Automatic packaging and sealing device and intelligent garbage can

Abstract

The utility model discloses an automatic packing and sealing device and an intelligent garbage can, the automatic packing and sealing device comprises a press-fit assembly, a folding assembly and a driving motor, the driving motor is in driving connection with the press-fit assembly, and the folding assembly is movably connected with the press-fit assembly; the pressing assembly comprises a first pressing arm and a second pressing arm which are parallel to each other, and the first pressing arm and the second pressing arm can get close to each other or get away from each other; the folding assembly comprises a first folding arm and a second folding arm which are symmetrically arranged, and the first folding arm and the second folding arm can be folded or unfolded along with relative movement of the first pressing arm and the second pressing arm. According to the embodiment of the utility model, the first folding arm and the second folding arm which can be folded or unfolded along with the mutual approaching or departing of the first pressing arm and the second pressing arm can simultaneously move towards the middle from four directions, so that the bag opening of the garbage bag in the middle can be uniformly folded and sealed by hot pressing, the closing and packaging efficiency is high, and the labor intensity of workers is reduced. Moreover, the sealing is uniform, and the liquid leakage condition is not easy to occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent household equipment technical field especially, relates to a kind of automatic packing sealing device and intelligent garbage can. BACKGROUND

[0002] With the progress of science and technology and the improvement of people's living standards, intelligent home gradually becomes an indispensable part in daily life, among them, intelligent garbage can with its clean and convenient characteristics, become the focus of attention, existing intelligent garbage can on the market generally can be automatically opened and automatically packed to garbage bag.

[0003] However, the existing intelligent garbage can is packed, and the packing mechanism needs to be folded in different directions several times to complete the closing and packing of the garbage bag. This not only reduces the packing efficiency, but also easily causes the garbage bag to leak due to uneven bag closure. INVENTION CONTENTS

[0004] Therefore, the utility model provides an automatic packing sealing device and intelligent garbage can to solve the problem of low efficiency and uneven folding of the existing intelligent garbage can in closing and packing the garbage bag.

[0005] To achieve one or part or all of the above purposes or other purposes, the utility model provides an automatic packing sealing device, comprising: a pressing assembly, a folding assembly and a driving motor, the driving motor is drivingly connected with the pressing assembly, and the folding assembly is movably connected with the pressing assembly.

[0006] The pressing assembly is used for folding and heat sealing the bag opening of the garbage bag, and comprises a first pressing arm and a second pressing arm which are parallel to each other. The inner sides of the two ends of the first pressing arm are respectively connected with first racks perpendicularly, and the inner sides of the two ends of the second pressing arm are respectively connected with second racks perpendicularly. The first racks and the second racks are arranged in a staggered manner upwards and downwards and towards each other.

[0007] The first rack and the second rack are connected with a transmission gear, and the output end of the driving motor is drivingly connected with the transmission gear. The transmission gear can drive the first rack and the second rack to move towards each other or in the opposite direction, and make the first pressing arm and the second pressing arm move towards each other or away from each other.

[0008] The folding assembly comprises a first folding arm and a second folding arm which are symmetrically arranged. The left ends of the first folding arm and the second folding arm are respectively connected with the first pressing arm and the second pressing arm perpendicularly, and the right ends of the first folding arm and the second folding arm are respectively connected with the first pressing arm and the second pressing arm perpendicularly.

[0009] When the first pressing arms are close to each other, the first folding arms and the second folding arms are folded; when the first pressing arms are away from each other, the first folding arms and the second folding arms are unfolded.

[0010] Preferably, two first guide grooves are symmetrically arranged on the first folding arms, and two first guide columns are symmetrically arranged on the left ends of the first and second pressing arms, and the first guide columns are slidingly arranged in the first guide grooves one by one; when the first pressing arms are close to each other, the first guide columns slide from the outer ends of the first guide grooves to the inner ends, and drive the first folding arms to move towards the second folding arms.

[0011] Two second guide grooves are symmetrically arranged on the second folding arms, and two second guide columns are symmetrically arranged on the right ends of the first and second pressing arms, and the second guide columns are slidingly arranged in the second guide grooves one by one; when the first pressing arms are close to each other, the second guide columns slide from the outer ends of the second guide grooves to the inner ends, and drive the second folding arms to move towards the first folding arms.

[0012] Preferably, the two first guide grooves are arranged in "<" shape, and the two second guide grooves are arranged in ">" shape.

[0013] Preferably, the pressing assembly and the folding assembly are installed along the circumferential edge of a square mounting frame, the driving motor is fixedly installed on one side edge of the mounting frame, and the first and second racks are slidingly connected on the side edges of the mounting frame adjacent to the side edge where the driving motor is located.

[0014] Preferably, the side edges of the mounting frame are provided with upper and lower corresponding sliding rails, and the back parts of the first and second racks are respectively provided with sliding grooves which are slidingly connected with the sliding rails one by one.

[0015] Preferably, the two ends of the first and second folding arms are respectively provided with limiting grooves which are parallel to the first pressing arms, and the mounting frame is respectively provided with limiting columns which are slidingly connected with the limiting grooves one by one.

[0016] Preferably, the driving motor is provided with a driving gear and a driven gear, the mounting frame is provided with a reversing mechanism, and the reversing mechanism comprises a first transmission shaft, a second transmission shaft, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear; the first transmission shaft is parallel to the first pressing arms, and the second transmission shaft is perpendicular to the first transmission shaft.

[0017] The driving gear is coaxially connected to the output shaft of the driving motor, the driven gear is coaxially connected to the front end of the first transmission shaft and engaged with the driving gear, the first bevel gear is coaxially connected to the rear end of the first transmission shaft, the second bevel gear is coaxially connected to the front end of the second transmission shaft and engaged with the first bevel gear, and the third bevel gear is coaxially connected to the rear end of the second transmission shaft.

[0018] Preferably, the reversing mechanism is provided with two, and the two reversing mechanisms are respectively arranged at two ends of the driving motor.

[0019] Preferably, the first pressing arm and the second pressing arm are respectively provided with heating strips on the two opposite side walls, and the two heating strips can be pressed against each other to press and heat-seal the bag opening of the garbage bag.

[0020] The utility model also provides: a kind of intelligent garbage can, including barrel and the automatic packing sealing device of any one described above, the automatic packing sealing device is arranged at the barrel mouth of the barrel.

[0021] Implementing the embodiments of the utility model will have the following beneficial effects:

[0022] After the above-mentioned automatic packing sealing device is adopted, the first folding arm and the second folding arm can be folded or unfolded by moving closer to or away from each other, and can move from four directions to the middle at the same time, thereby evenly folding and heat-sealing the bag opening of the garbage bag located in the middle, with high efficiency and uniform sealing, and liquid leakage is less likely to occur. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and 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 without creative labor.

[0024] Among them:

[0025] Figure 1 The overall structure of the automatic packing sealing device according to the utility model Figure 1 ;

[0026] Figure 2 The overall structure of the automatic packing sealing device according to the utility model Figure 2 ;

[0027] Figure 3 The explosion structure schematic view of the automatic packing and sealing device is provided by the utility model;

[0028] Figure 4 The connection structure schematic view of the driving motor, the reversing mechanism and the transmission gear of the automatic packing and sealing device is provided by the utility model;

[0029] Figure 5 The connection structure schematic view of the first rack, the second rack and the transmission gear of the automatic packing and sealing device is provided by the utility model;

[0030] Figure 6 The structure schematic view of the folding assembly of the automatic packing and sealing device is provided by the utility model;

[0031] Figure 7 The structure schematic view of the tensioning mechanism of the automatic packing and sealing device is provided by the utility model;

[0032] Figure 8 The installation schematic view of the folding cover plate of the automatic packing and sealing device is provided by the utility model.

[0033] The figure mark: 10, the compression assembly, 11, the first pressure arm, 111, the sliding groove, 112, the second connecting column, 12, the second pressure arm, 13, the first rack, 14, the second rack, 15, the transmission gear, 16, the first guide column, 17, the second guide column, 18, the sliding groove, 19, the heating strip, 20, the folding assembly, 21, the first folding arm, 211, the first guide groove, 22, the second folding arm, 221, the second guide groove, 23, the limiting groove, 30, the driving motor, 31, the driving gear, 32, the driven gear, 40, the installation frame, 41, the sliding rail, 42, the limiting column, 43, the motor, 44, the gear connecting rod mechanism, 50, the reversing mechanism, 51, the first transmission shaft, 52, the second transmission shaft, 53, the first bevel gear, 54, the second bevel gear, 55, the third bevel gear, 56, the fourth bevel gear, 60, the tensioning mechanism, 61, the fixed installation plate, 62, the movable installation plate, 621, the first connecting column, 63, the tension spring, 70, the folding cover plate. DETAILED DESCRIPTION

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application is well suited to carry out various embodiments as broadly described herein and the above and below description provided in support of the examples attached herewith. As used in explaining embodiments, the language "includes" and "comprising" is to be interpreted broadly to include the stated feature, but not to the exclusion of additional features. The term "first," "second," and the like, does not denote any order, quantity, or importance, but rather any distinction between different elements.

[0035] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0036] For better understanding of the present application, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0037] As shown in Figures 1-8 embodiments provided by the present application.

[0038] The utility model discloses an automatic packing and sealing device, comprising: the press fit subassembly 10, gather component 20 and drive motor 30, drive motor 30 is driven with the press fit subassembly 10 and is connected, gather component 20 is movably connected with the press fit subassembly 10, the press fit subassembly 10 is used to gather and heat fusion seal to the bag mouth of garbage bag, specifically, first pressure arm 11 and second pressure arm 12 are respectively provided with heating strip 19 on the two side walls of the opposite direction, two heating strips 19 can be extruded with each other, thereby the bag mouth of garbage bag is pressed and heat fusion seal. Specifically, the press fit subassembly 10 includes first pressure arm 11 and second pressure arm 12 that are parallel to each other, the inner side of both ends of first pressure arm 11 is vertically connected with first rack 13 respectively, the inner side of both ends of second pressure arm 12 is vertically connected with second rack 14 respectively, the connection of first pressure arm 11 and two first rack 13 is "N" type, the connection of second pressure arm 12 and two second rack 14 is similar to "H" type, first rack 13 and second rack 14 are arranged in parallel and opposite directions, and the overall shape of the press fit subassembly 10 is similar to a "Ku" shape with variable width. In order to distinguish and explain first rack 13 and second rack 14, the first rack 13 is located below, the second rack 14 is located above, the transmission gear 15 is connected between the first rack 13 and the second rack 14 on both sides, the transmission gear 15 is engaged with the first rack 13 and the second rack 14, the output end of the drive motor 30 is drivingly connected with the transmission gear 15, the transmission gear 15 can drive the first rack 13 and the second rack 14 to move towards each other or move in the opposite direction, and the first pressure arm 11 and the second pressure arm 12 can move closer to each other or move away from each other. For example, when the drive motor 30 rotates forward, the first pressure arm 11 and the second pressure arm 12 move closer to each other, and when the drive motor 30 reverses, the first pressure arm 11 and the second pressure arm 12 move away from each other. When the first pressure arm 11 and the second pressure arm 12 are pressed, the bag opening of the garbage bag can be extruded into a strip or a strip and then heat sealed.

[0039] In addition, the gather component 20 includes first gather arm 21 and second gather arm 22 arranged symmetrically, first gather arm 21 is vertically connected with the left end of first pressure arm 11 and second pressure arm 12 respectively, second gather arm 22 is vertically connected with the right end of first pressure arm 11 and second pressure arm 12 respectively; when the first pressure arm 11 and the second pressure arm 12 move closer to each other, the first gather arm 21 and the second gather arm 22 are gathered, when the first pressure arm 11 and the second pressure arm 12 move away from each other, the first gather arm 21 and the second gather arm 22 are opened, so that the first gather arm 21 and the second gather arm 22 can be gathered or opened synchronously with the first pressure arm 11 and the second pressure arm 12, which can move from four directions to the middle at the same time, and then the bag opening of the garbage bag located in the middle is evenly gathered and heat sealed, the sealing efficiency is high, the sealing is uniform, and the liquid leakage is not easy to occur.

[0040] In use of the automatic packing and sealing device, first, the garbage bag is placed between the "mouth" formed by the first pressing arm 11, the second pressing arm 12, the first gathering arm 21 and the second gathering arm 22, and then the driving mechanism is started. The driving mechanism first drives the transmission gear 15 to rotate, thereby driving the first rack 13 and the second rack 14 to move towards each other, so that the first pressing arm 11 and the second pressing arm 12 move towards each other, and at the same time, the first gathering arm 21 and the second gathering arm 22 move towards each other, so that the area of the "mouth" formed by the middle part gradually decreases, thereby uniformly gathering and heat-sealing the bag opening of the garbage bag, so that the garbage bag can be quickly packed and sealed, and the liquid leakage caused by uneven sealing of the bag opening is reduced.

[0041] In one embodiment, please refer to the accompanying Figure 7 The pressing assembly 10 further comprises two tensioning mechanisms 60, which are respectively arranged on the first pressing arm 11 and the second pressing arm 12, and are used to straighten and tighten the corresponding heat generating strips 19, so as to ensure that the two heat generating strips 19 can be aligned and the sealing effect of the heat sealing is ensured. Specifically, the tensioning mechanism 60 comprises a fixed mounting plate 61 and a movable mounting plate 62. Taking the tensioning mechanism 60 on the first pressing arm 11 as an example, a sliding groove 111 is arranged on the inner side wall of the first pressing arm 11, and the fixed mounting plate 61 and the movable mounting plate 62 are arranged in the sliding groove 111 in a head-to-tail manner. The fixed mounting plate 61 is fixedly connected with the sliding groove 111, and the movable mounting plate 62 can slide back and forth in a small range along the sliding groove 111 and approach or move away from the fixed mounting plate 61. One end of the heat generating strip 19 is arranged on the outer end of the fixed mounting plate 61 (i.e. the end away from the movable mounting plate 62), and the other end of the heat generating strip 19 is arranged on the outer end of the movable mounting plate 62 (i.e. the end away from the fixed mounting plate 61). When the movable mounting plate 62 moves away from the fixed mounting plate 61, the one end of the heat generating strip 19 can be pulled in the opposite direction of the other end, so that the heat generating strip 19 is straightened. Specifically, the back surface of the movable mounting plate 62 is provided with a plurality of first connecting columns 621, and the bottom of the sliding groove 111 is provided with a plurality of second connecting columns 112 corresponding to the first connecting columns 621. The first connecting columns 621 are close to the inner end of the movable mounting plate 62 (i.e. the end close to the fixed mounting plate 61), and the second connecting columns 112 are close to the outer end of the movable mounting plate 62. A stretching spring 63 is connected between each group of first connecting columns 621 and second connecting columns 112, and the stretching spring 63 is in a stretched and stored state, so that the movable mounting plate 62 is in a pre-tightening state of tending to move away from the fixed mounting plate 61, and the heat generating strip 19 is kept straightened.

[0042] Specifically, two first guide grooves 211 are symmetrically arranged on the first folding arm 21, the two first guide grooves 211 are arranged in "<" shape, the left ends of the first pressing arm 11 and the second pressing arm 12 are symmetrically provided with two first guide columns 16, the first guide columns 16 are one-to-one correspondingly and slidingly arranged in the first guide grooves 211, when the first pressing arm 11 and the second pressing arm 12 are close to each other, the two first guide columns 16 are driven to be close to each other, so that the first guide columns 16 slide from the outer ends of the first guide grooves 211 to the inner ends of the first guide grooves 211, since the two first guide grooves 211 are arranged at a certain angle, the first guide columns 16 will push the first guide grooves 211 in the opposite direction, thereby driving the first folding arm 21 to move towards the second folding arm 22; similarly, two second guide grooves 221 are symmetrically arranged on the second folding arm 22, the two second guide grooves 221 are arranged in ">" shape, the right ends of the first pressing arm 11 and the second pressing arm 12 are symmetrically provided with two second guide columns 17, the second guide columns 17 are one-to-one correspondingly and slidingly arranged in the second guide grooves 221, when the first pressing arm 11 and the second pressing arm 12 are close to each other, the second guide columns 17 slide from the outer ends of the second guide grooves 221 to the inner ends of the second guide grooves 221, since the two second guide grooves 221 are arranged at a certain angle, the second guide columns 17 will push the second guide grooves 221 in the opposite direction, thereby driving the second folding arm 22 to move towards the first folding arm 21.

[0043] Specifically, the pressing assembly 10 and the folding assembly 20 are installed along the circumferential edge of a square mounting frame 40, the drive motor 30 is fixedly installed on one side edge of the mounting frame 40, the first rack 13 and the second rack 14 are slidingly connected on the side edge of the mounting frame 40 adjacent to the side edge where the drive motor 30 is located, if the drive motor 30 is installed on the long edge of the mounting frame 40, the first rack 13 and the second rack 14 are located on the two short edges of the mounting frame 40 respectively, if the drive motor 30 is installed on the short edge of the mounting frame 40, the first rack 13 and the second rack 14 are located on the two long edges of the mounting frame 40.

[0044] Further, the side edges of the mounting frame 40 are provided with upper and lower corresponding sliding rails 41, the back parts of the first rack 13 and the second rack 14 are respectively provided with sliding grooves 18, the sliding grooves 18 are one-to-one correspondingly and slidingly connected with the sliding rails 41, which can limit the sliding direction of the first rack 13 and the second rack 14, avoiding the first rack 13 and the second rack 14 from slipping and deviating from the position.

[0045] Further, the two ends of the first and second folding arms 21 and 22 are provided with limiting grooves 23, which are parallel to the first pressing arm 11, and the mounting frame 40 is provided with limiting posts 42, and the limiting grooves 23 are slidably connected with the limiting posts 42 one by one, so that the first and second folding arms 21 and 22 always move along the same straight line during folding or unfolding, and the first and second folding arms 21 and 22 are always symmetrical and aligned.

[0046] Specifically, the driving motor 30 is provided with a driving gear 31 and a driven gear 32, and the mounting frame 40 is provided with a reversing mechanism 50, which includes a first transmission shaft 51, a second transmission shaft 52, a first bevel gear 53, a second bevel gear 54, a third bevel gear 55 and a fourth bevel gear 56, wherein the first transmission shaft 51 is parallel to the first pressing arm 11, the second transmission shaft 52 is perpendicular to the first transmission shaft 51, the driving gear 31 is coaxially connected to the output shaft of the driving motor 30, the driven gear 32 is coaxially connected to the front end of the first transmission shaft 51 and meshes with the driving gear 31, the first bevel gear 53 is coaxially connected to the rear end of the first transmission shaft 51, the second bevel gear 54 is coaxially connected to the front end of the second transmission shaft 52 and meshes with the first bevel gear 53, the third bevel gear 55 is coaxially connected to the rear end of the second transmission shaft 52, and the fourth bevel gear 56 is coaxially connected with the transmission gear 15 and meshes with the third bevel gear 55. In use, the output shaft of the driving motor 30 rotates, and then the driving is carried out in the order of driving gear 31--driven gear 32--first transmission shaft 51--first bevel gear 53--second bevel gear 54--second transmission shaft 52--third bevel gear 55--fourth bevel gear 56--transmission gear 15. It can be understood that the first bevel gear 53 and the second bevel gear 54, and the third bevel gear 55 and the fourth bevel gear 56 are respectively provided with corresponding gear boxes to limit and support them, so as to change the transmission direction.

[0047] Further, the reversing mechanism 50 is provided with two, and the two reversing mechanisms 50 are respectively arranged at the two ends of the driving motor 30. Specifically, the first transmission shaft 51 in the second reversing mechanism 50 is also coaxially connected with the driven gear 32, and the other components of the second reversing mechanism 50 are connected in the connection order of the first reversing mechanism 50, so that the driving motor 30 can drive the transmission gears 15 on both sides at the same time, and drive the first and second racks 13 and 14 on both sides to move, so that the overall structure of the automatic packaging and sealing device is more balanced and stable in stress.

[0048] The utility model further provides: a kind of intelligent garbage can, including barrel body (not shown in drawing) and the automatic packing sealing device of any one of above, and the automatic packing sealing device is arranged at the barrel mouth of barrel body, and garbage bag in garbage can can be packed and sealed quickly and conveniently.

[0049] In one embodiment, please refer to the attached Figure 8 The top of the mounting frame 40 is also provided with a rotatable folding cover plate 70, which is used as the lid of the garbage can and can be used to cover the barrel opening of the garbage can. Specifically, one side of the folding cover plate 70 is rotatably connected to one side frame on the top of the mounting frame 40. The side frame is provided with a motor 43 and a gear linkage mechanism 44. The gear linkage mechanism 44 can be a common gear and linkage combination, as long as it can drive the end of the linkage to reciprocate. The motor 43 drives the gear linkage mechanism 44, which in turn drives the folding cover plate 70 to rotate around the hinge shaft of the folding cover plate 70, so that the folding cover plate 70 can be opened or closed relative to the barrel opening of the garbage can.

[0050] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, not all the embodiments. The preferred embodiments of the utility model are shown in the drawings, but do not limit the patent scope of the utility model. The utility model can be realized in many different forms, and on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for part of the technical features. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the utility model.

Claims

1. An automatic packaging and sealing device, characterized in that, include: The assembly includes a pressing component (10), a gathering component (20), and a drive motor (30), wherein the drive motor (30) is drivenly connected to the pressing component (10), and the gathering component (20) is movably connected to the pressing component (10). The pressing assembly (10) is used to close and heat-seal the opening of the garbage bag. The pressing assembly (10) includes a first pressing arm (11) and a second pressing arm (12) that are parallel to each other. The inner sides of the two ends of the first pressing arm (11) are respectively vertically connected to a first rack (13), and the inner sides of the two ends of the second pressing arm (12) are respectively vertically connected to a second rack (14). The first rack (13) and the second rack (14) are parallel to each other and staggered in opposite directions. A transmission gear (15) is connected between the first rack (13) and the second rack (14). The output end of the drive motor (30) is connected to the transmission gear (15). The rotation of the transmission gear (15) can drive the first rack (13) and the second rack (14) to move towards each other or in the opposite direction, and make the first pressure arm (11) and the second pressure arm (12) move closer or further away from each other. The gathering assembly (20) includes a first gathering arm (21) and a second gathering arm (22) arranged symmetrically. The first gathering arm (21) is perpendicularly connected to the left end of the first pressing arm (11) and the second pressing arm (12), respectively, and the second gathering arm (22) is perpendicularly connected to the right end of the first pressing arm (11) and the second pressing arm (12), respectively. When the first pressure arm (11) and the second pressure arm (12) approach each other, the first closing arm (21) and the second closing arm (22) close together; when the first pressure arm (11) and the second pressure arm (12) move away from each other, the first closing arm (21) and the second closing arm (22) open together.

2. The automatic packaging and sealing device according to claim 1, characterized in that, Two first guide grooves (211) are symmetrically arranged on the first retracting arm (21). Two first guide posts (16) are symmetrically arranged on the left end of the first pressure arm (11) and the second pressure arm (12). The first guide posts (16) are slidably arranged in the first guide grooves (211) one by one. When the first pressure arm (11) and the second pressure arm (12) approach each other, the first guide posts (16) slide from the outer end of the first guide groove (211) to its inner end, and drive the first retracting arm (21) to move toward the second retracting arm (22). The second gathering arm (22) is symmetrically provided with two second guide grooves (221), and the right ends of the first pressure arm (11) and the second pressure arm (12) are symmetrically provided with two second guide posts (17). The second guide posts (17) are slidably disposed in the second guide grooves (221) one by one. When the first pressure arm (11) and the second pressure arm (12) approach each other, the second guide posts (17) slide from the outer end of the second guide groove (221) to its inner end, and drive the second gathering arm (22) to move toward the first gathering arm (21).

3. The automatic packaging and sealing device according to claim 2, characterized in that, The two first guide grooves (211) are arranged in a "<" shape, and the two second guide grooves (221) are arranged in a ">" shape.

4. The automatic packaging and sealing device according to claim 1, characterized in that, The pressing assembly (10) and the gathering assembly (20) are mounted around the perimeter of a square mounting frame (40). The drive motor (30) is fixedly mounted on one side of the mounting frame (40). The first rack (13) and the second rack (14) are slidably connected to the side of the mounting frame (40) adjacent to the side where the drive motor (30) is located.

5. The automatic packaging and sealing device according to claim 4, characterized in that, The mounting frame (40) is provided with upper and lower corresponding slide rails (41) on its side. The back of the first rack (13) and the second rack (14) are respectively provided with slide grooves (18), and the slide grooves (18) are slidably connected to the slide rails (41) one by one.

6. The automatic packaging and sealing device according to claim 4, characterized in that, Both ends of the first retractable arm (21) and the second retractable arm (22) are provided with limiting grooves (23). The limiting grooves (23) are parallel to the first pressure arm (11). The mounting frame (40) is provided with limiting posts (42). The limiting grooves (23) are slidably connected to the limiting posts (42) one by one.

7. The automatic packaging and sealing device according to claim 4, characterized in that, The drive motor (30) is provided with a driving gear (31) and a driven gear (32). The mounting frame (40) is provided with a reversing mechanism (50). The reversing mechanism (50) includes a first drive shaft (51), a second drive shaft (52), a first bevel gear (53), a second bevel gear (54), a third bevel gear (55), and a fourth bevel gear (56). The first drive shaft (51) is parallel to the first pressure arm (11), and the second drive shaft (52) is perpendicular to the first drive shaft (51). The driving gear (31) is coaxially connected to the output shaft of the drive motor (30), the driven gear (32) is coaxially connected to the front end of the first transmission shaft (51) and meshes with the driving gear (31), the first bevel gear (53) is coaxially connected to the rear end of the first transmission shaft (51), the second bevel gear (54) is coaxially connected to the front end of the second transmission shaft (52) and meshes with the first bevel gear (53), the third bevel gear (55) is coaxially connected to the rear end of the second transmission shaft (52), and the fourth bevel gear (56) is coaxially connected to the transmission gear (15) and meshes with the third bevel gear (55).

8. The automatic packaging and sealing device according to claim 7, characterized in that, There are two commutation mechanisms (50), which are respectively located at both ends of the drive motor (30).

9. The automatic packaging and sealing device according to claim 1, characterized in that, Heating strips (19) are respectively provided on the two opposing side walls of the first pressure arm (11) and the second pressure arm (12). The two heating strips (19) can press against each other to press and heat-seal the opening of the garbage bag.

10. A smart trash can, characterized in that, It includes a barrel body and an automatic packaging and sealing device as described in any one of claims 1-9, wherein the automatic packaging and sealing device is disposed at the opening of the barrel body.

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