CN211253876U

CN211253876U - Garbage bag opening tying device and medical waste collecting box thereof

Info

Publication number: CN211253876U
Application number: CN201921522038.XU
Authority: CN
Inventors: 陈利涛; 陈文举; 侯鸿旭
Original assignee: Zhengzhou Reform Intelligent Equipment Co ltd
Current assignee: Zhengzhou Reform Intelligent Equipment Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-14
Anticipated expiration: 2029-09-12

Abstract

The utility model provides a garbage bag tying device and a medical waste collecting box thereof, which comprises a bag collecting mechanism, a bag folding mechanism and a tying mechanism, wherein when a medical garbage bag is filled, a first driving mechanism drives a first rotating piece to close the garbage bag so that the upper end of the garbage bag is gathered into a folding piece of the bag folding mechanism; the second driving mechanism drives the folding piece to fold the upper end of the garbage bag in half, the third rotating piece or the fourth rotating piece enables the tying mechanism to fall to the position of tying work, the fourth driving mechanism drives the bending portion to rotate to bend the iron wire into a U shape, the U-shaped iron wire is wrapped outside the upper end of the garbage bag in half, and the fifth driving motor drives the second rotating piece to enable two arms of the U-shaped iron wire to be wound mutually so as to be used for tying the garbage bag. The opening tying process of the garbage bag does not need manual operation of cleaning personnel, and the garbage bag is safe and convenient to use.

Description

Garbage bag opening tying device and medical waste collecting box thereof

Technical Field

The utility model belongs to the medical health field, concretely relates to disposal bag pricks a mouthful device and medical waste collecting box thereof.

Background

Medical waste refers to contaminated waste produced by hospitals, and these substances are often accompanied with infectious germs, viruses, and chemical and radioactive pollutants, and have a great risk. If the treatment is improper, not only can the environment be polluted, but also the disease can be spread, and further the health and life safety of the masses of people are greatly threatened. In order to keep the environmental sanitation, the medical garbage bag is placed in the collection box body at present, and after the medical garbage bag is filled, a cleaner needs to manually pack the medical garbage bag, so that the cleaner can easily touch medical wastes, and potential safety hazards are brought to the cleaner.

SUMMERY OF THE UTILITY MODEL

The technical problem of the potential safety hazard is brought to the manual packing of above-mentioned cleanup crew, the utility model aims at providing a disposal bag pricks a mouthful device and medical waste collecting box thereof, and it can prick a mouthful, cleanup crew convenience safe in utilization automatically to the disposal bag.

The purpose of the utility model is realized through the following technical scheme.

A trash bag opening tying device comprising:

the bag collecting mechanism comprises a first rotating part for closing the garbage bag;

the bag folding mechanism comprises a folding piece which is used for accommodating the upper end of the garbage bag and folding the upper end of the garbage bag in half, and the folding piece is arranged right behind the bag collecting mechanism;

the tying mechanism comprises a wire feeding mechanism for wrapping the U-shaped iron wire on the outer side of the folded upper end of the garbage bag, and a second rotating piece for winding two arms of the U-shaped iron wire.

The first rotating part comprises a first left rotating part and a first right rotating part, the first left rotating part and the first right rotating part rotate to drive the opening of the garbage bag to advance, and at least one of the first left rotating part and the first right rotating part is driven to rotate by the first driving mechanism.

The bag folding mechanism further comprises a baffle plate, the folding piece is arranged above the baffle plate, a third rotating piece and a fourth rotating piece which are opened and closed left and right are arranged in front of the baffle plate, the first left rotating piece is arranged on the third rotating piece, the first right rotating piece is arranged on the fourth rotating piece, a first gear and a second gear are arranged behind the baffle plate, the first gear is in transmission connection with the third rotating piece through a bearing structure, the second gear is in transmission connection with the fourth rotating piece through a bearing structure, the first gear is meshed with the second gear, and the first gear or the second gear is driven to rotate by a second driving mechanism;

the folding piece is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is fixedly connected with a third gear, the third gear is in transmission connection with a driving gear in the first gear or the second gear through a multi-stage gear structure, the folding piece does circular motion by taking the third gear as the circle center and the first connecting rod as the radius, and a track matched with the circular motion of the folding piece is arranged on the baffle;

the lower part of the folding piece is provided with a first cross rod, the first cross rod is arranged on the baffle, a regular open slot is arranged on the baffle and is positioned below the first cross rod, the opening of the regular open slot points to one side of the track on the baffle, the first cross rod and the regular open slot are both positioned in the circumferential area of the folding piece, and the length of the first cross rod is greater than the height of the regular open slot.

And a fifth rotating part for screwing the upper end of the garbage bag in a rotating manner is arranged right above the folding part, and the fifth rotating part is driven to rotate by a third driving mechanism.

The baffle is provided with a side plate, the side plate is arranged below the regular open slot, and the inner side surface of the side plate and one of the rotating pieces in the left rotating piece or the right rotating piece are positioned in the same vertical plane.

The bottom of the baffle is vertically and fixedly connected with a first transverse plate, the tying mechanism is arranged on a second transverse plate, at least one upright post is arranged between the first transverse plate and the second transverse plate, the upper end of the upright post is fixedly connected with the second transverse plate, and the lower end of the upright post passes through the first transverse plate and is in sliding connection with the first transverse plate;

the third rotating piece or the fourth rotating piece is connected with the second transverse plate through a second connecting rod, the second connecting rod is hinged with the third rotating piece or the fourth rotating piece, and the second connecting rod is hinged with the second transverse plate.

The wire feeding mechanism comprises a wire barrel for winding an iron wire, a first penetrating piece for determining the direction of the iron wire, a sixth rotating piece for conveying the iron wire, a second penetrating piece for breaking the iron wire, a wire groove for changing the direction of the iron wire and a bending part for bending the iron wire into a U shape;

the iron wire sequentially penetrates through the first penetrating piece, the sixth rotating piece, the second penetrating piece and the wire groove from the wire barrel, and the iron wire penetrates through the wire groove and then extends to the end part of the bending part;

one point on the wire groove is hinged with the second transverse plate, one point on the bending part is hinged with the second transverse plate, the wire groove is connected with the bending part through an elastic piece, and the bending part is driven to rotate by a fourth driving mechanism;

the second rotating part is provided with a pair of winding arms which are rotationally symmetrical, and the second rotating part is driven to rotate by a fifth driving mechanism.

The end of the bending part is an arc-shaped bending part, the fourth driving mechanism comprises a fourth motor, a connecting piece and a third connecting rod, the fourth motor is in transmission connection with the connecting piece, one end of the third connecting rod is hinged with the connecting piece, and the other end of the third connecting rod is hinged with the bending part.

The sixth rotating part comprises a sixth left rotating part and a sixth right rotating part, the sixth left rotating part and the sixth right rotating part rotate to drive the iron wire to advance, and at least one rotating part of the sixth left rotating part and the sixth right rotating part is driven by the sixth driving mechanism to rotate;

and a cutting part is arranged on the second penetrating part and driven to move by the connecting part.

A medical waste collecting box uses the above garbage bag tying device.

The utility model has the advantages that: the utility model discloses a garbage bag tying device and medical waste collecting box thereof, which is provided with a closing mechanism, a bag folding mechanism and a tying mechanism, when the medical garbage bag is filled, a first driving mechanism drives a first rotating piece to close the garbage bag, so that the upper end of the garbage bag is folded into a folding piece of the bag folding mechanism; the second driving mechanism drives the folding piece to fold the upper end of the garbage bag in half, the third rotating piece or the fourth rotating piece enables the tying mechanism to fall to a tying working position, the fourth driving mechanism drives the bending portion to rotate to bend the iron wire into a U shape, the U-shaped iron wire is wrapped outside the folding upper end of the garbage bag, and the fifth driving motor drives the second rotating piece to enable two arms of the U-shaped iron wire to be wound mutually so as to be used for tying the garbage bag. The opening tying process of the garbage bag does not need manual operation of cleaning personnel, and the garbage bag is safe and convenient to use. The garbage bag opening tying device can be used in a medical waste collection box together with an automatic feeding device, an automatic opening device and the like, so that the condition that cleaning personnel contact medical waste is avoided, and potential safety hazards faced by the cleaning personnel are eliminated.

Drawings

Fig. 1 is a schematic structural view of a garbage bag tying device.

Fig. 2 is a schematic view of another structure of the garbage bag tying device.

Fig. 3 is a schematic structural diagram of a bag folding mechanism.

Fig. 4 is a schematic view of another structure of the bag folding mechanism.

Fig. 5 is a schematic structural view of the tying mechanism.

Fig. 6 is a schematic view of still another structure of the tying mechanism.

Fig. 7 is a schematic view of the construction of the medical waste collection box.

In the drawing, 1 is a bag collecting mechanism, 101 is a first left rotating member, 102 is a first right rotating member, 103 is a first motor, 2 is a bag folding mechanism, 201 is a folding member, 202 is a baffle, 203 is a third rotating member, 204 is a fourth rotating member, 205 is a first gear, 206 is a second gear, 207 is a second motor, 208 is a first connecting rod, 209 is a third gear, 210 is a first cross bar, 211 is a regular open slot, 212 is a track, 213 is a fifth rotating member, 214 is a third motor, 215 is a side plate, 216 is a first cross plate, 217 is a second cross plate, 218 is a second connecting rod, 219 is a column, 3 is a tying mechanism, 301 is a second rotating member, 302 is a bobbin, 303 is a first penetrating member, 304 is a sixth left rotating member, 305 is a sixth right rotating member, 306 is a sixth motor, 307 is a second penetrating member, 308 is a cutting member, 309 is a wire groove, 310 is a bending portion, 311 is a fourth motor, 312 is a connecting member, 313 is a third connecting rod, 314 is a fifth motor, 4 is a garbage bag tying device, 5 is a box body, 6 is a bag clamping device, and 7 is a bag feeding device.

Detailed Description

As shown in fig. 1 to 6, a garbage bag opening tying device is used for tying medical garbage bags to prevent cleaning staff from contacting medical garbage. Comprises a bag collecting mechanism for closing the opening of the garbage bag, a bag folding mechanism for folding the upper end of the garbage bag in half, and an opening tying mechanism for tying the upper end of the folded garbage bag.

Fig. 1 shows a front state in which the third rotor 203 and the fourth rotor 204 are opened, fig. 2 shows a rear state in which the third rotor 203 and the fourth rotor 204 are closed, and fig. 6 shows respective parts of the tying mechanism.

It should be noted that "front", "rear", "upper" and "lower" in the present invention are defined with the bag collecting mechanism in front and the tying mechanism in top.

The bag collecting mechanism 1 comprises a first rotating member for closing the garbage bag, the first rotating member comprises a first left rotating member 101 and a first right rotating member 102, the first left rotating member 101 and the first right rotating member 102 rotate to drive the opening of the garbage bag to advance, and at least one of the first left rotating member 101 and the first right rotating member 102 is driven by a first driving mechanism to rotate.

The working process of the bag collecting mechanism is as follows: the first left rotating part 101 and the first right rotating part 102 adopt roller structures, the first left rotating part 101 is selected to be driven to rotate by a first driving mechanism, the first driving mechanism comprises a first motor 103, the first motor 103 can be directly connected with the first left rotating part 101 in a transmission mode, and the first motor 103 can also be connected with the first left rotating part 101 in a transmission mode through a multi-stage gear structure or a synchronous belt structure. When the garbage bag is closed, the first motor 103 is started, the first motor 103 drives the first left rotating part 101 to rotate, one side of the garbage bag is clamped between the first left rotating part 101 and the first right rotating part 102 in advance, when the first left rotating part 101 rotates, the first right rotating part 102 is driven to rotate through extrusion, the first left rotating part 101 and the first right rotating part 102 rotate together to drive the garbage bag opening to advance until the garbage bag opening is completely closed, and therefore the work of the bag collecting mechanism 1 is finished.

The bag folding mechanism 2 comprises a folding member 201 for accommodating the upper end of the garbage bag and folding the upper end of the garbage bag in half, the folding member 201 is preferably a U-shaped plate, and the upper end of the garbage bag is accommodated in the hollow structure of the folding member 201. The folding member 201 is disposed right behind the bag collecting mechanism 1. The bag folding mechanism 2 further comprises a baffle 202, the folding member 201 is arranged above the baffle 202, a third rotating member 203 and a fourth rotating member 204 which are opened and closed left and right are arranged in front of the baffle 202, the third rotating member 203 and the fourth rotating member 204 respectively comprise a vertical plate member parallel to the baffle 202 and a horizontal plate member perpendicular to the baffle 202, the vertical plate member and the horizontal plate member are fixedly connected, the first left rotating member 101 is arranged on the horizontal plate member of the third rotating member 203, the first right rotating member 102 is arranged on the horizontal plate member of the fourth rotating member 204, a first gear 205 and a second gear 206 are arranged behind the baffle 202, the first gear 205 is in transmission connection with the third rotating member 203 through a bearing structure, the second gear 206 is in transmission connection with the fourth rotating member 204 through a bearing structure, the first gear 205 is meshed with the second gear 206, and the first gear 205 or the second gear 206 is driven to rotate by a second driving mechanism. The second driving mechanism comprises a second motor 207, and the second motor 207 is in transmission connection with the first gear 205 or the second gear 206.

The folding member 201 is fixedly connected to one end of a first link 208, the other end of the first link 208 is fixedly connected to a third gear 209, the third gear 209 is in transmission connection with a driving gear in the first gear 205 or the second gear 206 through a multi-stage gear structure, and the driving gear is a gear in transmission connection with the second driving mechanism. The folding piece 201 performs circular motion by taking the third gear 209 as a circle center and the first connecting rod 208 as a radius, the circular motion of the folding piece 202 is a half circle, and the baffle 202 is provided with a track 212 matched with the circular motion of the folding piece 201. The trajectory 212 is embodied in the shape of the flap 202 so as not to interfere with the circular motion of the folder 201.

The first cross bar 210 is arranged below the folding piece 201, the first cross bar 210 is arranged on the baffle 202, preferably, the vertical surface of the first cross bar 210 is positioned on one side of the vertical surface of the side surface of the folding piece 201, namely, when the folding piece 201 turns left, the vertical surface of the first cross bar 210 is positioned on the left side of the vertical surface of the side surface of the folding piece 201, and when the folding piece 201 turns right, the vertical surface of the first cross bar 210 is positioned on the right side of the vertical surface of the side surface of the folding piece 201. The first cross bar 210 serves as a folding point at the upper end of the garbage bag.

The baffle 202 is provided with a regular open slot 211, the regular open slot 211 is positioned below the first cross bar 210, the opening of the regular open slot 211 points to one side of a track 212 on the baffle 202, the first cross bar 210 and the regular open slot 211 are both positioned in a semi-circle area of the folding piece 201, the length of the first connecting rod 208 is greater than the height of the regular open slot 211, namely, after the folding piece 201 rotates for a half circle, a part of the upper end of the folded garbage bag is positioned in a space where the regular open slot 211 is positioned.

A fifth rotating member 213 for rotatably tightening the upper end of the garbage bag is disposed right above the folding member 201, and the fifth rotating member 213 is driven to rotate by a third driving mechanism. The fifth rotating member 213 is preferably a U-shaped plate member, the opening of the U-shaped plate member faces the upper end of the garbage bag, the third driving mechanism includes a third motor 214, the third motor 214 is in transmission connection with the fifth rotating member 213 through a transmission mechanism, preferably, the output shaft of the third motor 214 is directly in key connection with the fifth rotating member 213, and the fifth rotating member 213 and the third driving mechanism are disposed above the third rotating member 203 or the fourth rotating member 204.

The baffle 202 is provided with a side plate 215, the side plate 215 is arranged below the regular opening groove 211, and the side plate 215 and a center line between the first left rotating member 101 and the first right rotating member 102 are positioned in the same vertical plane. Preferably, one end of the side plate 215 facing the front is arranged to be bent at an obtuse angle, and the bent direction is towards the left or right, that is, the side plate 215 is used to make the upper end of the garbage bag enter the folding member 201 completely.

The bottom of the baffle 202 is vertically and fixedly connected with a first transverse plate 216, the tying mechanism 3 is arranged on a second transverse plate 217, at least one upright 219 is arranged between the first transverse plate 216 and the second transverse plate 217, the upper end of the upright 219 is fixedly connected with the second transverse plate 217, and the lower end of the upright 219 passes through the first transverse plate 216 and is slidably connected with the first transverse plate 216. The third rotating member 203 or the fourth rotating member 204 is connected to the second cross plate 217 through a second connecting rod 218, the second connecting rod 218 is hinged to the third rotating member 203 or the fourth rotating member 204, and the second connecting rod 218 is hinged to the second cross plate 217. When the third rotating member 203 or the fourth rotating member 204 rotates, the third rotating member 203 or the fourth rotating member 204 drives the second link 218 to move, the second link 218 drives the second cross plate 217 to move, and the second cross plate 217 moves downward along the upright 219. The fourth rotating member 204 and the second cross plate 217 are connected by the second link 218 as an example: the fourth rotating member 204 rotates to the right to drive the lower end of the second connecting rod 218 to move downwards while moving to the right, the second connecting rod 218 is hinged to the second transverse plate 217, and the second transverse plate 217 is constrained by the force of the upright column 219, so that the second connecting rod 218 can only drive the second transverse plate 217 to move downwards, and the tying mechanism 3 moves downwards along with the second transverse plate 217.

The tying mechanism 3 comprises a wire feeding mechanism for wrapping the U-shaped iron wire at the outer side of the folded upper end of the garbage bag, and a second rotating member 301 for winding two arms of the U-shaped iron wire.

The wire feeding mechanism includes a wire barrel 302 for winding a wire, a first penetrating member 303 for determining a wire direction, a sixth rotating member for feeding the wire, a second penetrating member 307 for breaking the wire, a wire groove 309 for changing the wire direction, and a bending portion 310 for bending the wire into a U shape. Preferably, the spool 302 is disposed on the first cross plate 216, and the slot 309 has a slot disposed in an arc, so that the wire passing through the slot is changed in the direction of the wire to go out compared with the direction of the wire to go in.

The sixth rotating part comprises a sixth left rotating part 304 and a sixth right rotating part 305, the sixth left rotating part 304 and the sixth right rotating part 305 rotate to drive the iron wire to advance, and at least one of the sixth left rotating part 304 and the sixth right rotating part 305 is driven to rotate by the sixth driving mechanism; the sixth left rotating member 304 and the sixth right rotating member 305 are preferably upper layer gears, lower layer non-gear knurled gears, the wire passes through the lower layer, the sixth driving motor comprises a sixth motor 306, and the sixth motor 306 is in transmission connection with the sixth left rotating member 304 or the sixth right rotating member 305.

The end of the bending portion 310 is an arc-shaped bending member, and preferably, the arc-shaped bending member is a quarter-circle line. The fifth driving mechanism comprises a fifth motor 311, a connecting piece 312 and a third connecting rod 313, the fifth motor 311 is in transmission connection with the connecting piece 312, one end of the third connecting rod 313 is hinged with the connecting piece 312, and the other end of the third connecting rod 313 is hinged with the bending part 310. The connector 312 is preferably a fan-shaped structure.

The second through-member 307 is provided with a cutting member 308, and the cutting member 308 is driven by a connecting member 312. Preferably, the end of the cutting member 308 is a blade capable of cutting off the iron wire, and when the cutting member 308 is pressed by external force, the blade cuts off the iron wire. When the connecting member 312 is rotated, one end of the connecting member 312 continuously presses the cutting member 308, so that the cutting member 308 moves, thereby pressing the cut wire.

The iron wire starts from the bobbin 302 and sequentially passes through the first penetrating piece 303, the sixth rotating piece, the second penetrating piece 307 and the wire groove 309, and the iron wire passes through the wire groove 309 and then extends to the end of the bent part 310.

One point on the wire groove 309 is hinged with the second transverse plate 217, one point on the bending part 310 is hinged with the second transverse plate 217, the wire groove 309 is connected with the bending part 310 through an elastic piece, the elastic piece is preferably a spring, and the bending part 310 is driven to rotate by a fourth driving mechanism.

The second rotating member 301 is provided with a pair of winding arms which are rotationally symmetric, and the second rotating member 301 is driven to rotate by a fifth driving mechanism. The fifth driving mechanism comprises a fifth motor 311, the fifth motor 311 can be directly connected with the second rotating member 301 through a key, and the fifth motor 311 can also be in transmission connection with the second rotating member 301 through a synchronous belt or a multi-stage gear structure.

The working processes of the bag folding mechanism 2 and the tying mechanism 3 are as follows: after the closing mechanism 1 receives the upper end of the garbage bag into the folding member 201 and the fifth rotating member 213, at this time, the side plate 215 and the first cross bar 210 are located at two sides of the upper end of the garbage bag, the second motor 207 is started, the second motor 207 drives the first gear 205 to rotate, the first gear 205 is directly meshed with the second gear 206, the first gear 205 is meshed with the third gear 209 through a multi-stage gear, the first gear 205 drives the second gear 206 and the third gear 209 to rotate simultaneously, the third rotating member 203 and the fourth rotating member 204 are opened simultaneously, the folding member 201 rotates to the right side under the action of the third gear 209, the folding member 201 rotates 180 degrees, and the first cross bar 210 is used as a folding point to fold the upper end of the garbage bag. When the fourth rotating member 204 rotates to the left, the fourth rotating member 204 drives the second connecting rod 218 to move, the second connecting rod 218 drives the second horizontal plate 217 and the tying mechanism 3 on the second horizontal plate 217 to move downward, and after the folding member 201 rotates 180 degrees, the tying mechanism 3 falls on the regular open slot 211 of the baffle plate 202, that is, the bending portion 310 and the regular open slot 211 are located on the same horizontal plane.

Starting the fourth motor 311 and the sixth motor 306, the sixth rotating member continuously supplies iron wires, the fourth motor 311 rotates to drive the connecting member 312 to rotate, the connecting member 312 drives the third connecting rod 313 to move, the third connecting rod 313 further drives the bending portion 310 to do circular motion around the hinge point, while the bending portion 310 moves, the elastic member drives one end of the wire slot 309 to move, one end of the wire slot 309 moves, the direction of the iron wires changes again, the iron wires extending out of the wire slot 309 continuously increase due to continuous iron wire supply, until the length of the iron wires exceeds the bending rod of the bending portion 310, the bending rod continuously rotates to extrude the iron wires until the bending rod rotates to reach the regular open slot 211, the fourth motor 311 and the sixth motor 306 stop working, at this time, under the combined action of the extrusion of the bending rod and the direction change of the wire slot 309, the iron wires are in a U shape outside the second penetrating member 307, the U-shaped iron wire is wrapped at the outer side of the folded upper end of the garbage bag. At the same time, since the connecting member 312 is a fan-shaped or longer-end member, the edge of the fan-shaped or longer-end portion is pressed against the cutting member 308, and the pushing force is continuously applied to the cutting member 308, one end of the cutting member 308 cuts the wire inside the second penetrating member 307. So far, the U-shaped iron wire is an iron wire with an independent end.

The fifth motor 314 is started, the fifth motor 314 drives the second rotating part 301 to rotate through a synchronous belt or a multi-stage gear structure, the second rotating part 301 is provided with winding arms in rotational symmetry, one arm of the U-shaped iron wire is furled by the two winding arms respectively, and after the winding arms rotate for several circles, the two arms of the U-shaped iron wire are wound with each other to seal the upper end of the garbage bag.

The tying mechanism 3 is moved above the first cross bar 210, and the garbage bag after tying is removed by a cleaner. And finishing the opening tying of the garbage bag.

It should be noted that the motor and some controls of the above-mentioned garbage bag tying device are controlled by the existing controller.

As shown in FIG. 7, a medical waste collecting container using the above-mentioned garbage bag tying device is used by being integrated with a bag attaching device 7 and a bag holding device 6 in a container 5. The bag feeding device 7 is used for feeding garbage bags. When the garbage bag is loaded, the garbage bag opening device 4 is moved integrally, the third rotating piece 203 and the fourth rotating piece 304 are slightly opened to enable a certain gap to leak out of the third rotating piece 203 and the fourth rotating piece 304, one side of the garbage bag is placed between the first left rotating piece 101 and the first right rotating piece 102, then the third rotating piece 203 and the fourth rotating piece 204 are closed, the garbage bag opening device 4 is moved back to the original position, and the garbage bag is opened. After the garbage bag is filled with medical garbage, the bag clamping device 6 is started, the bag clamping device 6 clamps the opening of the garbage bag into a plane shape, and then the garbage bag opening tying device 4 is started to tie the opening of the garbage bag.

The above description is only a preferred embodiment of the present invention, and is not a limitation to the technical solution of the present invention, it should be noted that, the workers in the field can make further improvements and changes on the premise of the technical solution of the present invention, and these improvements and changes should be covered in the protection scope of the present invention.

Claims

1. A garbage bag tying device is characterized by comprising:

2. A trash bag opening tying device according to claim 1 wherein the first rotating member comprises a first left rotating member and a first right rotating member, the first left rotating member and the first right rotating member rotating to advance the trash bag opening, at least one of the first left rotating member and the first right rotating member being driven to rotate by the first driving mechanism.

3. The trash bag opening and closing device according to claim 2, wherein the bag folding mechanism further comprises a baffle plate, the folding member is arranged above the baffle plate, a third rotating member and a fourth rotating member which can be opened and closed left and right are arranged in front of the baffle plate, the first left rotating member is arranged on the third rotating member, the first right rotating member is arranged on the fourth rotating member, a first gear and a second gear are arranged behind the baffle plate, the first gear is in transmission connection with the third rotating member through a bearing structure, the second gear is in transmission connection with the fourth rotating member through a bearing structure, the first gear is meshed with the second gear, and the first gear or the second gear is driven to rotate by a second driving mechanism;

4. A garbage bag tying device according to claim 3 wherein a fifth rotating member for rotatably tightening the upper end of the garbage bag is provided directly above the folding member, and the fifth rotating member is rotated by a third driving mechanism.

5. The trash bag opening tying device according to claim 4, wherein the blocking plate is provided with a side plate, the side plate is disposed below the regular open slot, and the side plate is located in the same vertical plane as an inner side surface of one of the left rotating member or the right rotating member.

6. The trash bag tying device according to claim 3, 4 or 5, wherein the bottom of the baffle is vertically and fixedly connected with a first transverse plate, the tying mechanism is arranged on a second transverse plate, at least one upright post is arranged between the first transverse plate and the second transverse plate, the upper end of the upright post is fixedly connected with the second transverse plate, and the lower end of the upright post passes through the first transverse plate and is slidably connected with the first transverse plate;

7. The trash bag tying device according to claim 6, wherein the wire feeding mechanism includes a wire barrel for winding a wire, a first penetrating member for determining a wire direction, a sixth rotating member for conveying the wire, a second penetrating member for breaking the wire, a wire groove for changing the wire direction, and a bending portion for bending the wire into a U shape;

8. The trash bag opening tying device according to claim 7, wherein the end of the bent portion is an arc-shaped bent member, the fourth driving mechanism includes a fourth motor, a connecting member and a third connecting rod, the fourth motor is in transmission connection with the connecting member, one end of the third connecting rod is in hinged connection with the connecting member, and the other end of the third connecting rod is in hinged connection with the bent portion.

9. The trash bag tying device of claim 8 wherein the sixth rotating member comprises a sixth left rotating member and a sixth right rotating member, the sixth left rotating member and the sixth right rotating member rotating to advance the wire, at least one of the sixth left rotating member and the sixth right rotating member being driven by a sixth driving mechanism;

10. A medical waste collecting box, characterized in that the medical waste collecting box uses the disposal bag tying device according to any one of claims 1 to 9.