Wet towel folding and packaging machine

By designing a wet towel folding and packaging machine and adopting the method of cross secondary folding and squeezing and conveying, the problem of low efficiency of wet towel packaging is solved, and the automatic folding and sealing packaging of wet towels is realized.

CN223467428UActive Publication Date: 2025-10-24广东快裕达精密机械有限公司
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Patent Information

Application Number
CN202423062504.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-24
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The folding and packaging efficiency of towel packaging equipment in the prior art is low, especially the automated packaging of wet towels has efficiency problems.

Method used

A wet towel folding and packaging machine is designed, which includes a frame, a first folding device, a squeezing and conveying device, a second folding device, a bagging device and an output device. The wet towels are automatically folded and sealed and packaged through cross-secondary folding, squeezing and conveying and automatic bagging.

Benefits of technology

The automatic folding and sealing packaging of wet towels is realized, the packaging efficiency is improved, the amount of water in the towels is controlled, and the automatic packaging process of the wet towels is completed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of towel packaging equipment, and particularly relates to a wet towel folding and packaging machine which comprises a machine frame, a first folding device, a squeezing and conveying device, a second folding device, a bagging device and an output device. The squeezing and conveying device is fixedly installed on the rack, the input end of the squeezing and conveying device is adjacent to the output end of the first folding device, a plurality of avoiding positions are arranged on a conveying path of the squeezing and conveying device, and the second folding device stretches across the conveying path of the squeezing and conveying device and is used for folding towels in conveying to penetrate through the avoiding positions; the bagging device is fixedly installed in the rack, located below the squeezing and conveying device and the second folding device and used for receiving the folded towels; the output device is fixedly installed in the machine frame and located below the output end of the bagging device, and through the structure, automatic folding and packaging of the wet towels are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to towel packaging equipment technical field, especially relates to a wet towel folding and packaging machine. BACKGROUND

[0002] With the social economic development, the people living standard is increasing, and the demand of catering, accommodation and other service industry also synchronously promotes. While enjoying the comfortable and clean service, the consumption of disposable wet towel or convenient dry towel also greatly promotes. In order to facilitate the packaging, transportation and neat of towel, the towel needs to be folded, especially the towel supplied to hotel and catering, is folded and then packed into bag or wrapped with protective film, and the current folding is manually folded, or some are folded by machine and then manually packed into packaging machine (especially pillow type packaging machine). The folding and packaging of the existing technology have the technical problem of low efficiency. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a wet towel folding and packaging machine, which aims at solving the technical problem of low folding and packaging efficiency of the packaging equipment in the prior art.

[0004] To achieve the above object, the utility model embodiment provides a wet towel folding and packaging machine, which comprises a rack, a first folding device, a squeezing and conveying device, a second folding device, a bagging device and an output device, wherein:

[0005] The rack is used for supporting the structure installation.

[0006] The first folding device is fixedly installed on the rack and is used for crosswise and twice folding the towel.

[0007] The squeezing and conveying device is fixedly installed on the rack, and the input end of the squeezing and conveying device is arranged adjacent to the output end of the first folding device. A plurality of avoidance positions are arranged on the conveying path of the squeezing and conveying device.

[0008] A plurality of second folding devices are fixedly installed on the rack, and the second folding devices span the conveying path of the squeezing and conveying device and are used for folding the towel in conveying through the avoidance positions.

[0009] The bagging device is fixedly installed in the rack, and the bagging device is located below the squeezing and conveying device and the second folding device and is used for receiving the folded towel.

[0010] The output device is fixedly installed in the rack, and the output device is located below the output end of the bagging device.

[0011] Preferably, the first folding device comprises a first folding device, a second folding device, a shaping device and a first conveying device, the first folding device, the second folding device, the shaping device and the first conveying device are all fixedly installed on the frame, the first folding device is arranged across the first conveying device, the second folding device and the shaping device are both arranged below the first conveying device for receiving the once-folded towel, and the shaping device is arranged with an opening facing upward below the folding end of the first folding device, the shaping device is arranged adjacent to the input end of the wringing conveying device, the folding end of the second folding device is arranged towards the side of the shaping device, and the second folding device can pass through the shaping device for moving the twice-folded towel to the wringing conveying device.

[0012] Preferably, the shaping device comprises a first shaping plate, a second shaping plate and a plurality of first positioning devices, the first shaping plate and the second shaping plate are arranged oppositely, the first positioning devices are arranged on one side of the first shaping plate, and the positioning end of the first positioning devices can abut against the towel by passing through the first shaping plate, the second shaping plate is arranged adjacent to the wringing conveying device, and the folding end of the second folding device can extend to the wringing conveying device by sequentially passing through the first shaping plate and the second shaping plate.

[0013] Preferably, the first folding device comprises a first mounting frame, a first lifting device and a first inserting plate, the first mounting frame is fixedly installed on the frame across the first conveying device, the first lifting device is fixedly installed on the first mounting frame, and the first inserting plate is fixedly installed on the moving end of the first lifting device towards the downward direction.

[0014] Preferably, a plurality of first material withdrawal positioning holes are formed in the bottom of the first inserting plate, and the moving end of the first positioning device is arranged towards the first material withdrawal positioning holes.

[0015] Preferably, the second folding device comprises a first lateral moving device and a second inserting plate, the first lateral moving device is fixedly installed on the frame, the second inserting plate is fixedly installed on the moving end of the first lateral moving device, and the end of the second inserting plate is provided with a second material withdrawal positioning hole.

[0016] Preferably, the second folding device comprises a second mounting frame, a second lifting device and a third inserting plate, the second mounting frame is fixedly installed on the frame across the conveying path of the wringing conveying device, the second lifting device is fixedly installed on the second mounting frame, and the third inserting plate is fixedly installed on the moving end of the second lifting device towards the downward direction.

[0017] Preferably, the bagging device comprises a bag storing device, a bag taking device, a moving device, a moving module, a bag sealing device and a bag opening device, the bag opening device is fixedly installed below the conveying path of the wringing conveying device, and the bag opening device is located below the folding end of the second folding device; the bag storing device, the moving module and the bag sealing device are fixedly installed in the rack, the bag storing device and the bag sealing device are respectively located at both ends of the moving module, and the bag sealing device is located above the output device; the bag taking device and the moving device are respectively fixedly installed on both moving ends of the moving module, the bag taking device is movably arranged between the bag storing device and the bag opening device, and the moving device is movably arranged between the bag opening device and the bag sealing device.

[0018] Preferably, the bag storing device comprises a height adjusting device, a transverse adjusting device, a pushing device and two limiting plates, the height adjusting device is fixedly installed on the rack, the transverse adjusting device is fixedly installed on the moving end of the height adjusting device, the pushing device is fixedly installed on the transverse adjusting device, and the two limiting plates are reversely movably installed on the moving end of the transverse adjusting device, and the pushing device is located between the two limiting plates; the two opposite sides of the discharge end of the two limiting plates are provided with limiting members for limiting the movement of the packaging bags.

[0019] Preferably, the bag opening device comprises a first suction disc device and a second suction disc device, the first suction disc device and the second suction disc device are fixedly installed below the conveying path of the wringing conveying device, and the first suction disc device and the second suction disc device are respectively located on both sides below the second folding device; the first suction disc device and the second suction disc device are oppositely arranged.

[0020] The above one or more technical solutions in the wet towel folding and packaging machine provided by the embodiment of the utility model have at least one of the following technical effects:

[0021] The wet towel folding and packaging machine in the utility model is assembled by a rack, a first folding device, a wringing conveying device, a second folding device, a bagging device and an output device, wherein the first folding device is used for folding the input towel perpendicularly and crossly on both sides, the wringing conveying device is used for conveying and wringing the towel after twice folding to drain water, so that the water amount of the towel output by the wringing conveying device is within a controllable range, the second folding device is used for folding the towel after draining water before the third time of bagging, the bagging device is used for providing the packaging bag required by the towel packaging, and the output device is used for outputting the sealed packaged product, when assembling, the first folding device, the wringing conveying device, the second folding device, the bagging device and the output device are all fixedly installed on the rack, the output end of the first folding device is adjacently arranged with the input end of the wringing conveying device, so as to facilitate the wringing conveying device to receive the towel after twice folding, the second folding device and the bagging device are both arranged on the conveying path part after wringing of the wringing conveying device, wherein the second folding device is arranged above the conveying path of the wringing conveying device, a plurality of empty positions are arranged on the conveying path of the wringing conveying device according to requirements, which are used for the folding end of the second folding device to pass through and fold the towel downward, and the bagging device is arranged below the wringing conveying device, which is used for providing the packaging bag to receive the towel folded downward by the second folding device, and then sealing the packaging bag, the product after sealing is moved to the output device to output the finished product, through the above arrangement, the wet towel can be automatically folded on the equipment, the water amount of the towel is controlled, the sealing packaging of the towel is completed, and the folding and packaging automation of the wet towel is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0023] Figure 1 The effect diagram of the wet towel folding and packaging machine provided by the embodiments of the utility model.

[0024] Figure 2 The effect diagram of the first folding device of the wet towel folding and packaging machine provided by the embodiments of the utility model.

[0025] Figure 3 The associated structure effect diagram of the wringing conveying device part of the wet towel folding and packaging machine provided by the embodiments of the utility model.

[0026] Figure 4 The effect diagram of the bagging device of the wet towel folding and packaging machine provided by the embodiments of the utility model.

[0027] Among them, the reference numerals in the figures are:

[0028] 10—Frame 20—First folding device 21—First folding device

[0029] 22 - Second folding device 23 - Shaping device 24 - First conveying device

[0030] 30 - squeeze and convey device 31 - second positioning device 40 - second folding device

[0031] 41 - second mounting frame 42 - second lifting device 43 - third plug board

[0032] 50 - bag filling device 51 - bag storage device 52 - bag taking device

[0033] 53 - moving device 54 - moving module 55 - bag sealing device

[0034] 56 - bag opening device 60 - output device 211 - first mounting frame

[0035] 212 - first lifting device 213 - first plug board 221 - first horizontal moving device

[0036] 222—Second plug board 231—First shaping board 232—Second shaping board

[0037] 233 - first positioning device 511 - height adjustment device 512 - lateral adjustment device

[0038] 513 - Pushing device 514 - Limiting plate 561 - First suction cup device

[0039] 562—Second suction cup device. DETAILED DESCRIPTION

[0040] The following describes the embodiments of the present invention in detail. Figures 1-4 , wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be understood as limiting the present invention.

[0041] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0043] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0044] In one embodiment of the present invention, Figures 1-4 As shown, a wet towel folding and packaging machine is provided, comprising a frame 10, a first folding device 20, a squeeze conveying device 30, a second folding device 40, a bagging device 50 and an output device 60, wherein:

[0045] Frame 10, used for supporting structure installation;

[0046] A first folding device 20 is fixedly mounted on the frame 10 and is used to perform a cross-folding of the towels;

[0047] The squeezing conveyor 30 is fixedly mounted on the frame 10, and the input end of the squeezing conveyor 30 is adjacent to the output end of the first folding device 20. The conveying path of the first folding device 20 is perpendicular to the conveying path of the squeezing conveyor 30, so as to avoid the overall length of the equipment being too long and facilitate the assembly of the equipment. A plurality of avoidance spaces are provided on the conveying path of the squeezing conveyor 30 to realize the connection between the first folding device 20 and the bagging device 50.

[0048] The wringing conveying device 30 comprises several conveying belt devices and a wringing device, which is located between two conveying belt devices and is used for draining water from the towels in conveying and controlling the water content of the towels. The interval between the conveying belt devices forms an empty interval, which can be used for inserting the second folding device 40 to move the towels in conveying downward and fold them, realizing the connection between the second folding device 40 and the bagging device 50. Meanwhile, a collection box is arranged at the end of the wringing conveying device 30 to collect the towels that cannot be processed by the second folding device 40 but continue to be conveyed.

[0049] The second folding device 40 is fixedly installed on the rack 10 and crosses the conveying path of the wringing conveying device 30 to fold the towels in conveying through the empty interval.

[0050] The bagging device 50 is fixedly installed in the rack 10 and is located below the wringing conveying device 30 and the second folding device 40 to receive the folded towels.

[0051] The output device 60 is fixedly installed in the rack 10 and is located below the output end of the bagging device 50.

[0052] The wet towel folding and packaging machine is assembled by the rack 10, the first folding device 20, the wringing conveying device 30, the second folding device 40, the bagging device 50 and the output device 60, wherein the first folding device 20 is used for folding the input towel on two sides perpendicularly, the wringing conveying device 30 is used for conveying and extruding the towel after twice folding to drain water, so that the water amount of the towel output by the extruding conveying device is within a controllable range, the second folding device 40 is used for folding the towel after draining water before the third time of bagging, the bagging device 50 is used for providing the packaging bag required by the towel packaging, and the output device 60 is used for outputting the sealed packaged product.

[0053] In another embodiment of the present application, Figures 1-2As shown in the figure, the first folding device 20 comprises a first folding device 21, a second folding device 22, a shaping device 23 and a first conveying device 24, the folding paths of the first folding device 21 and the second folding device 22 are arranged perpendicularly to each other, the shaping device 23 is used for clamping the towel after being folded by the first folding device 21 to facilitate the second folding operation of the second folding device 22, the first conveying device 24 is provided with a spacing area of the first conveying device 24 facing the falling of the first folding device 21 to ensure that the towel in the conveying process will not fall into the spacing area before the first folding operation, thereby affecting the first folding operation, the first folding device 21, the second folding device 22, the shaping device 23 and the first conveying device 24 are fixedly installed on the rack 10, the first folding device 21 is arranged across the first conveying device 24, the second folding device 22 and the shaping device 23 are arranged below the first conveying device 24 for receiving the towel after the first folding operation, and the shaping device 23 is arranged with an opening facing upward below the folding end of the first folding device 21, the two opposite sides of the shaping device 23 are provided with perforations for the second folding device 22 to pass through, so as to ensure that the second folding device 22 can fold the towel and move it to the wringing conveying device 30, the shaping device 23 is arranged adjacent to the input end of the wringing conveying device 30, the folding end of the second folding device 22 is arranged towards the side of the shaping device 23, and the second folding device 22 can pass through the shaping device 23 for moving the second folded towel to the wringing conveying device 30.

[0054] In another embodiment of the present application, Figures 1-2 As shown in the figure, the shaping device 23 comprises a first shaping plate 231, a second shaping plate 232 and a plurality of first positioning devices 233, the first shaping plate 231 and the second shaping plate 232 are arranged oppositely, the first positioning devices 233 are arranged on one side of the first shaping plate 231, and the positioning ends of the first positioning devices 233 can pass through the first shaping plate 231 and abut against the towel, the second shaping plate 232 is arranged adjacent to the wringing conveying device 30, the folding end of the second folding device 22 can extend to the wringing conveying device 30 by passing through the first shaping plate 231 and the second shaping plate 232 in sequence, and the state of the folded towel is ensured by the clamping and positioning of the first positioning plate and the second positioning plate, and the towel which has not been folded for the second time is kept in a flat state for the second folding operation.

[0055] In another embodiment of the present application, Figures 1-2As shown, the first folding device 21 comprises a first mounting frame 211, a first lifting device 212 and a first inserting plate 213, the first mounting frame 211 is fixedly installed on the rack 10 across the first conveying device 24, the first lifting device 212 is fixedly installed on the first mounting frame 211, and the first inserting plate 213 is fixedly installed on the moving end of the first lifting device 212 in the downward direction, the first inserting plate 213 is driven to lift by the first lifting device 212 to complete the first folding of the towel, and a plurality of auxiliary protrusions are arranged at the bottom of the first inserting plate 213 to position the towel in the folding.

[0056] In another embodiment of the present application, as shown in Figures 1-2 As shown, a plurality of first material returning positioning holes are formed at the bottom of the first inserting plate 213, and the moving end of the first positioning device 233 is arranged towards the first material returning positioning holes, the first positioning device 233 positions the towel at the position of the first material returning positioning holes when the first inserting plate 213 is inserted into the bottom, and then the first inserting plate 213 is retracted, so that the towel is not taken out during the retraction.

[0057] In another embodiment of the present application, as shown in Figures 1-2 As shown, the second folding device 22 comprises a first transverse moving device 221 and a second inserting plate 222, the first transverse moving device 221 is fixedly installed on the rack 10, and the second inserting plate 222 is fixedly installed on the moving end of the first transverse moving device 221, and the end of the second inserting plate 222 is provided with a second material returning positioning hole, the first transverse moving device 221 pushes the second inserting plate to fold the towel for the second time, the first positioning device 233 is loosened to position the towel, the second positioning device 31 is arranged on the squeezing conveying device 30 to position the towel at the position of the second material returning positioning hole, and then the second inserting plate 222 is retracted, so that the towel is left on the squeezing conveying device 30 after the second inserting plate 222 is retracted.

[0058] In another embodiment of the present application, as shown in Figure 1 And Figure 3 As shown, the second folding device 40 comprises a second mounting frame 41, a second lifting device 42 and a third inserting plate 43, the second mounting frame 41 is fixedly installed on the rack 10 across the conveying path of the squeezing conveying device 30, the second lifting device 42 is fixedly installed on the second mounting frame 41, and the third inserting plate 43 is fixedly installed on the moving end of the second lifting device 42 in the downward direction, the width of the third inserting plate 43 is equal to the length of the gap on the squeezing conveying device 30, so that the movement of the third inserting plate 43 in the gap of the squeezing conveying device 30 can fold the towel.

[0059] In another embodiment of the present application, as shown in Figure 1 And Figures 3-4As shown, the bagging device 50 comprises a bag storing device 51, a bag taking device 52, a moving device 53, a moving module 54, a bag sealing device 55 and a bag opening device 56, a collecting plate is arranged below the bag storing device 51 and below the bag opening device 56, for collecting unqualified products, the bag opening device 56 is fixedly installed below the conveying path of the wringing conveying device 30, and the bag opening device 56 is located below the folding end of the second folding device 40, the bag storing device 51, the moving module 54 and the bag sealing device 55 are fixedly installed in the rack 10, the bag storing device 51 and the bag sealing device 55 are located at two end positions of the moving module 54, and the bag sealing device 55 is located above the output device 60, the bag taking device 52 and the moving device 53 are fixedly installed on two moving ends of the moving module 54, the bag taking device 52 is movably arranged between the bag storing device 51 and the bag opening device 56, the moving device 53 is movably arranged between the bag opening device 56 and the bag sealing device 55, the bag storing device 51 keeps the packaging bag in a state to be output, the bag taking device 52 takes out the packaging bag one by one through adsorption, and then moves to below the bag opening device 56, the bag opening device 56 opens the packaging bag through adsorption of two side faces of the packaging bag, cooperates with the second folding device 40 to fold the towel, and then the moving device 53 moves the packaging bag containing the towel to the bag sealing device 55, the bag sealing device 55 seals the packaging bag, and then the finished product falls on the output device 60 for output.

[0060] In another embodiment of the present application, as shown in Figures 3-4 As shown, the bag storing device 51 comprises a height adjusting device 511, a transverse adjusting device 512, a pushing device 513 and two limiting plates 514, the height adjusting device 511 is fixedly installed on the rack 10, the transverse adjusting device 512 is fixedly installed on a moving end of the height adjusting device 511, the pushing device 513 is fixedly installed on the transverse adjusting device 512, and the two limiting plates 514 are reversely movably installed on moving ends of the transverse adjusting device 512, and the pushing device 513 is located between the two limiting plates 514, limiting members for limiting movement of the packaging bag are arranged on two opposite side faces of the discharge end of the two limiting plates 514, and the height adjusting device 511 and the transverse adjusting device are used to change the height of the packaging bag, so that the bag storing device 51 is adapted to packaging bags of different models.

[0061] In another embodiment of the present application, as shown in Figures 3-4As shown, the bag opening device 56 comprises a first suction cup device 561 and a second suction cup device 562, which respectively suck two sides of the bag opening to open the bag opening, and are both fixedly installed below the conveying path of the wringing conveying device 30, and are respectively located below two sides of the second folding device 40, and are oppositely arranged, so as to ensure that the opened bag opening is located directly below the second folding device 40, and the towel falls into the bag.

[0062] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wet towel folding and packaging machine characterized by: The utility model relates to a towel folding machine Frame, for supporting structure installation First folding device, first folding device fixed mounting on the frame, for cross second folding of towel Squeeze conveying device, squeeze conveying device fixed mounting on the frame, and the input end of squeeze conveying device is adjacent with the output end of first folding device arrangement, and the conveying path of squeeze conveying device is provided with a plurality of avoidance position A plurality of second folding devices, the second folding device is fixedly installed on the frame, and the second folding device is across the conveying path of the squeeze conveying device, for folding the towel in the conveying through the avoidance position Bagging device, bagging device fixedly installed in the frame, and the bagging device is below the squeeze conveying device and the second folding device, for receiving the folded towel Output device, output device fixedly installed in the frame, and the output device is below the output end of the bagging device.

2. The wet towel folding and packaging machine according to claim 1, characterized in that: The first folding device includes a first folding device, a second folding device, a shaping device and a first conveying device, the first folding device, the second folding device, the shaping device and the first conveying device are fixedly installed on the frame, the first folding device is arranged across the first conveying device, the second folding device and the shaping device are below the first conveying device, for receiving the towel after first folding, and the shaping device is arranged with an opening facing upward below the folding end of the first folding device, the shaping device is adjacent to the input end of the squeeze conveying device, the folding end of the second folding device is arranged towards the side of the shaping device, and the second folding device can pass through the shaping device for moving to the squeeze conveying device after second folding.

3. The wet towel folding and packaging machine of claim 2, wherein: The shaping device includes a first shaping plate, a second shaping plate and a plurality of first positioning devices, the first shaping plate and the second shaping plate are arranged opposite to each other, the first positioning device is located on one side of the first shaping plate, and the positioning end of the first positioning device can abut with the towel through the first shaping plate, the second shaping plate is arranged adjacent to the squeeze conveying device, and the folding end of the second folding device can extend to the squeeze conveying device through the first shaping plate and the second shaping plate in sequence.

4. The wet towel folding and packaging machine of claim 3, wherein: The first folding device includes a first mounting frame, a first lifting device and a first plug-in plate, the first mounting frame is fixedly installed on the frame across the first conveying device, the first lifting device is fixedly installed on the first mounting frame, and the first plug-in plate is fixedly installed on the moving end of the first lifting device towards the downward.

5. The wet towel folding and packaging machine of claim 4, wherein: The bottom of the first plug-in plate is provided with a plurality of first material returning positioning holes, and the moving end of the first positioning device is arranged towards the first material returning positioning hole.

6. The wet towel folding and packaging machine of claim 2, wherein: The second folding device includes a first transverse moving device and a second plug-in plate, the first transverse moving device is fixedly installed on the frame, the second plug-in plate is fixedly installed on the moving end of the first transverse moving device, and the end of the second plug-in plate is provided with a second material returning positioning hole.

7. The wet towel folding and packaging machine of claim 1, wherein: The second folding device comprises a second mounting frame, a second lifting device and a third inserting plate, the second mounting frame is fixedly installed on the frame across the conveying path of the wringing conveying device, the second lifting device is fixedly installed on the second mounting frame, and the third inserting plate is fixedly installed on the moving end of the second lifting device towards the lower side.

8. The wet towel folding and packaging machine of claim 1, wherein: The bagging device comprises a bag storing device, a bag taking device, a moving device, a moving module, a bag sealing device and a bag opening device, the bag opening device is fixedly installed below the conveying path of the wringing conveying device, and the bag opening device is located below the folding end of the second folding device, the bag storing device, the moving module and the bag sealing device are fixedly installed in the frame, the bag storing device and the bag sealing device are respectively located at the two end positions of the moving module, and the bag sealing device is located above the output device, the bag taking device and the moving device are respectively fixedly installed on the two moving ends of the moving module, the bag taking device is movably arranged between the bag storing device and the bag opening device, and the moving device is movably arranged between the bag opening device and the bag sealing device.

9. The wet towel folding and packaging machine of claim 8, wherein: The bag storing device comprises a height adjusting device, a lateral adjusting device, a pushing device and two limiting plates, the height adjusting device is fixedly installed on the frame, the lateral adjusting device is fixedly installed on the moving end of the height adjusting device, the pushing device is fixedly installed on the lateral adjusting device, and the two limiting plates are reversely movably installed on the moving end of the lateral adjusting device, and the pushing device is located between the two limiting plates, and the two opposite sides of the two limiting plates are provided with limiting members for limiting the movement of the packaging bags.

10. The wet towel folding and packaging machine of claim 8, wherein: The bag opening device comprises a first suction disc device and a second suction disc device, the first suction disc device and the second suction disc device are fixedly installed below the conveying path of the wringing conveying device, and the first suction disc device and the second suction disc device are respectively located on the two sides below the second folding device, and the first suction disc device and the second suction disc device are oppositely arranged.