CN116331695A - A garbage bag shrinking mechanism, a garbage can and its control - Google Patents

Abstract

The invention provides a garbage bag necking machine core, which comprises: the driving mechanism comprises a power transmission assembly and a scissor hinge assembly; a first guide plate disposed on the scissor hinge assembly; a second guide plate disposed opposite to the first guide plate; the power transmission assembly is used for driving the scissor hinge assembly to stretch and condense, so as to drive the first guide plate to relatively slide towards the second guide plate to realize the contraction and opening of the garbage bag opening; the heat-sealing bag opening device is arranged on the first guide plate and/or the second guide plate and is used for heat-sealing the contracted garbage bag, the range-increasing effect of transmission is realized through the scissor hinge assembly, the operation energy consumption is reduced, and the energy-saving effect is realized.

Description

A garbage bag shrinking mechanism, a garbage can and its control

technical field

The invention relates to a garbage bag shrinking mechanism, a garbage can and its control, which are applied in the field of garbage cans.

Background technique

In the design of trash cans, in order to avoid the smell of garbage, a device is usually added to the trash can to cover or tighten the mouth of the garbage bag. With the advancement and development of science and technology, many trash cans have been automated, such as automatic collection. The bag tight device can also automatically pack and dispose of garbage. The application number is CN201921355833.4, a heat-sealing bag device. The transmission device of the device uses the motor gear to drive the synchronous wheel to move so as to achieve the transmission heat-sealing component for heat-sealing. Function, but, because this transmission device needs to move longer distance and time just can realize shrinkage, and the overall cost of this kind of transmission device is higher, is unfavorable for the further application of dustbin. Due to the high frequency of automatic packaging and collection of garbage cans, the use of this transmission method requires relatively high power energy. Replacing this device with a mechanism with a range-extending function can achieve energy-saving effects and reduce energy consumption costs. This application aims at the above The problem is to design an extended-range garbage bag shrinking movement.

Contents of the invention

The invention provides a garbage bag shrinking mechanism, a garbage can and a control, which can effectively solve the above problems.

The present invention is achieved like this:

A garbage bag shrinking movement, comprising:

Drive mechanism, including power transmission components and scissor hinge components;

The necking mechanism includes a first guide plate arranged on the scissor hinge assembly, and a second guide plate opposite to the first guide plate;

Wherein, the power transmission assembly is used to drive the scissor hinge assembly to expand and contract, and then drive the first guide plate to slide relative to the second guide plate to realize the tightening and opening of the garbage bag.

A trash can comprising:

Garbage bin body, including garbage bag storage port and discharge port;

The bag storage device is arranged at the garbage bag storage opening for storing hollow garbage bags;

The automatic bag feeding device is arranged below the bag storage device;

And the said a kind of extended-range garbage bag shrinking movement arranged under the automatic bag feeding device.

As a further improvement, the following steps are included:

S10: fixing the garbage bag on the bag storage device;

S20: When disposing of garbage, open the garbage bag through the extended-range garbage bag shrinking mechanism;

S30: After the garbage is put in, shrink it again through the extended-range garbage bag shrinking mechanism;

S40: When the garbage bag is full, stretch the garbage bag out of the bag storage device through an automatic bag feeding device:

S50: Sending bags a predetermined distance through the automatic bag feeding device.

As a further improvement, the extended-range garbage bag shrinking movement further includes a heat-sealing bag mouth device, which is arranged on the first guide plate and/or the second guide plate, and the control method further includes:

S60: heat-sealing is performed through the extended-range garbage bag shrinking movement.

The beneficial effects of the present invention are:

(1) The application includes a drive mechanism, including a power transmission assembly and a scissor hinge assembly; a first guide plate arranged on the scissor hinge assembly; a second guide plate opposite to the first guide plate; the The power transmission assembly is used to drive the scissor hinge assembly to stretch and shrink, and then drive the first guide plate to slide relative to the second guide plate to realize the tightening and opening of the mouth of the garbage bag; the heat-sealing bag mouth device is set On the first guide plate and/or the second guide plate, it is used to heat-seal the shrunk garbage bag, realize the range-extending function of the transmission through the scissor hinge assembly, reduce the energy consumption of operation, and realize the effect of energy saving.

(2) When garbage is dropped by the control method, the extended-range garbage bag shrinking movement opens the garbage bag. When it is full, the extended-program garbage bag shrinking mechanism is heat-sealed to prevent the rotten smell of the garbage can from diverging, and it is convenient to heat-seal and pack the garbage can.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of the overall structure provided by Embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a bag storage device provided by Embodiment 1 of the present invention.

Fig. 3 is a schematic diagram of the installation position of the garbage bag provided by Embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of the automatic bag feeding device provided by Embodiment 1 of the present invention.

Fig. 5 is a partial structural diagram of the automatic bag feeding device provided by Embodiment 1 of the present invention.

6-7 are schematic diagrams of the structure of the extended-range garbage bag shrinking mechanism provided by Embodiment 1 of the present invention.

FIG. 8 is a schematic diagram of the cross-sectional structure along line A-A of FIG. 7 .

Fig. 9 is a schematic diagram of the exploded structure of the driving mechanism provided by Embodiment 1 of the present invention.

Fig. 10 is a schematic structural diagram of the driving mechanism provided by Embodiment 1 of the present invention.

Fig. 11 is a schematic structural diagram of the second scissors set provided by Embodiment 1 of the present invention.

Fig. 12 is a schematic structural diagram of a heat-sealing knife provided in Embodiment 1 of the present invention.

Fig. 13 is a schematic structural diagram of the driving mechanism provided by Embodiment 2 of the present invention.

In the figure: 1. Toilet chair body 2. Collection device 21. Bag storage device 211. Hollow cylinder

2111. Snap ring 2112. Rib 212. Chassis 2121. Edge

213. Annular cover body 2131. Clamping part 214. Sensor 22. Automatic bag feeding device 221. First motor 222. First gear set 223. Transmission shaft 224. Second gear set 225. Bag sending wheel set 2251. Second gear set One driving wheel 2252. The first driven wheel

226. Gear protection housing 227. Torsion spring assembly 2271. Straight notch 2272. Rotation shaft 2273. Arc stopper 2274. Torsion spring 2275. Torsion spring stopper

23. Driving mechanism 231. Power transmission assembly 232. Scissor hinge assembly

2311. Second motor 2312. First gear 2321. Fixing piece

23210. First bolt 23211. Guide groove 23212. Fixing hole

2322. First rack 2323. Scissor hinge

2323a. First scissors group 2323a1. First scissors arm 2323b. Second scissors group

2323b1. Second scissor arm 2323b2. Second through hole 2323c. Third scissor group

2323c1. Third scissor arm 2323c2. Third through hole 2323c3. Second bolt

2323d. The fourth scissor group 2323d1. The fourth scissor arm 2323d2. The fourth strip through hole 2323d3. The third bolt

24. Shrinking mechanism 241. The first guide plate 242. The second guide plate

2411. Upper splint 2412. Lower splint 2421. Upper splint guide groove

2422. Guide groove of lower splint 243. Guide shaft 2431. First spring group

2432. The second spring group

25. Heat-sealing bag device 251. The first heat-sealing knife 252. The second heat-sealing knife

2511. Heat sealing knife base plate 26. Unloading plate 3. Garbage bag

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Embodiment one:

As shown in Fig. 1, a kind of trash can comprises: trash can body 1, and described trash can body 1 comprises garbage bag storage port and discharge port, and the shape structure of described trash can body 1 is not limited, can be according to actual needs choose. For example, it may be a cuboid, a cube, or the like. In one of the embodiments, the garbage can body 1 is a cuboid, and the garbage bag storage opening is set on the top of the cuboid, and the discharge opening is set on the side wall of the cuboid (not shown in the figure), The collecting device 2 is arranged at the lower part of the trash can body 1 . The collection device 2 includes: a bag storage device 21, which is used to provide a hollow garbage bag 3; an automatic bag delivery device 22, which is arranged at the bottom of the bag storage device 21, and is used to clamp the garbage bag 3 Both sides and convey described garbage bag 3 downwards; Extended program garbage bag necking movement, it comprises driving mechanism 23, and described driving mechanism 23 comprises power transmission assembly 231 and scissors hinge assembly 232, necking mechanism 24, The first guide plate 241 arranged on the scissor hinge assembly 232; the second guide plate 242 arranged opposite to the first guide plate 241; and the heat-sealing bag opening device 25, which is arranged on the necking mechanism The bottom of 24 is used to seal the garbage bag 3, and this garbage can can realize automatic bag delivery, automatic collection, then automatic packing and heat sealing functions such as garbage. Moreover, the extended program garbage bag shrinking mouth garbage bin also has the characteristics of being convenient to carry, and is suitable for outdoor carrying or use by children and middle-aged and elderly people.

2 to 3, the bag storage device 21 includes: a hollow cylinder 211, which is used to cover the hollow garbage bag 3; a chassis 212 extending horizontally from the bottom of the hollow cylinder 211 , and the chassis 212 is fixed on the trash can body 1; it is fastened to the ring-shaped cover 213 at the top of the hollow cylinder 211; The outer side bypasses the annular cover 213 and enters the inner side of the hollow cylinder 211 . The chassis 212 also includes a surrounding edge 2121, and the surrounding edge 2121 is arranged vertically upward along the edge of the chassis 212, so that the garbage bag 3 will not move outward during use; this device has another bagging method , that is, the bag storage device 21 is not applicable, and a folded soft bag is used to cover the annular groove of the movement base, and the annular cover 213 is buckled on the annular groove. Preferably, the height of the surrounding edge 2121 is 15 mm to 25 mm; in this embodiment, the height of the surrounding edge 2121 is 22 mm. The other end of the hollow cylinder 211 is provided with a snap ring 2111 extending inwardly; the annular cover 213 further includes a snap portion 2131 matched with the snap ring 2111 . Ribs 2112 are uniformly and vertically arranged on the side wall of the hollow cylinder 211 . The bag storage device 21 further includes a sensor 214 disposed on the surface of the chassis 212 close to the annular cover 213 for detecting the supply status of the garbage bags 3 . Preferably, the thickness of the consumables for the garbage bag 3 is 0.005 mm to 0.2 mm; more preferably, the thickness of the consumables for the garbage bag 3 is 0.01 mm to 0.03 mm; in this embodiment, the thickness of the consumables for the garbage bag 3 is 0.01mm.

Referring to Figures 4 to 5, the automatic bag feeding device 22 includes: a first motor 221; a first gear set 222 connected to the first motor 221; Shaft 223; the second gear set 224 connected with the transmission shaft 223, and the second gear set 224 is arranged symmetrically with the first gear set 222, each gear set includes a driving gear and cooperates with the driving gear The driven gear of the bag feeding wheel set 225, which is symmetrically arranged on the first gear set 222 and the second gear set 224, and each bag sending wheel set 225 includes a first wheel set arranged on the driving gear. The driving wheel 2251 and the first driven wheel 2252 arranged on the driven gear, and the first driving wheel 2251 and the first driven wheel 2252 in each bag sending wheel set 225 are tangent. The first driving wheel 2251 and the first driven wheel 2252 are arranged on the same plane. The automatic bag feeding device 22 further includes a gear installation housing 226 respectively covering the first gear set 222 and the second gear set 224 . The torsion spring assembly 227 includes a straight notch 2271 arranged at the end of the gear installation housing away from the driving gear, the first driven wheel 2252 passes through the straight notch 2271 through a rotating shaft 2272 to connect to the driven gear, and the rotating The shaft 2272 is sleeved with an arc-shaped stopper 2273, and a torsion spring 2274 is arranged under the rotating shaft 2272, and the torsion spring 2274 abuts against the arc-shaped stopper 2273 to achieve a small displacement of the first driven wheel 2252 so as to fix the garbage Bag 3, the gear installation housing 226 also includes a torsion spring stopper 2275 arranged below the straight notch 2271, one end of the torsion spring 2274 abuts against the torsion spring stopper 2275, and the other end abuts against the torsion spring stopper 2275. The arc-shaped stopper 2274, in the bagging process, due to the need to clamp one end of the garbage bag 3 in the bag feeding wheel set 225 by means of the bagging correction device, the setting of the automatic bag feeding device 22, the driven gear can realize tiny The downward displacement creates a gap between the first driving wheel 2251 and the first driven wheel 2252, so that the bagging correction device can enter between the first driving wheel 2251 and the first driven wheel 2252, that is, the garbage bag 3 Place it in the bag sending wheel set 225, then take out the bagging correction device, the torsion spring 229 drives the first driven wheel 2252 to reset, and the bag sending wheel set 225 clamps the garbage bag 3.

The replacement steps of the garbage bag 3 of the present invention are as follows: after the garbage bag 3 is used up, separate the annular cover 213 from the hollow cylinder 211, take a new garbage bag 3 and set it on the hollow cylinder 211, and then replace the annular cover The body 213 is fastened with the hollow cylinder 211, and one end of the garbage bag 3 is pulled up from the outside of the hollow cylinder 211 to bypass the annular cover 213 and enter the inside of the hollow cylinder 211. Use the bagging correction device to place one end of the garbage bag 3 together in the bag feeding wheel set 225, then take out the bagging correction device, the present invention can continue to use, when using a soft bag, remove the annular cover 213 from the machine The core base is taken off, the soft bag is socketed in the annular groove of the core, and then the annular cover 213 is buckled, the soft bag is pulled up, bypassed the annular cover and placed in the bag delivery wheel set 225 to fix the soft bag.

Referring to Fig. 6～shown in Fig. 11, a kind of extended-range garbage bag necking machine core, comprises described driving mechanism 23 and comprises:

The driving mechanism 23 includes a power transmission assembly 231 and a scissor hinge assembly 232; The second guide plate 242; and the heat-sealing pocket device 25, which is arranged on the first guide plate 241 and/or the second guide plate 242, and is used for heat sealing the shrunken garbage bag 3; wherein, the power The transmission assembly 231 is used to drive the scissor hinge assembly 232 to expand and contract, and then drive the first guide plate 241 to slide relative to the second guide plate 242 to realize the tightening and opening of the garbage bag 3 .

Wherein, the power transmission assembly 231 includes a second motor 2311 and a reducer (not labeled in the figure) connected to the second motor 2311, the second motor 2311 is connected to the first gear 2312, and the scissor hinge assembly Including a fixing piece 2321, the fixing piece 2321 is provided with a guide groove 23211, the first rack 2322 is slidably connected to the guide groove 23211, the first gear 2312 engages the first rack 2322, and the first rack 2322 is connected to the scissor hinge 2323, and the end of the fixing member 2321 away from the first gear 2312 is provided with a smooth wheel 2324, and the smooth wheel 2324 abuts against the first rack 2322, so that the first rack 2322 The operation is more stable, preventing the first rack 2322 from vertically jumping under force, causing unsmooth movement or increasing the speed of wearing the first rack 2322. In other embodiments, the gear is used to The first rack is further fixed. At this time, meshing teeth are arranged on both sides of the first rack 2322, and the stability of the first rack 2322 is increased by using a two-way gear fixing method. The scissor hinge 2323 includes: 2-6 There are two scissor groups, and the length of each scissor group increases along the direction away from the first rack 2322 . Preferably, the scissor hinge 2323 includes: 3-5 scissor groups. This is because on the one hand, if the number is too small, the range increase will not be obvious, and it will be difficult to achieve effective shrinkage; on the other hand, if the number is too large, it will easily lead to instability of the mechanism. In one of the embodiments, the scissor hinge 2323 includes: 4 sets of scissor groups. Specifically, the scissor hinge 2323 includes: a first scissor group 2323a, which includes two first scissor arms 2323a1, and one end of the first scissor arm 2323a1 is rotatably arranged on the first tooth Section 2322;

The second scissors group 2323b includes two second scissors arms 2323b1 crossed, and the intersection of each second scissors arm 2323b1 is provided with a second through hole 2323b2; one end of each second scissors arm 2323b1 is respectively Rotationally connected with the other end of each first scissor arm 2323a1, the fixing member 2321 further includes a first bolt 23210, and the first bolt 23210 is passed through the second through hole 2323b2, so that the first bolt 23210 The second scissor arm 2323b1 can swing around the first bolt 23210 to extend the range, and the second through hole 2323b2 is set at the end of the second scissor arm 2323b1 close to the first scissor group 2323a, and the second The scissor arm 2323b1 is divided into a second front scissor arm 2323b11 and a second rear scissor arm 2323b12, that is, the length of the second front scissor arm 2323b11 is shorter than that of the second rear scissor arm 2323b12. The first rack 2322, the angle A between the second front scissor arms 2323b11 and the angle B between the second rear scissor arms 2323b12 are equal, because the length of the second front scissor arms 2323b11 is shorter than the first scissor arm 2323b11 The second rear scissor arm 2323b12, according to the triangle theorem, the horizontal movement distance of the second rear scissor arm 2323b12 is greater than that of the second front scissor arm 2323b11 so as to realize the range-extending effect. When the first bolt 23210 fixes the When the second through hole 2323b2 is used, the stability of the scissors hinge 2323 is significantly improved. The third scissors group 2323c includes two third scissors arms 2323c1 and second bolts 2323c3 arranged crosswise, and each third scissors The intersection point of the arms 2323c1 is provided with a third through hole 2323c2; one end of each third scissor arm 2323c1 is respectively connected to the other end of each second scissor arm 2323b1, and the second bolt 2323c3 passes through the In the third through hole 2323c2, the third scissor arm is for conduction, and multiple sets of the third scissor set 2323c can be set. In this embodiment, one set of the third scissor set 2323c is set.

The fourth scissor group 2323d, which includes two fourth scissor arms 2323d1 and third bolts 2323d3 arranged crosswise, and the intersection point of each fourth scissor arm 2323cd1 is provided with a fourth elongated through hole 2323d2; One end of a fourth scissor arm 2323d1 is respectively rotatably connected to the other end of each third scissor arm 2323c1, and the third bolt 2323d3 is passed through the fourth elongated through hole 2323d2, according to the scissor hinge According to the working principle, in order to achieve the rotational connection between the end of the fourth scissor arm 2323d1 away from the third scissor group 2323c and the first guide plate 241, and increase the movement stability of the scissor hinge 2323, the set The fourth strip through hole 2323d2 realizes the angle change between the fourth scissors arms 2323d1 to realize the movement of the scissors hinge 2323, and the fourth scissors arm 2323d1 also has a limit function to limit the movement of the scissors hinge. 2323 moves within the length range of the fourth strip through hole 2323d2, using the stability of the scissors hinge 2323 to ensure the stability of reciprocating motion; the present invention utilizes the length of each scissors group of the scissors hinge 2323 Increase along the direction away from the first rack 2322 so as to reflect the range-extending effect of the driving mechanism 23, reduce the rotation of the second motor 2311 each time sealing, and achieve the effect of energy saving.

6 to 9, the necking mechanism 24 includes a first guide plate 241 disposed on the scissor hinge assembly 232, a second guide plate 242 disposed opposite to the first guide plate 241, The first guide plate 241 slides toward the second guide plate 242 to tighten the mouth of the garbage bag. Both the first guide plate 241 and the second guide plate 242 have a double-layer structure. The guide plate 241 includes an upper splint 2411 and a lower splint 2412. The second guide plate 242 is provided with an upper splint guide groove 2421 and a lower splint guide groove 2422 respectively adapted to the upper splint 2411 and the lower splint 2412. The upper splint 2411 is slidably connected to the upper splint guide groove 2421 so as to realize the tightening of the upper part of the garbage bag mouth, and the lower splint 2412 can be slidably connected to the lower splint guide groove 2422 to realize the lower part of the garbage bag mouth to be tightened so as to more accurately realize garbage bag opening. The sealing of bag 3, and utilize the guide function of described first guide plate 241 and the second guide plate 242 to increase the stability of garbage bag seal, the guide shaft 243 of described positioning hole, be arranged on described guide shaft 243 close to described The first spring group 2431 at one end of the first guide plate 241 is arranged on the second spring group 2432 at the end of the guide shaft 243 close to the second guide plate 242. In the initial state, the scissor hinge assembly 232 and the power transmission The assembly 231 is in a tightened state, the first guide plate 241 compresses the first spring group 2431, and when the power transmission assembly 231 drives the scissor hinge assembly 232 to extend, the first guide plate 241 is in the Under the action of the elastic force of the first spring group 2431, the first guide plate 241 is pushed tightly to eliminate the movement caused by the gap between the scissor hinge assemblies 232, so that the scissor hinge assemblies 232 are in a stable state during operation, If there is no gap eliminated by the first spring set 2431, when the power transmission assembly 231 is started, due to the gap between the scissor hinge assemblies 232, the scissor hinge assembly needs to be moved to eliminate the gap. 232 starts to move, that is, the movement of the scissor hinge assembly 232 will lag behind, causing the movement of the scissor hinge assembly 232 to be unsmooth, affecting the transmission of equipment. When the first guide plate 241 and the second guide plate 242 contact, the second guide The plate 242 compresses the second spring group 2432 to buffer the force between the heat-sealing pocket devices. After the heat-sealing is completed, the power transmission assembly 231 drives the scissor hinge assembly 242 to retract, and the The second spring set 2432 tightly pushes the second guide plate 242 to assist in unloading.

6 to 12, in one embodiment, the heat-sealing device 25 includes: a first heat-sealing knife 251 and a second heat-sealing knife 251 opposite to the first heat-sealing knife 251; Knife 252, the second heat-sealing knife is used to move toward the first heat-sealing knife 251 driven by the driving mechanism 23 so as to heat seal the mouth of the shrunk garbage bag. Each heat-sealing blade includes a heat-sealing blade substrate 2511 and a heat-sealing blade 2512 vertically connected to the heat-sealing blade substrate 2511, and the first heat-sealing blade substrate 2511 is arranged on the first guide plate 241. Between the upper splint guide groove 2411 and the lower splint guide groove 2412, the second heat-sealing knife substrate is fixed between the upper splint 2421 and the lower splint 2422 of the second guide plate 242, and the heat-sealing device further includes heating wire (not shown in the figure), the heating wire is arranged on the inner side of the heat-sealing blade substrate 2411 .

The use effect of the present invention: the use of the soft bag or bag storage device 21 realizes the convenient use and quick replacement of the garbage bag 3; the symmetrically arranged automatic bag feeding device 22 realizes synchronous bag feeding on both sides, ensuring the consistency of the movement of the garbage bag 3; Shrinking mechanism 24 has realized that garbage bag can be carried out pocket shrinkage when garbage can is single-use; The heat-sealed packaging of the gear to prevent the excrement from overflowing. The end of the gear installation housing 226 away from the first motor 221 is provided with a straight slot 2271, and the first driven wheel 2252 passes through the straight slot 2271 through a rotating shaft 2272. Connect the driven gear 2222, the rotating shaft 2272 is sleeved with an arc-shaped block 2273, and a torsion spring 2274 is arranged under the rotating shaft 2272, and the torsion spring 2274 abuts against the arc-shaped block 2273 to realize the first The slight displacement of the driven wheel 2252 thereby fixes the garbage bag 3 . Further, the present invention also utilizes the length of each scissor group of the scissor hinge 2323 to increase along the direction away from the first rack 2322 so as to realize the range-extending function of the drive mechanism 23 and reduce the number of second motors when sealing each time. The rotation of 2311 realizes the effect of energy saving, and this kind of transmission mode of the present invention can also greatly reduce the overall cost compared to the existing mode. Further, the stability of the seal of the garbage bag is increased through the guiding functions of the first guide plate 241, the second guide plate 242 and the guide shaft 243, and the elastic force of the first spring group 2431 pushes the first guide plate tightly. 241 so as to eliminate the movement caused by the gap between the scissor hinge assemblies 232, so that the scissor hinge assemblies 232 are in a stable state during operation, and the second spring set 2432 is used for buffering the heat-sealed bag opening device 25 The active force between them prevents the excessive force between the heat-sealing bag mouth devices 25 from melting the mouth of the garbage bag to break and thus creating a gap, causing the garbage bag 3 to emit odor. After the heat sealing is completed, the power transmission assembly 231 Drive the scissor hinge assembly 242 to retract, and the second spring group 2432 pushes the second guide plate 242 so as to prevent the heat-sealed garbage bag 3 from sticking to the second guide plate, thereby Assist in unloading.

The present invention also includes a control method for a trash can, comprising the following steps:

S10: Fix the garbage bag on the bag storage device; the steps include: take a new garbage bag 3 and set it on the hollow cylinder 211, then fasten the ring-shaped cover 213 with the hollow cylinder 211, and pull it up One end of the garbage bag 3 bypasses the annular cover 213 from the outside of the hollow cylinder 211 and enters the inside of the hollow cylinder 211, and uses a bagging correction device to place one end of the garbage bag 3 on the bag feeding wheel In group 225, then take out the bagging correction device; if using a soft bag, remove the annular cover 213 from the base of the movement, insert the soft bag into the annular groove of the movement, and then buckle the ring Shape cover body 213, pull up soft bag and walk around ring-shaped cover and be placed in the bag sending wheel set 225 so as to fix soft bag. S20: When disposing of garbage, open the garbage bag through the extended-range garbage bag shrinking mechanism;

S30: After the garbage is put in, shrink it again through the extended program garbage bag shrinking mechanism; monitor the garbage putting in through the sensor, and then seal the garbage bag through the shrinking mechanism to prevent the garbage bin from becoming rancid.

S40: When the garbage bag is full, stretch the garbage bag out of the bag storage device through the automatic bag feeding device: when the sensor senses that the garbage can is full, the automatic bag feeding device can be activated 22. The bag feeding wheel set 225 on both sides clamps the garbage bag 3 or the soft bag, and the first motor 221 drives the first gear set 222 and the second gear set 224 to synchronize the garbage bag to Pull down to break away from the hollow cylinder 211 .

S50: Sending bags a predetermined distance through the automatic bag feeding device, the distance is such that the opening of the garbage bag is within the working range of the shrinking mechanism 24 of the extended-range garbage bag shrinking mechanism.

S60: Heat sealing is performed through the garbage bag shrinking mechanism, and the second motor 2311 drives the scissor hinge 2323 to drive the first guide plate 241 to slide relatively to the second guide plate 242 to realize the opening of the garbage bag 3 tightening and opening the heat-sealing pocket device 25 carries out pocket heat-sealing to the garbage bag 3 after the shrinkage of the pocket, and completes the heat-sealing packing of the garbage bag 3 to prevent the smell of rubbish from distributing.

Embodiment two:

Referring to Figure 13, this embodiment is basically the same as Embodiment 1, the difference is that the power transmission assembly 231 includes a first cylinder 2313 connected to the second shearing group 2323b; the second shearing arm 2323b1 further includes a fifth through hole 2323b13 disposed at the end of the second front scissor arm 2323b11 away from the second through hole 23232, wherein the fifth through hole 2323b13 of the second shear arm 2323b1 is connected to the second through hole 2323b13. The first cylinder 2313 is connected, and the first bolt 23210 is passed through the fifth through hole 2323b13 of the second shearing arm 2323b1 to improve the stability of the scissor hinge 2323. In this embodiment Simplify the structure of the driving mechanism 23, and use the stability of the first cylinder 2313 to drive the scissor hinge 2323, avoiding problems such as unstable transmission and poor sealing effect due to the large matching tolerance of the first rack 2322 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A refuse bag necking movement, comprising:

the driving mechanism comprises a power transmission assembly and a scissor hinge assembly;

the necking mechanism comprises a first guide plate arranged on the scissor hinge assembly and a second guide plate arranged opposite to the first guide plate;

the power transmission assembly is used for driving the scissor hinge assembly to stretch and condense, and then driving the first guide plate to relatively slide towards the second guide plate so as to realize the shrinkage and opening of the garbage bag.

2. The extended range garbage bag necking machine of claim 1 wherein the power transmission assembly comprises a second motor and a first gear connected with the second motor; the shear fork hinge assembly comprises a fixing piece, a guide groove arranged on the fixing piece, a first rack which is accommodated in the guide groove and meshed with the first gear, and a shear fork hinge connected with the first rack.

3. An extended reach garbage bag necking machine in accordance with claim 2 wherein the length of each scissor fork set increases in a direction away from said first rack.

4. A range-extending refuse bag necking machine in accordance with claim 3, characterized in that said scissors hinge comprises:

the first shearing fork group comprises two first shearing fork arms, and one end of each first shearing fork arm is rotatably arranged on the first rack;

the second shearing fork group comprises two second shearing fork arms which are arranged in a crossing way, and a second through hole is formed at the crossing point of each second shearing fork arm; one end of each second shearing fork arm is respectively connected with the other end of each first shearing fork arm in a rotating way, and the fixing piece further comprises a first bolt which is arranged in the second through hole in a penetrating way, so that the second shearing fork arms can swing around the first bolts for extending the range.

5. The extended-range garbage bag necking machine of claim 4 in which said scissors hinge further comprises:

the third shearing fork group comprises two third shearing fork arms and second bolts which are arranged in a crossing way, and a third through hole is formed at the crossing point of each third shearing fork arm; one end of each third shearing fork arm is respectively connected with the other end of each second shearing fork arm in a rotating way, and the second bolt penetrates through the third through hole;

the fourth shearing fork group comprises two fourth shearing fork arms and third bolts which are arranged in a crossing way, and a fourth strip-shaped through hole is formed at the crossing point of each fourth shearing fork arm; one end of each fourth shearing fork arm is respectively connected with the other end of each third shearing fork arm in a rotating way, and the third bolt penetrates through the fourth strip-shaped through hole.

6. The range-extending garbage bag necking machine core according to claim 1, wherein the first guide plate and the second guide plate are of double-layer structures, the first guide plate comprises an upper clamping plate and a lower clamping plate, the second guide plate is provided with an upper clamping plate guide groove and a lower clamping plate guide groove which are respectively matched with the upper clamping plate and the lower clamping plate, the upper clamping plate is in sliding connection with the upper clamping plate guide groove so as to achieve upper shrinkage of a garbage bag opening, and the lower clamping plate is in sliding connection with the lower clamping plate guide groove so as to achieve lower shrinkage of the garbage bag opening.

7. The extended-range garbage bag necking machine core according to claim 6, wherein positioning holes are formed on two sides of the first guide plate and the second guide plate, guide shafts are accommodated in the positioning holes, a first spring group is arranged on one end of the guide shafts, which is close to the first guide plate, a second spring group is arranged on one end of the guide shafts, which is close to the second guide plate, the first guide plate compresses the first spring group when the first guide plate and the power transmission assembly are in a tightened state, the first guide plate pushes the first guide plate tightly under the action of elasticity of the first spring group when the power transmission assembly drives the first guide plate to extend, so that movement generated by gaps between the first guide plate and the second guide plate is eliminated, the second guide plate compresses the second spring group when the first guide plate and the second guide plate are in contact, the second spring group is used for buffering acting force between the heat sealing bag devices, and the second guide plate drives the second guide plate to push and retract under the assistance of the power transmission assembly after the heat sealing operation is finished.

8. A trash can, comprising:

the garbage can body comprises a garbage bag storage opening and a discharge opening;

the bag storage device is arranged at the garbage bag storage opening and used for storing hollow garbage bags;

the automatic bag feeding device is arranged below the bag storage device;

and the program-increasing garbage bag necking machine core is arranged below the automatic bag conveying device and comprises any one of claims 1-7.

9. A method of controlling a trash can according to claim 8, comprising the steps of:

s10: securing the trash bag to the bag storage;

s20: when garbage is put in, the garbage bag is opened through the range-extending garbage bag necking machine core;

s30: after the garbage is put in, the program-increasing garbage bag necking machine core is used for necking again;

s40: when the garbage bag is full, the garbage bag is stretched out of the bag storing device through the automatic bag feeding device:

s50: and conveying bags for a preset distance by the automatic bag conveying device.

10. The method of claim 9, wherein the extended range garbage bag necking machine core further comprises a heat sealing bag opening device, and the heat sealing bag opening device is arranged on the first guide plate and/or the second guide plate, and the method further comprises:

s60: and heat sealing is carried out through the garbage bag necking machine core.

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