A flattening packaging device and method for duvet production

Abstract

The present invention discloses a flattening packaging device and method for the production of down quilts, which relates to the technical field of compression packaging, and includes: a machine body, a conveying unit is arranged inside the machine body, which is used to convey the down quilt, a pressure plate is arranged at the feeding end of the conveying unit to detect the weight of both sides of the down quilt when it moves along the conveying unit, and the pressure plate can swing and support the down quilt; a pressure unit is arranged outside the conveying unit, and detects the fluffiness of the down quilt when it contacts the down quilt; an extrusion structure, which adjusts the spacing according to the thickness of the down quilt after compression; a curling component is arranged at the discharge end of the extrusion structure, and the curling component rolls up the down quilt during the extrusion of the down quilt. In the process of packaging the down quilt, the present application determines the degree of compression of the down quilt by the support strength of the down quilt, so as to ensure that the down quilt will not be over-compressed after being packaged.

Description

Technical Field

[0001] The invention relates to the technical field of compression packaging, in particular to a flattening packaging device and method for producing down quilts. Background Art

[0002] The amount of expansion a duvet has is usually measured in “fill power”. Fill power refers to the volume in cubic inches (in³) that each ounce (about 30 grams) of down occupies under certain conditions. The higher the fill power, the warmer the duvet will be because it can trap more air.

[0003] Generally speaking, the fluffiness of duvets can be divided into the following levels:

[0004] 600-700 in³ / 30g: Normal bulkiness, suitable for spring and autumn.

[0005] 700-800 in³ / 30g: Medium bulk, suitable for winter use.

[0006] 800 in³ / 30g or more: High bulkiness, suitable for cold regions or people who are particularly afraid of cold.

[0007] Announcement No. CN117022731A discloses a down suction device for down processing, including a drying device, a conveying device is arranged on one side of the drying device, a bagging device is arranged at the output end of the conveying device, and a packaging assembly for bagging is placed on the bagging device; the bagging device includes a bracket arranged on one side of the output end of the conveying device, a support frame fixed to the top of the bracket, a bearing plate hinged to the top of the support frame, and a pushing unit 1 is hinged between the bearing plate and the bracket. This application facilitates the stacking and storage of packaged down and the transportation of down. At the same time, negative pressure vacuuming is used to package and store down, which protects the safety of down, effectively avoids bacterial erosion of down, increases the shelf life of down, reduces losses, and improves efficiency. It realizes the continuous loading, feeding, vacuuming, and unloading operations of down packaging, reduces the packaging difficulty of operators, and improves packaging efficiency.

[0008] In the process of duvet production and packaging, in order to reduce the packaging volume of the duvet and facilitate the transportation of the duvet, it is usually necessary to compress the duvet by vacuuming. However, due to the different down contents inside the duvet, the packaging device cannot adjust the compression state according to the support strength of the duvet, resulting in excessive compression or insufficient compression, resulting in excessive volume. Excessive compression of the duvet will lead to the following problems: Excessive compression will destroy the structure of the down, causing it to lose elasticity, resulting in a decrease in fluffiness, thereby affecting the thermal insulation performance. Long-term excessive compression will cause the down fibers to break or deform. The breathability of the duvet will also be affected. The compressed duvet may become airtight, affecting the comfort of use. Even after decompression, the duvet may not be able to fully recover to its original fluffy state, and it will take a long time to dry and pat it to partially recover.

[0009] Therefore, it is necessary to ensure that the down quilt will not be over-compressed during the packaging process, and also to ensure that it can be compressed to the minimum according to the state of the down quilt to reduce the volume as much as possible. For this purpose, the present application proposes a flattening packaging device for down quilt production. Summary of the invention

[0010] One of the purposes of the present invention is to provide a flattening and packaging device and method for the production of down quilts, determine the compression degree of the down quilt according to the fluffiness data of the down quilt, adjust the packaging compression degree according to the different contents of the down quilt, ensure the stability of the flattening and packaging of the down quilt, and avoid the situation where the down quilt is over-compressed.

[0011] To achieve the above objectives, the present invention is implemented through the following technical solutions: A flattening and packaging device for down quilt production, comprising:

[0012] A machine body, inside which a conveying unit is arranged for conveying the duvet, a pressure plate for detecting the weight of both sides of the duvet when the duvet moves along the conveying unit is arranged at the feeding end of the conveying unit, and the pressure plate can swing and support the duvet;

[0013] The pressure unit is arranged outside the conveying unit, and detects the fluffiness of the duvet when in contact with the duvet, determines the supporting force of the duvet according to the fluffiness, and determines the compression ratio of the duvet. The side of the pressure unit close to the pressure plate is expanded, and the duvet enters the pressure unit through the expanded position;

[0014] The extrusion structure adjusts the spacing according to the thickness of the duvet after compression. After being compressed, the duvet enters the inner side of the extrusion structure and is restricted by the extrusion structure. A curling component is arranged at the discharge end of the extrusion structure. The curling component rolls up the duvet during the extrusion process.

[0015] The compression system is arranged between the extrusion structure and the pressure unit, and calculates the compression speed and time of the filling cavity at each position according to the compression ratio obtained by the pressure unit, the down quilt fabric data and the filling cavity volume.

[0016] In one or more embodiments of the present invention, the pressure unit comprises:

[0017] The clamping plate is symmetrically arranged along the center plane of the machine body, and the expansion opening is located on the side of the clamping plate close to the pressure plate. A first mounting frame is arranged on the outside of the clamping plate, and the first mounting frame supports the clamping plate on the outside of the conveying unit. A plurality of pressure detection components for obtaining the fluffiness of the duvet are installed on the outside of the first mounting frame, and the pressure detection components penetrate the clamping plate and extend to the inside of the clamping plate;

[0018] A swingable elastic roller is arranged on the inner side of the splint, and the swinging force of the elastic roller is smaller than the supporting force of the duvet. An elastic member is arranged on the outer side of the elastic roller to support the elastic roller. A distance measuring sensor having the same number as the elastic roller is arranged on the inner side of the first mounting frame to detect the distance of the elastic roller, and the extension degree of the pressure detection unit is determined according to the distance between the distance measuring sensor and the elastic roller.

[0019] In one or more embodiments of the present invention, the pressure detection assembly includes:

[0020] The telescopic frame is telescopically arranged between the clamping plate and the first mounting frame, an electric push rod is arranged at one end of the telescopic frame close to the first mounting frame to push and change the distance of the telescopic frame, and a guide wheel is arranged at one end of the telescopic frame extending to the inner side of the clamping plate, and the guide wheel can be rotatably sleeved in the telescopic frame and contact the duvet;

[0021] The pressing sheet is swingably arranged inside the telescopic frame, a pressure sensor is arranged between the pressing sheet and the telescopic frame, and a detection end of the pressure sensor contacts the pressing sheet and detects the pressing pressure.

[0022] In one or more embodiments of the present invention, the delivery unit comprises:

[0023] A guide rod is fixed inside the machine body, a pressure plate is arranged at one end of the guide rod for feeding, an adjustment roller is arranged in the middle of the pressure plate, a driving motor is arranged at one end of the adjustment roller, and the driving motor drives the adjustment roller to change the position of the duvet;

[0024] The conveyor belt is installed on the outside of the top of the machine body. A clamping block is arranged on the outside of the conveyor belt to drive the clamping block to move. The conveyor belt is driven to move through a transmission component. An elastic plate is arranged on the inside of the clamping block. Both ends of the elastic plate are sleeved on the inside of the clamping block and can swing relative to the clamping block.

[0025] In one or more embodiments of the present invention, the extruded structure comprises:

[0026] A second mounting frame is fixed to the outside of the machine body, and an extrusion plate is arranged inside the second mounting frame, and the extrusion plate is telescopically mounted inside the second mounting frame;

[0027] The connecting frame is arranged between the extrusion plate and the second mounting frame and connects the extrusion plate and the second mounting frame. A driving member is arranged on one side of the connecting frame. The driving member changes the state of the connecting frame to control the extrusion plate to adjust the spacing. The feeding end of the control plate is curled.

[0028] In one or more embodiments of the present invention, the crimping assembly comprises:

[0029] The driving disk is rotatably embedded in the body, and is driven by a servo motor. A plurality of arc-shaped partitions are arranged inside the driving disk, and a transmission structure is arranged between the arc-shaped partitions and the driving disk, so that the arc-shaped partitions are controlled to slide relative to the driving disk during the rotation of the driving disk.

[0030] A pinch plate is swingably arranged on the outside of the driving disk, the pinch plate extends toward the axis of the driving disk, and a micro push rod is arranged on the outside of the arc-shaped partition to control the tilt angle of the pinch plate;

[0031] The slide is fixed to the bottom of the driving disc. A hydraulic chuck is arranged inside the slide. The hydraulic chuck clamps the duvet and drives the duvet to rotate.

[0032] In one or more embodiments of the present invention, the compression system comprises:

[0033] A processor, fixed to the outside of the body, the processor comprising a display for displaying the compression state;

[0034] A third mounting frame is fixed to the inner side of the machine body, and a plurality of groups of retractable suction cups are arranged inside the third mounting frame, and each group of suction cups is connected to an air pump through a flexible tube;

[0035] A positioning plate is arranged on the back of the suction cup to support the suction cup. Camshafts are arranged at both ends of the positioning plate to support the positioning plate. The camshafts are rotatably installed inside the third mounting frame and are driven by a positioning motor.

[0036] In one or more embodiments of the present invention, the compression system further comprises:

[0037] The column is fixed to the inner side of the machine body and connected to the guide rail to form a support for the guide rail. A plurality of through holes penetrating the column are provided on the outer side of the column, and the interior of the column is hollow, and the through holes are interconnected. The cross section of the column is an isosceles trapezoid;

[0038] The rotating drum is installed on the inner side of the column and can rotate relative to the column. An electromagnetic component is arranged at the bottom of the rotating drum to drive the rotating drum to rotate, and an air pump is arranged at the bottom of the column to evacuate air from the column.

[0039] The present application also provides a method for packaging a down quilt, which is used in the above-mentioned flattening and packaging device, and comprises the following steps:

[0040] The duvet that has passed the quality inspection enters the conveying unit. The pressure plate detects the pressure on both sides of the duvet and adjusts the position of the duvet according to the pressure on both sides of the duvet. The conveying unit drives the duvet to move.

[0041] When the duvet passes through the pressure unit, different fluffiness of the duvet corresponds to different supporting forces. The pressure unit obtains the supporting force of the duvet and determines the compression ratio of the duvet.

[0042] The compression system compresses the duvet, and then the duvet is compressed by the extrusion structure to ensure the compression stability of the duvet;

[0043] The duvet produced by the extrusion structure is rolled into a tube by a curling assembly for packaging.

[0044] In one or more embodiments of the present invention, the compression speed of the duvet by the compression system and the change in the spacing between the compression structures are determined by the pressure unit detecting the supporting force of the duvet.

[0045] Through the above technical solution, the present invention has the following beneficial effects:

[0046] 1. In the process of packaging a down quilt, the present application determines the degree of compression of the down quilt by the supporting strength of the down quilt to ensure that the down quilt will not be over-compressed after being packaged. When compressing down quilts of different fluffiness, the present application can adaptively make corresponding adjustments to reduce the volume of the down quilt as much as possible while ensuring that the down quilt will not be over-compressed.

[0047] 2. When the duvet is being transported in the conveying system, the pressure unit is attached to the outer wall of the duvet, and the fluffiness of the duvet determines the support strength of the duvet for the pressure unit. The quality of the down in the duvet can be determined by the change in the support strength of the pressure unit, and the degree of compression of the duvet can be determined based on the quality of the down.

[0048] 3. Determine the exhaust data of the duvet through the fabric used for the duvet, and determine the exhaust time of the filling cavity at that position based on the exhaust data and the volume of each filling cavity, calculate the compression ratio corresponding to different exhaust times, and determine the corresponding compression ratio of the duvet based on the fluffiness of the duvet, and further determine the compression state of the duvet corresponding to each position.

[0049] 4. When packaging the duvet, the duvet can be curled. Before the duvet is curled, the clamping state of the duvet is adjusted according to the compression ratio of the duvet to prevent the duvet from recovering before packaging, thereby ensuring the stability of the duvet during the packaging process and further ensuring the packaging quality of the duvet. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1A schematic diagram of a combination of multiple packaging devices of the present invention;

[0051] Figure 2 It is a schematic diagram of a single packaging device of the present invention;

[0052] Figure 3 This is a schematic diagram of the present invention with part of the body removed;

[0053] Figure 4 It is a schematic diagram of the structure of the outer clamping block of the conveyor belt of the present invention;

[0054] Figure 5 It is a schematic diagram of the removal and conveying unit of the present invention;

[0055] Figure 6 It is a partial structural schematic diagram of the present invention;

[0056] Figure 7 It is a schematic diagram of the inner structure of the splint of the present invention;

[0057] Figure 8 It is a schematic diagram of a splint of the present invention;

[0058] Fig. 9 It is a partial structural schematic diagram of the pressure unit of the present invention;

[0059] Fig.10 It is a schematic diagram of the extrusion structure, curling assembly and compression system of the present invention;

[0060] Fig.11 It is a partial structural schematic diagram of the compression system of the present invention;

[0061] Fig.12 It is a schematic diagram of the internal structure of the third mounting frame of the present invention;

[0062] Fig.13 It is a schematic diagram of the internal structure of the column of the present invention;

[0063] Fig.14 It is a schematic diagram of the extrusion structure part of the present invention;

[0064] Fig.15 It is a partial schematic diagram of the curling assembly of the present invention;

[0065] Fig.16 It is a schematic diagram of the connection between the slide table and the hydraulic chuck of the present invention;

[0066] Fig.17 It is a plan view of the transmission structure of the present invention.

[0067] In the figure: 1 body, 2 conveying unit, 3 pressure plate, 4 pressure unit, 5 extrusion structure, 6 crimping assembly, 7 compression system;

[0068] 11 a first mounting frame, 12 a second mounting frame, 13 a third mounting frame;

[0069] 21 guide rod, 22 adjustment roller, 23 drive motor, 24 conveyor belt, 25 clamping block, 26 elastic plate;

[0070] 41 clamping plate, 42 expansion opening, 43 pressure detection component, 44 elastic roller, 45 elastic member, 46 distance sensor;

[0071] 431 telescopic frame, 432 electric push rod, 433 guide wheel, 434 pressing piece, 435 pressure sensor;

[0072] 51 extrusion plate, 52 connecting frame, 53 driving member;

[0073] 61 driving plate, 62 servo motor, 63 arc-shaped partition plate, 64 transmission structure, 65 buckle plate, 66 micro push rod, 67 slide table, 68 hydraulic chuck;

[0074] 72 suction cup, 73 positioning plate, 74 camshaft, 75 positioning motor, 76 column, 77 through hole, 78 rotating drum, 79 air pump. DETAILED DESCRIPTION

[0075] The following will disclose multiple embodiments of the present invention with the accompanying drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. And if it is possible to implement, the features of different embodiments can be applied interchangeably.

[0076] See also Figure 1-Figure 15 The present invention provides a flattening and packaging device for use in the production of down quilts, which is used to flatten and package the down quilts, and adjust the compression ratio of the down quilts according to the different fluffiness inside the down quilts. In one embodiment, the packaging device includes:

[0077] A machine body 1, inside which a conveying unit 2 is arranged for conveying the duvet, a pressure plate 3 for detecting the weight of both sides of the duvet when the duvet moves along the conveying unit 2 is arranged at the feeding end thereof, and the pressure plate 3 can swing and support the duvet;

[0078] The pressure unit 4 is arranged outside the conveying unit 2, and detects the fluffiness of the duvet when in contact with the duvet, determines the supporting force of the duvet according to the fluffiness, and determines the compression ratio of the duvet. The side of the pressure unit 4 close to the pressure plate 3 is provided with a flared opening 42, and the duvet enters the pressure unit 4 through the flared opening 42;

[0079] The extrusion structure 5 adjusts the spacing according to the thickness of the duvet after compression. After being compressed, the duvet enters the inner side of the extrusion structure 5 and is restricted by the extrusion structure 5. A curling component 6 is arranged at the discharge end of the extrusion structure 5. The curling component 6 rolls up the duvet during the extrusion process.

[0080] The compression system 7 is arranged between the extrusion structure 5 and the pressure unit 4, and calculates the compression speed and time of the filling cavity at each position according to the compression ratio obtained by the pressure unit 4, the down quilt fabric data and the filling cavity volume.

[0081] In this embodiment, the pressure unit 4 detects the fluffiness of the duvet to determine the supporting force of the duvet, and the fluffiness of the duvet is related to the filling of the duvet, and the filling has different recovery abilities after being compressed. A high-fluffy duvet requires a smaller compression ratio to avoid damaging the internal down structure during the compression process. Therefore, by obtaining different compression ratios through the different fluffiness of the duvet, the stability of the down structure ratio inside the duvet can be guaranteed as much as possible to prevent excessive compression.

[0082] After the duvet is compressed, the duvet will recover. Therefore, after the duvet is compressed, the squeezing structure 5 is used to limit the thickness of the duvet to prevent the duvet from recovering during transportation. In the process of curling and packaging, the curling component 6 is used to limit the duvet again to ensure that the duvet does not expand excessively.

[0083] In order to ensure that the internal filling of the down quilt is evenly distributed, the down quilt is divided into multiple filling cavities, which are divided by sewing. The compression speed and compression time of each filling cavity are calculated according to the different sizes of each filling cavity to ensure that the compression ratio of each filling cavity is certain.

[0084] In one embodiment, the pressure unit 4 comprises:

[0085] The clamping plate 41 is symmetrically arranged along the central plane of the machine body 1, and the expansion opening 42 is located on the side of the clamping plate 41 close to the pressure plate 3. The first mounting frame 11 is arranged outside the clamping plate 41, and the first mounting frame 11 supports the clamping plate 41 outside the conveying unit 2. A plurality of pressure detection components 43 for obtaining the fluffiness of the duvet are installed outside the first mounting frame 11, and the pressure detection components 43 penetrate the clamping plate 41 and extend to the inside of the clamping plate 41;

[0086] A swingable elastic roller 44 is arranged on the inner side of the splint 41, and the swinging force of the elastic roller 44 is smaller than the supporting force of the duvet. An elastic member 45 is arranged on the outer side of the elastic roller 44 to support the elastic roller 44. A distance measuring sensor 46 having the same number as the elastic roller 44 is arranged on the inner side of the first mounting frame 11 to detect the distance of the elastic roller 44, and the extension and retraction degree of the pressure detection unit is determined according to the distance between the distance measuring sensor 46 and the elastic roller 44.

[0087] Optionally, the elastic member 45 is a spring sheet, which supports the elastic roller 44 toward the central symmetric plane of the body 1 , and after the duvet enters the interior of the clamping plate 41 , the elastic roller 44 is supported to change the distance between it and the distance measuring sensor 46 .

[0088] Alternatively, the elastic body is a spring, and the elastic force of the spring is smaller than the supporting force of the duvet. Similarly, after the duvet enters the inner side of the clamping plate 41 , it pushes the elastic roller 44 to change the distance between the duvet and the elastic roller 44 .

[0089] In this embodiment, the function of the pressure unit 4 is to determine the supporting force of the down quilt, so as to determine the compression ratio corresponding to the down quilt according to the different supporting forces of the down quilt, wherein the pressure detection component 43 can be set as a pressure sensor 435, and an electric push rod 432 is set to change the telescopic distance of the pressure sensor 435.

[0090] In one embodiment, the pressure detection component 43 includes:

[0091] The telescopic frame 431 is telescopically arranged between the clamping plate 41 and the first mounting frame 11. An electric push rod 432 is arranged at one end of the telescopic frame 431 close to the first mounting frame 11 to push and change the distance of the telescopic frame 431. A guide wheel 433 is arranged at one end of the telescopic frame 431 extending to the inner side of the clamping plate 41. The guide wheel 433 is rotatably sleeved in the telescopic frame 431 and in contact with the duvet.

[0092] The pressing piece 434 is swingably disposed inside the telescopic frame 431 . A pressure sensor 435 is disposed between the pressing piece and the telescopic frame 431 . The detection end of the pressure sensor 435 contacts the pressing piece 434 and detects the pressure of the pressing piece 434 .

[0093] In this embodiment, a guide wheel 433 is provided on the inner side of the telescopic frame 431, which can facilitate the transportation of the down quilt during the transportation process and prevent the down quilt from being blocked by the detection end of the pressure sensor 435 during the transportation process, resulting in the down quilt being unable to enter between the pressure sensors 435 for pressure detection.

[0094] The supporting force of the down quilt is tested by means of the pressing plate 434. During the test, only one end of the pressing plate 434 contacts the down quilt. Therefore, the dividing position of the down filling cavity can be tested. Since the dividing positions of the down filling cavity are sewn, their supporting force will be smaller than that of the unsewn positions. Therefore, the width of the down filling cavity can be further verified by the pressure change of the pressing plate 434.

[0095] In one embodiment, the conveying unit 2 comprises:

[0096] The guide rod 21 is fixed inside the machine body 1, the pressure plate 3 is arranged at the feeding end of the guide rod 21, and the middle of the pressure plate 3 is provided with an adjustment roller 22, and a driving motor 23 is arranged at one end of the adjustment roller 22, and the driving motor 23 drives the adjustment roller 22 to change the position of the duvet;

[0097] The conveyor belt 24 is installed on the outer side of the top of the body 1. A clamping block 25 is arranged on the outer side of the conveyor belt 24 to drive the clamping block 25 to move. The conveyor belt 24 is driven to move by a transmission component. An elastic plate 26 is arranged on the inner side of the clamping block 25. Both ends of the elastic plate 26 are sleeved on the inner side of the clamping block 25 and can swing relative to the clamping block 25.

[0098] In this embodiment, the elastic plate 26 contracts toward the inside of the clamping block 25 after being supported by the duvet and the guide rod 21, and the two sides of the elastic plate 26 move inward to contact the duvet, thereby ensuring the stable movement of the duvet. The outer wall of the guide rod 21 is smooth to facilitate the duvet to slide on the guide rod 21. The guide rod 21 is supported at the bottom of the guide rod 21, so the duvet is not restricted.

[0099] One end of the guide rod 21 on which the pressure plate 3 is arranged can be connected to the duvet quality detection step, and the duvet quality step directly transports the duvet to the outside of the pressure plate 3.

[0100] The transmission assembly is a transmission motor that drives the conveyor belt 24 wheels, thereby causing the conveyor belt 24 to rotate.

[0101] In one embodiment, the extruded structure 5 comprises:

[0102] The second mounting frame 12 is fixed to the outside of the machine body 1, and an extrusion plate 51 is arranged inside the second mounting frame 12. The extrusion plate 51 can be telescopically installed inside the second mounting frame 12;

[0103] The connecting frame 52 is arranged between the extrusion plate 51 and the second mounting frame 12 and connects the extrusion plate 51 and the second mounting frame 12. A driving member 53 is arranged on one side of the connecting frame 52. The driving member 53 changes the state of the connecting frame 52 to control the extrusion plate 51 to adjust the spacing. The feeding end of the control plate is curled.

[0104] In this embodiment, the squeezing plate 51 is provided to control the state of the duvet after being compressed, so as to prevent the duvet from expanding when being packaged and affecting the compression ratio of the duvet.

[0105] In another embodiment, the outer side of the extrusion plate 51 is wrapped with a rotatable laminating film, and the laminating film is controlled by a control component arranged on the inner side of the extrusion plate 51. The motor controls the movement of the laminating film through a roller, and the laminating film is adhered to the outer surface of the duvet after the duvet enters the inner side of the extrusion plate 51, thereby reducing the air intake area of ​​the duvet and further ensuring the stability of the duvet.

[0106] In one embodiment, the crimping assembly 6 comprises:

[0107] The driving disk 61 is rotatably embedded in the body 1. The driving disk 61 is driven by a servo motor 62. A plurality of arc-shaped baffles 63 are arranged inside the driving disk 61. A transmission structure 64 is arranged between the arc-shaped baffles 63 and the driving disk 61. When the driving disk 61 rotates, the arc-shaped baffles 63 are controlled to slide relative to the driving disk 61.

[0108] The pinch plate 65 is swingably disposed on the outside of the driving disk 61, and the pinch plate 65 extends toward the axis of the driving disk 61. A micro push rod 66 is disposed on the outside of the arc-shaped partition plate 63 to control the tilt angle of the pinch plate 65;

[0109] The slide 67 is fixed to the bottom of the driving disk 61. A hydraulic chuck 68 is arranged inside the slide 67. The hydraulic chuck 68 clamps the duvet and drives the duvet to rotate.

[0110] In this embodiment, the transmission structure 64 is a combination of a crown gear, a worm and a rack. The crown gear is fixed inside the body 1 and does not rotate, while the worm is installed on the outside of the drive disk 61 and meshes with the crown gear. As the drive disk 61 rotates, the worm is driven to rotate, and the crown gear meshes with the worm, thereby driving the worm to rotate, and the rotation of the worm drives the rack to slide.

[0111] The gusset plate 65 can prevent the duvet from falling and support the duvet. When the duvet falls off and enters the package, the gusset plate 65 can also support the packaging bag.

[0112] In one embodiment, the compression system 7 comprises:

[0113] A processor, fixed to the outside of the body 1, the processor comprising a display for displaying the compression state;

[0114] The third mounting frame 13 is fixed to the inner side of the body 1. A plurality of groups of retractable suction cups 72 are arranged inside the third mounting frame 13. Each group of suction cups 72 is connected to an air pump 79 through a flexible tube.

[0115] The positioning plate 73 is arranged on the back of the suction cup 72 to support the suction cup 72. Camshafts 74 are arranged at both ends of the positioning plate 73 to support the positioning plate 73. The camshaft 74 can be rotatably installed inside the third mounting frame 13. The camshaft 74 is driven by a positioning motor 75.

[0116] In this embodiment, a compression spring is provided at one end of the positioning plate 73 away from the camshaft 74 to support the positioning plate 73 and control the position of the suction cup 72. With the support of the camshaft 74, the suction cup 72 can all be extended outward for air extraction and compression, or can be extended outward in a single or double group for air extraction.

[0117] The processor is used to control the air pumping time and air pumping speed of the air pump 79, and the air pumping time is calculated according to the volume of each filling cavity and the air permeability of the duvet:

[0118] Breathability of duvet fabric: Breathability is usually expressed by air permeability, in cm 3 / cm 2 / s.

[0119] Fill cavity volume: The volume of each fill cavity can be calculated by measuring the thickness and area of ​​the duvet.

[0120] Compression ratio: Compression ratio refers to the volume ratio of the duvet before and after compression.

[0121] In one embodiment, the compression system 7 further comprises:

[0122] The column 76 is fixed to the inner side of the body 1 and connected to the guide rail to form a support for the guide rail. A plurality of through holes 77 penetrating the column 76 are provided on the outer side of the column 76, and the interior of the column 76 is hollow, and the through holes 77 are interconnected. The cross section of the column 76 is an isosceles trapezoid;

[0123] The rotating drum 78 is installed on the inner side of the column 76 and can rotate relative to the column 76. An electromagnetic component is arranged at the bottom of the rotating drum 78 to drive the rotating drum 78 to rotate. An air pump 79 is arranged at the bottom of the column 76 to evacuate air from the column 76.

[0124] In this embodiment, a thread groove is provided inside the column 76 , and the rotating drum 78 extends inside the thread groove. The rotating drum 78 rotates to adjust the size of the through hole 77 , and the electromagnetic assembly cooperates with an electromagnetic ring to control the position of the rotating drum 78 .

[0125] A rotating drum 78 is provided to adjust the connection size of the through hole 77 during use, thereby changing the air pump 79's air extraction state of the duvet through the through hole 77, thereby ensuring stable compression of the duvet.

[0126] The present application also provides a method for packaging a down quilt, which is used in the above-mentioned flattening and packaging device, and comprises the following steps:

[0127] The duvet that has passed the quality inspection enters the conveying unit 2, and the pressure plate 3 detects the pressure on both sides of the duvet, adjusts the position of the duvet according to the pressure on both sides of the duvet, and the conveying unit 2 drives the duvet to move;

[0128] When the duvet passes through the pressure unit 4, different fluffiness of the duvet corresponds to different supporting forces. The pressure unit 4 obtains the supporting force of the duvet and determines the compression ratio of the duvet.

[0129] The compression system 7 works to compress the duvet, and then the duvet is compressed by the compression structure 5 to ensure the compression stability of the duvet;

[0130] The duvet produced by the extrusion structure 5 is rolled into a tube by a rolling assembly 6 for packaging.

[0131] In one embodiment, the compression speed of the duvet by the compression system 7 and the change in the spacing between the compression structures 5 are determined by the pressure unit 4 detecting the supporting force of the duvet.

[0132] Although the present invention is disclosed in conjunction with the above embodiments, it is not intended to limit the present invention. Anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the attached claims.

Claims

1. A flattening and packaging device for duvet production, characterized in that: include: A machine body, inside which a conveying unit is arranged for conveying the duvet, a pressure plate for detecting the weight of both sides of the duvet when the duvet moves along the conveying unit is arranged at the feeding end of the conveying unit, and the pressure plate can swing and support the duvet; The pressure unit is arranged outside the conveying unit, and detects the fluffiness of the duvet when in contact with the duvet, determines the supporting force of the duvet according to the fluffiness, and determines the compression ratio of the duvet. The side of the pressure unit close to the pressure plate is expanded, and the duvet enters the pressure unit through the expanded position; The extrusion structure adjusts the spacing according to the thickness of the duvet after compression. After being compressed, the duvet enters the inner side of the extrusion structure and is restricted by the extrusion structure. A curling component is arranged at the discharge end of the extrusion structure. The curling component rolls up the duvet during the extrusion process. The compression system is arranged between the extrusion structure and the pressure unit, and calculates the compression speed and time of the filling cavity at each position according to the compression ratio obtained by the pressure unit, the down quilt fabric data and the filling cavity volume.

2. A flattening and packaging device for duvet production according to claim 1, characterized in that: The pressure unit consists of: The clamping plate is symmetrically arranged along the center plane of the machine body, and the expansion opening is located on the side of the clamping plate close to the pressure plate. A first mounting frame is arranged on the outside of the clamping plate, and the first mounting frame supports the clamping plate on the outside of the conveying unit. A plurality of pressure detection components for obtaining the fluffiness of the duvet are installed on the outside of the first mounting frame, and the pressure detection components penetrate the clamping plate and extend to the inside of the clamping plate; A swingable elastic roller is arranged on the inner side of the splint, and the swinging force of the elastic roller is smaller than the supporting force of the duvet. An elastic member is arranged on the outer side of the elastic roller to support the elastic roller. A distance measuring sensor having the same number as the elastic roller is arranged on the inner side of the first mounting frame to detect the distance of the elastic roller, and the extension degree of the pressure detection unit is determined according to the distance between the distance measuring sensor and the elastic roller.

3. The flattening and packaging device for duvet production according to claim 2, characterized in that: The pressure detection components include: The telescopic frame is telescopically arranged between the clamping plate and the first mounting frame, an electric push rod is arranged at one end of the telescopic frame close to the first mounting frame to push and change the distance of the telescopic frame, and a guide wheel is arranged at one end of the telescopic frame extending to the inner side of the clamping plate, and the guide wheel can be rotatably sleeved in the telescopic frame and contact the duvet; The pressing sheet is swingably arranged inside the telescopic frame, a pressure sensor is arranged between the pressing sheet and the telescopic frame, and a detection end of the pressure sensor contacts the pressing sheet and detects the pressing pressure.

4. The flattening and packaging device for duvet production according to claim 3, characterized in that: The conveying unit includes: A guide rod is fixed inside the machine body, a pressure plate is arranged at one end of the guide rod for feeding, an adjustment roller is arranged in the middle of the pressure plate, a driving motor is arranged at one end of the adjustment roller, and the driving motor drives the adjustment roller to change the position of the duvet; The conveyor belt is installed on the outside of the top of the machine body. A clamping block is arranged on the outside of the conveyor belt to drive the clamping block to move. The conveyor belt is driven to move through a transmission component. An elastic plate is arranged on the inside of the clamping block. Both ends of the elastic plate are sleeved on the inside of the clamping block and can swing relative to the clamping block.

5. The flattening and packaging device for duvet production according to claim 4, characterized in that: The extruded structure includes: A second mounting frame is fixed to the outside of the machine body, and an extrusion plate is arranged inside the second mounting frame, and the extrusion plate is telescopically mounted inside the second mounting frame; The connecting frame is arranged between the extrusion plate and the second mounting frame and connects the extrusion plate and the second mounting frame. A driving member is arranged on one side of the connecting frame. The driving member changes the state of the connecting frame to control the extrusion plate to adjust the spacing. The feeding end of the control plate is curled.

6. The flattening and packaging device for duvet production according to claim 5, characterized in that: The curling kit includes: The driving disk is rotatably embedded in the body, and is driven by a servo motor. A plurality of arc-shaped partitions are arranged inside the driving disk, and a transmission structure is arranged between the arc-shaped partitions and the driving disk, so that the arc-shaped partitions are controlled to slide relative to the driving disk during the rotation of the driving disk. A pinch plate is swingably arranged on the outside of the driving disk, the pinch plate extends toward the axis of the driving disk, and a micro push rod is arranged on the outside of the arc-shaped partition to control the tilt angle of the pinch plate; The slide is fixed to the bottom of the driving disc. A hydraulic chuck is arranged inside the slide. The hydraulic chuck clamps the duvet and drives the duvet to rotate.

7. The flattening and packaging device for duvet production according to claim 6, characterized in that: The compression system includes: A processor, fixed to the outside of the body, the processor comprising a display for displaying the compression state; A third mounting frame is fixed to the inner side of the machine body, and a plurality of groups of retractable suction cups are arranged inside the third mounting frame, and each group of suction cups is connected to an air pump through a flexible tube; A positioning plate is arranged on the back of the suction cup to support the suction cup. Camshafts are arranged at both ends of the positioning plate to support the positioning plate. The camshafts are rotatably installed inside the third mounting frame and are driven by a positioning motor.

8. The flattening and packaging device for duvet production according to claim 7, characterized in that: The compression system also includes: The column is fixed to the inner side of the machine body and connected to the guide rail to form a support for the guide rail. A plurality of through holes penetrating the column are provided on the outer side of the column, and the interior of the column is hollow, and the through holes are interconnected. The cross section of the column is an isosceles trapezoid; The rotating drum is installed on the inner side of the column and can rotate relative to the column. An electromagnetic component is arranged at the bottom of the rotating drum to drive the rotating drum to rotate, and an air pump is arranged at the bottom of the column to evacuate air from the column.

9. A method for packaging a down quilt, used in a flattening and packaging device for producing a down quilt as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: The duvet that has passed the quality inspection enters the conveying unit. The pressure plate detects the pressure on both sides of the duvet and adjusts the position of the duvet according to the pressure on both sides of the duvet. The conveying unit drives the duvet to move. When the duvet passes through the pressure unit, different fluffiness of the duvet corresponds to different supporting forces. The pressure unit obtains the supporting force of the duvet and determines the compression ratio of the duvet. The compression system compresses the duvet, and then the duvet is compressed by the extrusion structure to ensure the compression stability of the duvet; The duvet produced by the extrusion structure is rolled into a tube by a curling assembly for packaging.

10. A method for packaging a down quilt according to claim 9, characterized in that: The compression speed of the duvet by the compression system and the change in the spacing between the compression structures are determined by the pressure unit detecting the supporting force of the duvet.

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