped with a sliding rail (19). The insert folding and unwinding mechanism (5) and the release film unwinding mechanism (6) can be slidably adjusted and installed on the sliding rail (19) to realize the adaptation and adjustment of the unwinding position of multiple materials. The whole machine is equipped with a three-level zoned independent waste edge recycling system, and the finished product inspection and conveying mechanism (10) is hard-linked with the unqualified rejection station (20) of the machine body (2) to realize the closed-loop integrated operation of wound patch forming, multi-layer precise composite, online visual quality inspection, fully automatic packaging, waste edge classification and recycling, and automatic rejection of defective products.

2. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The bottom film unwinding mechanism (3) includes a bottom film unwinding shaft (301), a bottom film correction device (302), a release film peeling guide roller (303), and a bottom film release paper take-up shaft (304). The bottom film roll is output from the bottom film unwinding shaft (301) and after being corrected by the bottom film correction device (302), it is sent to the first traction composite mechanism (7) for traction and conveying. The bottom film is peeled off by passing around the release film peeling guide roller (303). The peeled bottom film release film is taken up by the bottom film release paper take-up shaft (304).

3. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The gel unwinding and forming mechanism (4) includes a gel unwinding shaft (401), a gel rolling cutter (402), an adsorption film feeding roller (403), and a gel waste edge take-up shaft (404). The adsorption film feeding roller (403) has adsorption holes evenly distributed on its periphery. The gel roll is output from the gel unwinding shaft (401) and cut into independent gel monomers by the gel rolling cutter (402). The adsorption film feeding roller (403) adsorbs the gel monomers through the adsorption holes and accurately transfers them to the moving bottom film surface. The waste edges generated by the cutting of the gel roll are taken up and recycled by the gel waste edge take-up shaft (404).

4. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The first traction composite mechanism (7) includes a base (701), on which a bottom roller (702), a traction roller (703), and a pressure roller (704) that can move up and down are sequentially assembled from bottom to top. The bottom roller (702) and the traction roller (703) form a bottom film traction station, and the traction roller (703) and the pressure roller (704) form a gel and bottom film composite station. The pressure roller (704) is rotatably mounted on a lifting seat (705), which is driven to rise and fall by a cylinder (706) to realize adaptive adjustment of composite pressure.

5. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The insert folding and unwinding mechanism (5) includes an insert feeding shaft (501), a first S-shaped traction roller assembly (502), and a folding plate (503). The folding plate (503) has a V-shaped groove. The insert roll is output from the insert feeding shaft (501), and after being properly conveyed by the first S-shaped traction roller assembly (502), it is automatically folded and output through the V-shaped groove of the folding plate (503).

6. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The release film unwinding mechanism (6) includes a release film unwinding shaft (601), a second S-shaped traction roller assembly (602), and an output roller (603). The release film roll is output from the release film unwinding shaft (601), and after the second S-shaped traction roller assembly (602) corrects its movement, it is output in a directional manner by the output roller (603). The release film unwinding mechanism (6) can be set to multiple sets according to production specifications.

7. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The second traction composite mechanism (8) includes a mounting base (801), a lifting roller (802), a composite traction roller (803), and a composite guide roller (804). The lifting roller (802) is driven to lift vertically by a lifting cylinder. After the folded insert and release film are combined through the composite guide roller (804), they enter the space between the lifting roller (802) and the composite traction roller (803) together with the bottom film of the bonded gel monomer, thus completing the integrated composite of multiple materials.

8. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The roll forming mechanism (9) includes a mounting frame (901), a lower roller (902) and an upper roller (903). The lower roller (902) and the upper roller (903) are rotatably mounted on the mounting frame (901). The multi-layer composite material is cut and separated into independent finished bandages and waste materials by the upper and lower rollers. The waste materials are recycled by the waste material reel. The finished bandages fall into the finished product detection and conveying mechanism (10) for conveying. The finished product detection and conveying mechanism (10) includes a finished product conveyor belt (1001) and a position offset camera detection sensor (1002). The end of the finished product conveyor belt (1001) is equipped with a lower film winding roller (1003). The position offset camera detection sensor (1002) is mounted above the finished product conveyor belt (1001) to detect bandage forming offset defects in real time and transmit defect signals synchronously.

9. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The packaging upper film unwinding mechanism (11) includes an upper film shaft (1101) and an upper film roll. The upper film roll is conveyed after being corrected by the upper film guide (12). The packaging lower film unwinding mechanism (13) includes a lower film shaft (1301) and a lower film roll. After being corrected by the lower film guide (14), the lower film roll receives the finished bandage output by the finished product conveyor belt (1001) through the lower film winding roller (1003). After the upper and lower film rolls are covered and pressed by the upper and lower film pressing and traction mechanism (15), they are sequentially heat-sealed by the heat sealing mechanism (16), the easy-tear forming mechanism (17) cuts the easy-tear opening, and the finished bag rolling cutting mechanism (18) cuts the finished bag to a fixed length to form an independent packaged finished bag.

10. The integrated machine for forming and packaging wound dressings according to claim 1, characterized in that, The three-level zoned waste edge recycling system includes a gel waste edge winding shaft (404), a bottom film release paper winding shaft (304), and a finished bag waste edge winding shaft (1801), which independently recycle gel cutting waste edges, bottom film peeling release paper, and packaging bag cutting waste edges; the non-conforming rejection station (20) is installed on the finished product conveyor belt of the machine body two (2) and is hard-linked with the position offset camera detection sensor (1002) to realize the automatic and accurate rejection of defective finished bags.

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