Intelligent packaging machine for home textile products

Abstract

The invention provides an intelligent packaging machine for home textile products, and relates to the technical field of packaging machines, the intelligent packaging machine comprises a folding feeding structure, an L-shaped tray, a first conveying belt, a bag opening mechanism, a second conveying belt, a packaging bag stock bin, a pushing mechanism, a third conveying belt, a lifting pushing hand, a lifting type bag taking and opening mechanism, a heat sealing structure and a thickness detection structure; according to the device, mechanical home textile product folding and packaging are achieved through orderly cooperation, packaging bags of the corresponding sizes can be judged and selected according to the thicknesses of the folded home textile products, intelligent production of the device is achieved, the automation degree of the device is high, and the packaging efficiency of the home textile products can be greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging machines, and in particular to an intelligent packaging machine for home textile products. Background Art

[0002] The packaging of home textile products adopts the traditional manual operation method. The operator first folds the home textile products into a suitable square shape with a lining board, and then puts the square-shaped home textile products into the packaging bag. In actual production, the packaging bags are mostly plastic soft bags or soft fabric bags. In this way, the operator must use both hands to open the plastic bag or cloth bag before bagging. For home textile products of different sizes, it is also necessary to manually change the packaging bags of different sizes for packaging. The operation process lacks intelligence and mechanization, and the work efficiency is low. Summary of the invention

[0003] The object of the present invention is to provide an intelligent packaging machine for home textile products, which has the advantages of being able to judge and select packaging bags of corresponding sizes according to the thickness of the home textile products after folding and realizing mechanized folding and packaging of home textile products, thereby solving the technical problems of lack of intelligence and mechanization in manual operation and low work efficiency.

[0004] The present invention provides an intelligent packaging machine for home textile products, characterized in that it comprises:

[0005] A folding feeding structure with an L-shaped tray on it;

[0006] The folded home textile products of the folding feeding structure are pushed to the right after falling on the L-shaped tray, and a first conveyor belt is horizontally arranged at the output end of the folding feeding structure;

[0007] The output end of the first conveyor belt is provided with a bag supporting mechanism;

[0008] A second conveyor belt is disposed transversely on the front side of the bag-supporting mechanism, and at least six packaging bag bins are adsorbed and fixed on the outer wall of the conveyor belt, and the sizes of the six packaging bag bins decrease from left to right;

[0009] A material pushing mechanism is provided on the right side of the rear end of the first conveyor belt, and the material pushing mechanism is provided with a material pushing part that moves forward and backward;

[0010] A third conveyor belt is transversely arranged at the right end of the first conveyor belt, and a lifting handle is fixedly connected to the telescopic end of the pushing part of the pushing mechanism;

[0011] The pushing part of the pushing mechanism extends to push the L-shaped tray and the folded home textile products into the packaging bag opened by the bag-opening mechanism, and the pushing part of the pushing mechanism retracts to drive the L-shaped tray to withdraw through the descent of the lifting handle;

[0012] A lifting bag taking and bag opening mechanism is provided at the rear side of the bag holding mechanism, and the moving end of the lifting bag taking and bag opening mechanism moves from the packaging bag bin in the middle of the upper end of the second conveyor belt to the top of the bag holding mechanism;

[0013] The upper edge of the third conveyor belt is fixedly equipped with a heat sealing structure;

[0014] The rear wall of the folding feeding structure is fixedly equipped with a thickness detection structure, and its detection end extends above the L-shaped tray;

[0015] The external control cabinet controls the packaging bag silo of corresponding size to move to the middle of the upper end of the second conveyor belt according to the thickness of the home textile products detected by the thickness detection structure.

[0016] As a further optimization solution, in order to push the L-shaped tray and the folded home textile products thereon to the right together onto the first conveyor belt, the folding feeding structure includes:

[0017] A folding mechanism for home textile products and a pushing mechanism for the folded home textile products;

[0018] The output end of the folded home textile product pushing mechanism is fixedly connected to the upper end of the feeding side of the first conveyor belt;

[0019] The L-shaped tray is located above the folded home textile product pushing mechanism;

[0020] The folded home textile product pushing mechanism pushes the L-shaped tray and the folded home textile product thereon onto the first conveyor belt;

[0021] A soot blowing and sterilizing mechanism is fixedly mounted on the upper surface edge of the home textile product folding mechanism, and the output end of the soot blowing and sterilizing mechanism faces the movable part of the home textile product folding mechanism;

[0022] The thickness detection structure is fixedly mounted on the rear wall of the folded home textile product pushing mechanism.

[0023] As a further optimization scheme, in order to fold the home textile product, fold it into a square shape and push it backward from the outer wall of the rectangular plate to separate from the rectangular plate and fall on the L-shaped tray above the folded home textile product pushing mechanism, the home textile product folding mechanism includes:

[0024] A folding mechanism bracket, the front side of the upper end of which is longitudinally embedded with a first cylinder;

[0025] A circular plate is fixedly mounted on the telescopic upper end of the first cylinder, a first drive motor is fixedly mounted on the middle of the front wall of the circular plate, and a rectangular plate is fixedly connected to the output rear end of the first drive motor through the circular plate;

[0026] The left and right edges of the rectangular plate are designed with rounded corners;

[0027] A second cylinder is vertically fixedly mounted on the edge of the front wall of the circular plate, and a telescopic front end of the second cylinder is fixedly connected to the transverse portion of the L-shaped rod;

[0028] A push block is fixedly connected to the end of the longitudinal portion of the L-shaped rod, and the push block moves backward with the L-shaped rod to push the outer wall of the rectangular plate to wrap around the home textile product and separate from the rectangular plate.

[0029] As a further optimization scheme, in order to blow away the dust on the surface of the home textile products during the folding process and perform atomization spray sterilization of the bactericide, the soot blowing and sterilization mechanism includes:

[0030] A longitudinal bracket, the upper end of which is fixedly equipped with a strip-shaped horizontal plate;

[0031] The strip-shaped horizontal plate is evenly embedded with a wind tube along the length direction, and the output end of the wind tube is fixedly connected with a connecting pipe;

[0032] The middle section of the connecting pipe is provided with a bellows, and the output end of the connecting pipe faces the active part of the folding mechanism of the home textile product;

[0033] The strip-shaped horizontal plate is evenly embedded with a spray pipe along the length direction, and the spray pipe is fixedly connected to an atomizing nozzle on one side of the active part of the folding mechanism of the home textile product;

[0034] The spray pipe and the air duct are spaced apart.

[0035] As a further optimization solution, in order to facilitate pushing the folded home textile products individually into the packaging bag with the opening stretched, the pushing mechanism includes:

[0036] A material pushing mechanism bracket, the upper end of which is longitudinally fixedly equipped with a first linear module, and the upper end of a slider of the first linear module is longitudinally fixedly equipped with a strip mounting plate;

[0037] The front end of the bottom of the strip-shaped mounting plate is laterally fixedly mounted with a third cylinder, and the lifting handle is fixedly connected to the telescopic right end of the third cylinder;

[0038] The slider of the first linear module moves forward to drive the third cylinder to move above the first conveyor belt;

[0039] The movable part of the lifting handle descends and is clamped at the longitudinal part of the L-shaped tray.

[0040] As a further optimization scheme, in order to push the L-shaped tray and the folded home textile products thereon into the packaging bag opened by the bag-supporting mechanism as the third cylinder extends, and then the fourth cylinder drives the vertical plate to descend and clamp at the longitudinal part of the L-shaped tray, the folded home textile products are retained in the packaging bag due to friction when the third cylinder retracts, and the L-shaped tray is pulled back alone, the lifting handle includes:

[0041] A vertical plate fixedly connected to the telescopic right end of the third cylinder;

[0042] A flat plate is fixedly mounted on the upper end of the right side surface of the vertical plate, and a strip-shaped through hole is longitudinally opened on the flat plate;

[0043] A vertical plate is slidably inserted into the strip-shaped through hole;

[0044] A fourth cylinder is vertically fixedly mounted on the edge of the bottom surface of the flat plate, and its telescopic upper end penetrates the flat plate;

[0045] The upper end of the fourth cylinder is fixedly connected with a connecting plate, and the connecting plate is fixedly connected to the upper end of the right side surface of the vertical plate;

[0046] The fourth cylinder drives the vertical plate to descend and be clamped at the longitudinal portion of the L-shaped tray.

[0047] As a further optimization scheme, in order to support the opened bag opening through the bag opening plates turned outwards front and back when the packaging bag opening is opened, so as to facilitate the feeding of the folded home textile products, the bag supporting mechanism includes:

[0048] The bag support mechanism base has a lower bag opening suction cup evenly embedded and installed at the right edge of the upper end;

[0049] A fourth conveyor belt is embedded in the middle of the bag-supporting mechanism base;

[0050] The front and rear sides of the middle part of the bag support mechanism base are fixedly equipped with an L-shaped motor bracket longitudinal part, the upper end of the motor bracket transverse part is fixedly equipped with a second drive motor, and the output lower end passes through the motor bracket transverse part;

[0051] The output lower end of the second driving motor is fixedly connected to one end of the bag opening plate, and the other ends of the bag opening plates on both sides are in contact with each other;

[0052] The lower bag opening suction cup is used in conjunction with a lifting bag taking and bag opening mechanism.

[0053] As a further optimization scheme, in order to absorb and grab the packaging bags in the packaging bag silo that is transferred to the middle of the upper end of the second conveyor belt, the rectangular mounting plate moves backward to drive the absorbed packaging bags to move to the upper end of the bag support mechanism, and the lifting vertical rod descends to drive the upper bag opening suction cup to descend, and cooperate with the lower bag opening suction cup to open the opening of the packaging bag. The lifting bag taking and opening mechanism includes:

[0054] A lifting rod, which is fixedly mounted on the rear wall of the bag-supporting mechanism, wherein one end of the second linear module is fixedly mounted on the telescopic upper end of the lifting rod, and the other end of the second linear module extends to the middle of the upper end of the second conveyor belt;

[0055] The slider at the lower end of the second linear module is fixedly equipped with a rectangular mounting plate, and the bottom surface is embedded with an upper bag opening suction cup corresponding to the lower bag opening suction cup;

[0056] The fifth cylinder is vertically fixedly mounted on the edge of the rectangular mounting plate, and the output lower end thereof penetrates through the rectangular mounting plate and is fixedly connected to a smoothing plate.

[0057] As a further optimization scheme, in order to provide a platform for the installation and fixation of the device, it also includes a base frame, and the folding feeding structure, the first conveyor belt, the bag supporting mechanism, the material pushing mechanism, the lifting bag taking mechanism, the bag opening mechanism, the second conveyor belt and the third conveyor belt are all fixedly assembled on the upper end of the base frame.

[0058] As a further optimization scheme, in order to protect the components on the upper end of the base frame, a protective cover is fixedly mounted on the upper end of the base frame, and a home textile product feeding window is opened on the outer wall of the protective cover corresponding to the input end of the folding feeding structure;

[0059] The rear left end of the folding feeding structure and the rear end of the pushing mechanism extend to the outside of the shield;

[0060] The outer wall of the shield is provided with a home textile product discharge window corresponding to the discharge end of the device.

[0061] The present invention provides an intelligent packaging machine for home textile products through improvement, which has the following improvements and advantages compared with the prior art:

[0062] The device adopts a folding feeding structure to mechanically fold the home textile products. After folding into a square shape, the product is pushed backward and falls on the L-shaped tray. The thickness detection structure detects the thickness of the folded home textile products on the L-shaped tray. The external control cabinet controls the packaging bag bin of the corresponding size to move to the middle of the upper end of the second conveyor belt according to the detection structure. The L-shaped tray and the folded home textile products thereon are pushed to the first conveyor belt together and are transmitted to the right end of the first conveyor belt. At the same time, the moving end of the lifting bag taking and opening mechanism absorbs the packaging bag in the packaging bag bin in the middle of the upper end of the second conveyor belt to the bag supporting mechanism, and the bag opening is opened and The L-shaped tray and the folded home textile products thereon are pushed into the packaging bag by the pushing mechanism, and the pushing mechanism retracts to drive the L-shaped tray to be withdrawn separately. Subsequently, the packaging bag and the folded home textile products therein are conveyed to the third conveyor belt by the bag-stretching mechanism, and the opening of the packaging bag is heat-sealed by the heat-sealing structure after being conveyed by the third conveyor belt. The above-mentioned device realizes mechanized folding and packaging of home textile products, and can judge and select packaging bags of corresponding sizes according to the thickness of the folded home textile products, thereby realizing intelligent production of the device, and the device has a high degree of automation, which can greatly improve the packaging efficiency of home textile products. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0064] Figure 1 It is a schematic diagram of the structure of the present invention;

[0065] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0066] Figure 3 It is a schematic diagram of the assembly structure of the folding mechanism and the soot blowing and sterilizing mechanism of the home textile product of the present invention;

[0067] Figure 4 It is a schematic diagram of the structure of the soot blowing and sterilizing mechanism of the present invention;

[0068] Figure 5 It is a schematic diagram of the structure of the material pushing mechanism of the present invention;

[0069] Figure 6 It is a schematic diagram of the lifting handle structure of the present invention;

[0070] Figure 7 It is a schematic diagram of the assembly structure of the bag-supporting mechanism and the lifting bag-taking and bag-opening mechanism of the present invention;

[0071] Figure 8 This is a schematic diagram of the packaging bag silo structure of the present invention;

[0072] Fig. 9 It is a structural schematic diagram of the heat sealing structure of the present invention;

[0073] Fig.10 It is a schematic diagram of the assembly structure of the folded home textile product pushing mechanism, the L-shaped tray and the thickness detection structure of the present invention;

[0074] Fig.11 It is a schematic diagram of the structure of the discharging and pushing mechanism of the present invention.

[0075] Description of reference numerals:

[0076] 1- bottom frame, 2- home textile product folding mechanism, 21- first cylinder, 22- round plate, 23- first drive motor, 24- rectangular plate, 25- second cylinder, 26- L-shaped rod, 27- folding mechanism bracket, 28- push block, 3- folded home textile product pushing mechanism, 31- bottom plate, 32- side guard, 33- second side plate, 34- seventh cylinder, 35- first push plate, 4- first conveyor belt, 5- L-shaped tray, 6- bag support mechanism, 61- bag support mechanism base, 6 2-lower bag opening suction cup, 63-L-shaped motor bracket, 64-second drive motor, 65-bag opening plate, 7-pushing mechanism, 71-pushing mechanism bracket, 72-first linear module, 73-strip mounting plate, 74-third cylinder, 75-lifting handle, 751-vertical plate, 752-flat plate, 753-strip through hole, 754-fourth cylinder, 755-vertical plate, 756-connecting plate, 8-second conveyor belt, 9-bag silo, 91-rectangular box, 92-suction Plate, 93-vertical groove, 94-oblique groove, 95-thin rod, 10-lifting bag taking, bag opening mechanism, 101-lifting vertical rod, 102-second linear module, 103-rectangular mounting plate, 104-upper bag opening suction cup, 105-fifth cylinder, 106-smoothing plate, 11-third conveyor belt, 12-heat sealing structure, 121-first side plate, 122-lower strip plate, 123-roller mounting groove, 124-roller, 125-micro motor, 126-upper strip Plate, 127-sixth cylinder, 128-upper heat sealing knife, 13-discharging pushing mechanism, 131-third side plate, 132-eighth cylinder, 133-second pushing plate, 14-discharging conveyor belt, 15-air supply device and air control board, 16-electric control board, 17-shield, 18-soot blowing, sterilization mechanism, 181-longitudinal bracket, 182-strip horizontal plate, 183-air cylinder, 184-connecting pipe, 185-corrugated pipe, 186-spray pipe, 19-thickness detection structure. DETAILED DESCRIPTION

[0077] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0078] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0079] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0080] See also Figure 1-11 The present invention provides a technical solution: an intelligent packaging machine for home textile products, comprising:

[0081] A folding feeding structure, on which an L-shaped tray 5 is provided;

[0082] The folded home textile products of the folding feeding structure fall on the L-shaped tray 5 and are pushed to the right, and a first conveyor belt 4 is transversely arranged at the output end of the folding feeding structure;

[0083] A bag-supporting mechanism 6 is provided at the output end of the first conveyor belt 4;

[0084] A second conveyor belt 8 is disposed transversely on the front side of the bag support mechanism 6, and at least six packaging bag bins 9 are adsorbed and fixed on the outer wall of the conveyor belt. The sizes of the six packaging bag bins 9 decrease from left to right.

[0085] The six packaging bag silos 9 are filled with packaging bags of different sizes. The thickness of the folded home textile products on the L-shaped tray 5 is detected by the thickness detection structure 19. The external control cabinet controls the packaging bag silos 9 of the corresponding size to move to the middle of the upper end of the second conveyor belt 8 according to the detection structure;

[0086] A pushing mechanism 7 is provided on the right side of the rear end of the first conveyor belt 4, and the pushing mechanism 7 is provided with a pushing part that moves forward and backward. When it is needed, the pushing part moves forward to the top of the first conveyor belt 4 to push the L-shaped tray 5 and the folded home textile products into the packaging bag opened by the bag-opening mechanism 6. After use, the pushing part moves backward and will not block the use of the first conveyor belt 4.

[0087] A third conveyor belt 11 is transversely disposed at the right end of the first conveyor belt 4, and a lifting handle 75 is fixedly connected to the telescopic end of the pushing portion of the pushing mechanism 7;

[0088] The pushing part of the pushing mechanism 7 extends to push the L-shaped tray 5 and the folded home textile products into the packaging bag opened by the bag-opening mechanism 6, and the pushing part of the pushing mechanism 7 retracts to drive the L-shaped tray 5 to be withdrawn through the descent of the lifting handle 75;

[0089] A lifting bag taking and bag opening mechanism 10 is provided at the rear side of the bag holding mechanism 6. The moving end of the lifting bag taking and bag opening mechanism 10 moves from the packaging bag bin 9 in the middle of the upper end of the second conveyor belt 8 to the upper part of the bag holding mechanism 6. The moving end of the lifting bag taking and bag opening mechanism 10 descends to absorb the packaging bag in the packaging bag bin 9 in the middle of the upper end of the second conveyor belt 8 and then rises, and then moves backward to the upper part of the bag holding mechanism 6 and then descends, and the opening of the packaging bag is opened and held up by the cooperation of the bag holding mechanism 6;

[0090] A heat sealing structure 12 is fixedly mounted on the upper edge of the third conveyor belt 11, and the heat sealing structure 12 is used to heat seal the opening of the packaging bag containing the folded home textile product passing through;

[0091] A thickness detection structure 19 is fixedly mounted on the rear wall of the folding feeding structure, and its detection end extends above the L-shaped tray 5;

[0092] The external control cabinet controls the packaging bag silo 9 of corresponding size to move to the middle of the upper end of the second conveyor belt 8 according to the thickness of the home textile product detected by the thickness detection structure 19. The probe of the thickness detection structure 19 is a laser distance sensor, which calculates the thickness of the folded home textile product by measuring the difference between the distance to the upper surface of the L-shaped tray 5 and the distance to the upper surface of the folded home textile product on the L-shaped tray 5.

[0093] In this embodiment, an electric control board 16 is provided, which is electrically connected to an external control cabinet. Photoelectric switches are embedded and installed on the edge of the feeding side of each electronic device. The photoelectric switches are electrically connected to the external control cabinet. The external control cabinet is used to control whether each electronic device in the device is working or not, thereby completing the automatic connection of material transportation.

[0094] In some embodiments, in order to push the L-shaped tray 5 and the folded home textile products thereon to the right together onto the first conveyor belt 4, the folding feeding structure includes:

[0095] A home textile product folding mechanism 2 and a folded home textile product pushing mechanism 3;

[0096] The output end of the folded home textile product pushing mechanism 3 is fixedly connected to the upper end of the feeding side of the first conveyor belt 4;

[0097] The L-shaped tray 5 is located above the folded home textile product pushing mechanism 3;

[0098] The folded home textile product pushing mechanism 3 pushes the L-shaped tray 5 and the folded home textile product thereon onto the first conveyor belt 4;

[0099] A soot blowing and sterilizing mechanism 18 is fixedly mounted on the upper surface edge of the home textile product folding mechanism 2, and the output end of the soot blowing and sterilizing mechanism 18 faces the movable part of the home textile product folding mechanism 2;

[0100] The thickness detection structure 19 is fixedly mounted on the rear wall of the folded home textile product pushing mechanism 3 .

[0101] like Figure 3 As shown, in some embodiments, in order to fold the home textile product, fold it into a square shape and push it backward from the outer wall of the rectangular plate 24 to separate from the rectangular plate 24 and fall on the L-shaped tray 5 above the folded home textile product pushing mechanism, the home textile product folding mechanism 2 includes:

[0102] A folding mechanism bracket 27, the front side of the upper end of which is longitudinally embedded with the first cylinder 21;

[0103] A circular plate 22 is fixedly mounted on the telescopic upper end of the first cylinder 21, a first drive motor 23 is fixedly mounted on the middle of the front wall of the circular plate 22, and a rectangular plate 24 is fixedly connected to the output rear end of the first drive motor 23 through the circular plate 22;

[0104] The left and right edges of the rectangular plate 24 are rounded;

[0105] A second cylinder 25 is vertically fixedly mounted on the front wall edge of the circular plate 22, and a transverse portion of an L-shaped rod 26 is fixedly connected to the telescopic front end of the second cylinder 25;

[0106] A push block 28 is fixedly connected to the end of the longitudinal portion of the L-shaped rod 26 , and the push block 28 moves backward with the L-shaped rod 26 to push the outer wall of the rectangular plate 24 to wrap the home textile product away from the rectangular plate 24 .

[0107] When in use, the end of the home textile product to be folded is placed through the home textile product feeding window of the protective cover 17, and the end of the home textile product is first simply wrapped around the outside of the rectangular plate 24, and then the first drive motor 23 is started to drive the rectangular plate 24 to rotate slowly. The rotating rectangular plate 24 will roll up the remaining part of the home textile product. After the home textile product is completely wrapped around the outside of the rectangular plate 24, the first drive motor 23 is stopped, and the second cylinder 25 is started to retract and drive the push block 28 to move backward. The push block 28 is in the shape of a circular ring with an open lower end. Its backward movement can push the outer wall of the rectangular plate 24 to wrap around the home textile product and separate it from the rectangular plate 24.

[0108] like Figure 4 As shown, in some embodiments, in order to blow away dust on the surface of the home textile product during the folding process and perform atomization spray sterilization of the bactericide, the dust blowing and sterilization mechanism 18 includes:

[0109] A longitudinal bracket 181, the upper end of which is fixedly mounted with a strip-shaped horizontal plate 182;

[0110] The strip-shaped horizontal plate 182 is evenly embedded with a wind tube 183 along the length direction, and the output end of the wind tube 183 is fixedly connected with a connecting pipe 184;

[0111] A bellows 185 is provided in the middle section of the connecting tube 184, and the output end of the connecting tube 184 faces the active part of the home textile product folding mechanism 2;

[0112] The strip-shaped horizontal plate 182 is evenly embedded with a spray pipe 186 along the length direction, and the spray pipe 186 is fixedly connected to an atomizing nozzle on one side of the active part of the home textile product folding mechanism 2;

[0113] The spray pipe 186 is spaced apart from the wind tube 183. The wind tube 183 is connected in parallel to an external power supply. The wind tube 183 blows air toward the rectangular plate 24 to remove dust on the surface of the rectangular plate 24 during the process of wrapping the home textile products around the rectangular plate 24. The spray pipe 186 is connected to a disinfectant supply device, which includes a water tank for holding the disinfectant and a water pump for providing power. The input end of the water pump is connected to the lower end of the water tank, and the output end of the water tank is fixedly connected to each spray pipe 186 through a multi-way joint and a pipe. The liquid disinfectant in the water tank is supplied into the spray pipe 186 to form a disinfectant spray, which sterilizes the home textile products during the process of wrapping the rectangular plate 24 around the home textile products. The spray pipe 186 is spaced apart from the wind tube 183, and the wind drives the disinfectant spray to blow toward the home textile products wrapped around the outer wall of the rectangular plate 24.

[0114] like Figure 5 As shown, in some embodiments, in order to facilitate pushing the folded home textile products individually into the packaging bag with the opening stretched, the pushing mechanism 7 includes:

[0115] The push mechanism bracket 71 has a first linear module 72 fixedly mounted on its upper end longitudinally, and a strip mounting plate 73 fixedly mounted on the upper end of the slider of the first linear module 72 longitudinally;

[0116] A third cylinder 74 is laterally fixedly mounted on the front end of the bottom of the strip-shaped mounting plate 73, and a lifting handle 75 is fixedly connected to the telescopic right end of the third cylinder 74;

[0117] The slider of the first linear module 72 moves forward to drive the third cylinder 74 to move above the first conveyor belt 4; the first linear module 72 starts to drive the strip mounting plate 73 and the third cylinder 74 thereon to move forward to above the first conveyor belt 4;

[0118] The movable portion of the lifting handle 75 descends and is engaged with the longitudinal portion of the L-shaped tray 5 .

[0119] When in use, the L-shaped tray 5 and the folded home textile products thereon are located at the right end of the first conveyor belt 4. The first linear module 72 is started to drive the third cylinder 74 to move forward to above the first conveyor belt 4. The third cylinder 74 extends to drive the lifting handle 75 to push the L-shaped tray 5 and the folded home textile products thereon at the right end of the first conveyor belt 4 into the packaging bag opened at the upper end of the bag-holding mechanism 6. Then the movable part of the lifting handle 75 descends and engages with the longitudinal part of the L-shaped tray 5. The third cylinder 74 retracts to drive the L-shaped tray 5 to be pulled out of the packaging bag and withdrawn. The folded home textile products remain in the packaging bag due to the friction with the inner wall of the packaging bag, and the bagging is completed.

[0120] like Figure 6 As shown, in some embodiments, in order to push the L-shaped tray 5 and the folded home textile products thereon into the packaging bag opened by the bag-supporting mechanism 6 as the third cylinder 74 extends, the fourth cylinder 754 then drives the vertical plate 755 to descend and clamp at the longitudinal part of the L-shaped tray 5, and the longitudinal part of the L-shaped tray 5 is clamped between the vertical plate 755 and the vertical plate 751. The folded home textile products remain in the packaging bag due to friction when the third cylinder 74 retracts, and the L-shaped tray 5 is pulled back alone. The lifting handle 75 includes:

[0121] A vertical plate 751, which is fixedly connected to the telescopic right end of the third cylinder 74;

[0122] A flat plate 752 is fixedly mounted on the upper end of the right side surface of the vertical plate 751, and a strip-shaped through hole 753 is longitudinally opened on the flat plate 752;

[0123] A vertical plate 755 is slidably inserted into the strip-shaped through hole 753;

[0124] A fourth cylinder 754 is vertically fixedly mounted on the bottom edge of the flat plate 752, and its telescopic upper end penetrates the flat plate 752;

[0125] The upper end of the fourth cylinder 754 is fixedly connected with a connecting plate 756, and the connecting plate 756 is fixedly connected to the upper end of the right side surface of the vertical plate 755;

[0126] The fourth cylinder 754 drives the vertical plate 755 to descend and engage with the longitudinal portion of the L-shaped tray 5 .

[0127] like Figure 7 As shown, in some embodiments, in order to support the opened bag opening through the bag opening plate 65 turned outwards front and back when the packaging bag is opened, so as to facilitate the feeding of the folded home textile product, the bag supporting mechanism 6 includes:

[0128] The bag support mechanism base 61 has a lower bag opening suction cup 62 evenly embedded and mounted on the right edge of the upper end thereof;

[0129] A fourth conveyor belt is embedded in the middle of the bag support mechanism base 61;

[0130] The longitudinal part of the L-shaped motor bracket 63 is fixedly mounted on both the front and rear sides of the middle of the bag support mechanism base 61, and the upper end of the transverse part of the motor bracket 63 is fixedly mounted with a second drive motor 64, and the output lower end passes through the transverse part of the motor bracket 63;

[0131] The output lower end of the second driving motor 64 is fixedly connected to one end of the bag opening plate 65, and the other ends of the bag opening plates 65 on both sides are in contact with each other;

[0132] The lower bag opening suction cup 62 is used in conjunction with the lifting bag taking and opening mechanism 10. The lower bag opening suction cup 62 absorbs the lower end of the packaging bag opening, and the lifting bag taking and opening mechanism 10 absorbs the upper end of the packaging bag opening. The movable part of the bag opening mechanism 10 rises to drive the packaging bag opening to open. The second driving motors 64 on both sides are connected to an external power supply and work synchronously. The second driving motor 64 is used to drive the bag opening plate 65 from an "eight" shape to an open state. After the bag opening plates 65 on both sides are opened, they are supported on the inner wall of the packaging bag opening to hold the bag. The second driving motor 64 is a servo motor with a self-locking function, which keeps the bag opening plate 65 in an open state after stopping working.

[0133] In some embodiments, in order to absorb and grab the packaging bag in the packaging bag bin 9 that is transferred to the middle of the upper end of the second conveyor belt 8, the rectangular mounting plate 103 moves backward to drive the absorbed packaging bag to move to the upper end of the bag support mechanism 6, the lifting pole 101 descends to drive the upper bag opening suction cup 104 to descend, absorb the upper end of the packaging bag opening, and the lower bag opening suction cup absorbs the lower end of the packaging bag opening, and then the lifting pole 101 rises to open the packaging bag opening. The lifting bag taking and opening mechanism 10 includes:

[0134] The lifting rod 101 is fixedly mounted on the rear wall of the bag support mechanism 6. One end of the second linear module 102 is fixedly mounted on the telescopic upper end of the lifting rod 101, and the other end of the second linear module 102 extends to the middle of the upper end of the second conveyor belt 8. In this embodiment, the lifting rod 101 is specifically an electric push rod, which is controlled to be telescopic by an external control cabinet after being powered on.

[0135] The slider at the lower end of the second linear module 102 is fixedly mounted with a rectangular mounting plate 103, and the bottom surface is embedded with an upper bag opening suction cup 104 corresponding to the lower bag opening suction cup 62;

[0136] A fifth cylinder 105 is vertically fixedly mounted on the edge of the rectangular mounting plate 103, and its output lower end penetrates the rectangular mounting plate 103 and is fixedly connected to a smoothing plate 106. After bagging, the fifth cylinder 105 drives the smoothing plate 106 to descend to flatten the folded home textile products after bagging. The smoothing plate 106 is a plate with a smooth bottom surface;

[0137] When in use, the second linear module 102 starts to drive the rectangular mounting plate 103 and the upper bag opening suction cup 104 to move forward to above the packaging bag silo 9 in the middle of the upper end of the second conveyor belt 8, and then the lifting rod 101 starts to descend, and the upper bag opening suction cup 104 enters the packaging bag silo 9 to adsorb the upper packaging bag, and the lifting rod 101 rises to drive the adsorbed packaging bag to rise, and then the second linear module 102 drives the upper bag opening suction cup 104 to move backward to drive the adsorbed packaging bag to move to the upper end of the bag supporting mechanism 6, and the lifting rod 101 descends to the lower end of the packaging bag and fits and adsorbs the lower bag opening suction cup 62, and then the lifting rod 101 rises a distance, driving the opening of the packaging bag to open.

[0138] In some embodiments, in order to provide a platform for the installation and fixation of the device, a base frame 1 is also included, and a folding feeding structure, a first conveyor belt 4, a bag support mechanism 6, a material pushing mechanism 7, a lifting bag taking and bag opening mechanism 10, a second conveyor belt 8 and a third conveyor belt 11 are all fixedly assembled on the upper end of the base frame 1;

[0139] The device is provided with an air supply device and an air control board 15 in the base frame 1, which consists of two parts: the air supply device and the air control board. The output end of the air supply device is connected to the valve on the air control board through a pipeline, and the valve on the air control board is connected to each cylinder in the device through a pipeline to control the operation of each cylinder.

[0140] In some embodiments, in order to protect the components on the upper end of the base frame 1, a protective cover 17 is fixedly mounted on the upper end of the base frame 1, and a home textile product feeding window is provided on the outer wall of the protective cover 17 corresponding to the input end of the folding feeding structure. The size of this product feeding window is large enough to facilitate workers to simply wrap the end of the home textile product around the outer side of the rectangular plate 24.

[0141] The left end of the rear side of the folding feeding structure and the rear end of the pushing mechanism 7 extend to the outside of the shield 17;

[0142] A home textile product discharging window is provided at the discharging end of the corresponding device on the outer wall of the protective cover 17, a discharging pushing mechanism 13 is longitudinally fixedly installed on the front side of the right end of the upper edge of the third conveyor belt 11, and a discharging conveyor belt 14 is longitudinally provided on the rear side of the discharging end of the third conveyor belt 11, and its lower end is fixed to the upper end of the base frame 1. The home textile product discharging window is extended from the rear end of the third conveyor belt 11, and the discharging pushing mechanism 13 pushes the heat-sealed packaging bag containing home textile products at the right end of the third conveyor belt 11 to the discharging conveyor belt 14, and the discharging is conveyed through the discharging conveyor belt 14.

[0143] The packaging bag silo 9 includes a rectangular box body 91, on the bottom surface of which suction cups 92 are evenly fixed. The rectangular box body 91 is fixed to the outer wall of the conveyor belt of the second conveyor belt 8 by suction through the suction cups. The left and right edges of the front and rear sides of the upper end of the rectangular box body 91 are longitudinally provided with inclined grooves 94, and the lower end of the inclined grooves 94 is provided with longitudinal grooves 93. Thin rods 95 are inserted into the longitudinal grooves 93 on the same sides. The rectangular box body 91 is filled with packaging bags. The thin rods 95 on both sides block the edges of the packaging bags during the process of the packaging bags being sucked and moved upward. The packaging bags adhered to the bottom of the sucked packaging bags will not be separated from the rectangular box body 91 together with the uppermost packaging bags after being blocked by the thin rods 95 on both sides.

[0144] A lifting platform is fixed to the bottom surface of the inner cavity of the rectangular box body 91. The lifting platform is specifically a cylinder connected to the air supply device and the air control board. The lifting platform is used to lift the stacked packaging bags and raise them in the rectangular box body 91 to keep the top packaging bag in contact with the thin rods 95 on both sides.

[0145] The heat sealing structure 12 includes a first side plate 121 arranged in parallel at the front and rear ends, the first side plate 121 is fixed to the front and rear edges of the upper end of the third conveyor belt 11, an upper strip plate 126 is fixed to the upper ends of the front and rear first side plates 121, a sixth cylinder 127 is fixed to the top surface of the upper strip plate 126, and its telescopic lower end penetrates the upper strip plate 126 and is fixed with an upper heat sealing knife 128;

[0146] A lower strip plate 122 is fixed at the lower end of the front and rear first side plates 121, and roller mounting grooves 123 are evenly opened on the surface along the length direction. The inner wall of the roller mounting groove 123 is connected to a roller 124 for front and rear rotation. A micro motor 125 is fixedly connected to the outer wall of the front first side plate 121 corresponding to the roller 124, and the rear end of the output of the micro motor 125 passes through the end first side plate 121 and is fixedly connected to the middle of the end surface of the corresponding roller 124;

[0147] The left and right edges of the lower strip plate 122 are provided with arc-shaped slopes, which facilitate the movement of the packaging bags containing the folded home textile products onto the lower strip plate 122 along the arc-shaped slopes. The roller 124 driven by the micro motor 125 rotates, and multiple rollers 124 cooperate to transport the packaging bags containing the folded home textile products moved onto the lower strip plate 122 to the right. The upper heat sealing knife 128 is symmetrically fixed with the lower heat sealing knife on the left side of the upper surface of the lower strip plate 122. Resistance wires are embedded in the upper heat sealing knife 128 and the lower heat sealing knife. The resistance wires generate heat when energized. The sixth cylinder 127 drives the upper heat sealing knife 128 and the lower heat sealing knife to fit together to heat-seal the opening of the packaging bag containing the folded home textile products passing by.

[0148] The folded home textile product pushing mechanism 3 includes a bottom plate 31, a rib 32 is laterally fixed to the rear side of its upper surface, a second side plate 33 is fixed to the left side of the upper surface of the bottom plate 31, a seventh cylinder 34 is fixed to the left side of the second side plate 33, and its output right end passes through the second side plate 33 and is fixedly connected to the first push plate 35. The seventh cylinder 34 extends and uses the first push plate 35 to push the L-shaped tray 5 on the bottom plate 31 and the folded home textile product thereon to the right, and the rib 32 is used to block the folded home textile product output from the rear end of the home textile product folding mechanism 2.

[0149] The discharging pushing mechanism 13 includes a third side plate 131, whose lower end is fixed to the front side of the right end of the upper edge of the third conveyor belt 11, and an eighth cylinder 132 is fixedly installed on the front wall of the third side plate 131, and a second pushing plate 133 is fixed on its rear end passing through the third side plate 131.

[0150] Working principle:

[0151] The device adopts a folding feeding structure to mechanically fold the home textile products. After folding into a square shape, the product is pushed backward and falls on the L-shaped tray 5. The thickness detection structure 19 detects the thickness of the folded home textile products on the L-shaped tray 5. The external control cabinet controls the packaging bag bin 9 of the corresponding size to move to the middle of the upper end of the second conveyor belt 8 according to the detection structure. The L-shaped tray 5 and the folded home textile products thereon are pushed to the first conveyor belt 4 together and transmitted to the right end of the first conveyor belt 4. At the same time, the moving end of the lifting bag taking and opening mechanism 10 absorbs the packaging bag in the packaging bag bin 9 in the middle of the upper end of the second conveyor belt 8 to the bag supporting mechanism 6. The mechanism 6 cooperates to open and prop up the opening of the packaging bag, and pushes the L-shaped tray 5 and the folded home textile products thereon, which are conveyed to the right end of the first conveyor belt 4, into the packaging bag through the pushing mechanism 7. The pushing mechanism 7 retracts to drive the L-shaped tray 5 to be withdrawn separately, and then the packaging bag and the folded home textile products therein are conveyed to the third conveyor belt 11 through the bag propping mechanism 6. The packaging bag opening is heat-sealed by the third conveyor belt 11 and transported through the heat-sealing structure 12. The discharging pushing mechanism 13 pushes the heat-sealed packaging bag containing the home textile products at the right end of the third conveyor belt 11 to the discharging conveyor belt 14, and the discharging is conveyed and discharged through the discharging conveyor belt 14.

[0152] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An intelligent packaging machine for home textile products, characterized in that: include: A folding feeding structure, on which an L-shaped tray (5) is provided; The folded home textile products of the folding feeding structure are pushed to the right after falling on the L-shaped tray (5), and a first conveyor belt (4) is transversely arranged at the output end of the folding feeding structure; The output end of the first conveyor belt (4) is provided with a bag supporting mechanism (6); A second conveyor belt (8) is transversely arranged in front of the bag-supporting mechanism (6), and at least six packaging bag bins (9) are adsorbed and fixed on the outer wall of the conveyor belt, and the sizes of the six packaging bag bins (9) decrease from left to right; A material pushing mechanism (7) is provided on the right side of the rear end of the first conveyor belt (4), and the material pushing mechanism (7) is provided with a material pushing portion that moves forward and backward; A third conveyor belt (11) is transversely arranged at the right end of the first conveyor belt (4), and a lifting handle (75) is fixedly connected to the telescopic end of the pushing portion of the pushing mechanism (7); The pushing portion of the pushing mechanism (7) extends to push the L-shaped tray (5) and the folded home textile products into the packaging bag opened by the bag-opening mechanism (6); the pushing portion of the pushing mechanism (7) retracts to drive the L-shaped tray (5) to withdraw through the descent of the lifting handle (75); A lifting bag taking and opening mechanism (10) is provided at the rear side of the bag holding mechanism (6), and a moving end of the lifting bag taking and opening mechanism (10) moves from a packaging bag bin (9) in the middle of the upper end of the second conveyor belt (8) to the top of the bag holding mechanism (6); The upper edge of the third conveyor belt (11) is fixedly equipped with a heat sealing structure (12); The rear wall of the folding feeding structure is fixedly equipped with a thickness detection structure (19), and its detection end extends to the top of the L-shaped tray (5); The external control cabinet controls the packaging bag bin (9) of corresponding size to move to the middle of the upper end of the second conveyor belt (8) according to the thickness of the home textile product detected by the thickness detection structure (19).

2. The intelligent packaging machine for home textile products according to claim 1, characterized in that: The folding feeding structure comprises: A home textile product folding mechanism (2) and a folded home textile product pushing mechanism (3); The output end of the folded home textile product pushing mechanism (3) is fixedly connected to the upper end of the feeding side of the first conveyor belt (4); The L-shaped tray (5) is located above the folded home textile product pushing mechanism (3); The folded home textile product pushing mechanism (3) pushes the L-shaped tray (5) and the folded home textile product thereon onto the first conveyor belt (4); A soot blowing and sterilizing mechanism (18) is fixedly mounted on the edge of the upper surface of the home textile product folding mechanism (2), and the output end of the soot blowing and sterilizing mechanism (18) faces the movable part of the home textile product folding mechanism (2); The thickness detection structure (19) is fixedly mounted on the rear wall of the folded home textile product pushing mechanism (3).

3. The intelligent packaging machine for home textile products according to claim 2, characterized in that: The home textile product folding mechanism (2) comprises: A folding mechanism bracket (27) is longitudinally embedded with a first cylinder (21) at the front side of the upper end thereof; A circular plate (22) is fixedly mounted on the telescopic upper end of the first cylinder (21), a first drive motor (23) is fixedly mounted on the middle of the front wall of the circular plate (22), and a rectangular plate (24) is fixedly connected to the output rear end of the first drive motor (23) through the circular plate (22); The left and right edges of the rectangular plate (24) are designed with rounded corners; A second cylinder (25) is vertically fixedly mounted on the front wall edge of the circular plate (22), and a transverse portion of an L-shaped rod (26) is fixedly connected to the telescopic front end of the second cylinder (25); The end of the longitudinal portion of the L-shaped rod (26) is fixedly connected to a push block (28), and the push block (28) moves backward with the L-shaped rod (26) to push the outer wall of the rectangular plate (24) to wrap around the home textile product and separate it from the rectangular plate (24).

4. The intelligent packaging machine for home textile products according to claim 2, characterized in that: The soot blowing and sterilizing mechanism (18) comprises: A longitudinal bracket (181) having a strip-shaped horizontal plate (182) fixedly mounted on its upper end; The strip-shaped horizontal plate (182) is evenly embedded with an air cylinder (183) along the length direction, and the output end of the air cylinder (183) is fixedly connected with a connecting pipe (184); The middle section of the connecting tube (184) is provided with a bellows (185), and the output end of the connecting tube (184) faces the movable part of the home textile product folding mechanism (2); The strip-shaped horizontal plate (182) is evenly embedded with a spray pipe (186) along the length direction, and the spray pipe (186) is fixedly connected to an atomizing nozzle on one side of the active part of the home textile product folding mechanism (2); The spray pipe (186) and the air cylinder (183) are spaced apart from each other.

5. The intelligent packaging machine for home textile products according to claim 1, characterized in that: The pushing mechanism (7) comprises: A material pushing mechanism bracket (71) is longitudinally fixedly mounted with a first linear module (72) at its upper end, and a strip-shaped mounting plate (73) is longitudinally fixedly mounted with the upper end of a slider of the first linear module (72); The front end of the bottom of the strip-shaped mounting plate (73) is laterally fixedly mounted with a third cylinder (74), and a lifting handle (75) is fixedly connected to the telescopic right end of the third cylinder (74); The slider of the first linear module (72) moves forward to drive the third cylinder (74) to move above the first conveyor belt (4); The movable part of the lifting handle (75) is lowered and clamped to the longitudinal part of the L-shaped tray (5).

6. The intelligent packaging machine for home textile products according to claim 5, characterized in that: The lifting handle (75) comprises: A vertical plate (751) fixedly connected to the telescopic right end of the third cylinder (74); A flat plate (752) is fixedly mounted on the upper end of the right side surface of the vertical plate (751), and a strip-shaped through hole (753) is longitudinally opened on the flat plate (752); A vertical plate (755) is slidably inserted into the strip-shaped through hole (753); A fourth cylinder (754) is vertically fixedly mounted on the bottom edge of the flat plate (752), and its telescopic upper end penetrates the flat plate (752); The upper end of the fourth cylinder (754) is fixedly connected to a connecting plate (756), and the connecting plate (756) is fixedly connected to the upper end of the right side surface of the vertical plate (755); The fourth cylinder (754) drives the vertical plate (755) to descend and engage with the longitudinal portion of the L-shaped tray (5).

7. The intelligent packaging machine for home textile products according to claim 1, characterized in that: The bag-supporting mechanism (6) comprises: The bag support mechanism base (61) has a lower bag opening suction cup (62) evenly embedded and mounted on the right edge of the upper end thereof; A fourth conveyor belt is embedded and installed in the middle of the bag-supporting mechanism base (61); The front and rear sides of the middle of the bag support mechanism base (61) are fixedly equipped with an L-shaped motor bracket (63) longitudinal portion, the upper end of the transverse portion of the motor bracket (63) is fixedly equipped with a second drive motor (64), and the output lower end passes through the transverse portion of the motor bracket (63); The output lower end of the second driving motor (64) is fixedly connected to one end of a bag opening plate (65), and the other ends of the bag opening plates (65) on both sides are in contact with each other; The lower bag opening suction cup (62) is used in conjunction with the lifting bag taking and bag opening mechanism (10).

8. The intelligent packaging machine for home textile products according to claim 7, characterized in that: The lifting bag taking and opening mechanism (10) comprises: A lifting rod (101) is fixedly mounted on the rear wall of the bag-supporting mechanism (6); one end of a second linear module (102) is fixedly mounted on the telescopic upper end of the lifting rod (101); and the other end of the second linear module (102) extends to the middle of the upper end of the second conveyor belt (8); The slider at the lower end of the second linear module (102) is fixedly mounted with a rectangular mounting plate (103), and the bottom surface is embedded with an upper bag opening suction cup (104) corresponding to the lower bag opening suction cup (62); A fifth cylinder (105) is vertically fixedly mounted on the edge of the rectangular mounting plate (103), and its output lower end penetrates the rectangular mounting plate (103) and is fixedly connected to a smoothing plate (106).

9. The intelligent packaging machine for home textile products according to claim 1, characterized in that: It also includes a base frame (1), wherein the folding feeding structure, the first conveyor belt (4), the bag supporting mechanism (6), the material pushing mechanism (7), the lifting bag taking and bag opening mechanism (10), the second conveyor belt (8) and the third conveyor belt (11) are all fixedly assembled on the upper end of the base frame (1).

10. The intelligent packaging machine for home textile products according to claim 1, characterized in that: A protective cover (17) is fixedly mounted on the upper end of the base frame (1), and a home textile product feeding window is provided on the outer wall of the protective cover (17) corresponding to the input end of the folding feeding structure; The rear left end of the folding feeding structure and the rear end of the pushing mechanism (7) extend to the outside of the protective cover (17); The outer wall of the protective cover (17) is provided with a home textile product discharge window corresponding to the discharge end of the device.

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