CN113232943B

CN113232943B - Closing device suitable for bagging machine

Info

Publication number: CN113232943B
Application number: CN202110654862.6A
Authority: CN
Inventors: 黄松; 朱报兴; 张诗刚
Original assignee: Foshan Soontrue Machinery Equipment Co Ltd
Current assignee: Foshan Soontrue Machinery Equipment Co Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-11-22
Anticipated expiration: 2041-06-11
Also published as: CN113232943A

Abstract

The invention discloses a sealing device suitable for a bagging machine, and relates to the technical field of packaging machinery. The bag opening arranging mechanism comprises a bag opening arranging mechanism, a bag opening clamping mechanism, a packaging bag conveying mechanism and a heat sealing mechanism, wherein the packaging bag conveying mechanism is of a turntable structure and is used for conveying packaging bags filled with materials in a rotating mode; the bag mouth arrangement mechanism and the heat-sealing mechanism are fixedly arranged on the circumferential side of the packaging bag conveying mechanism, the bag mouth arrangement mechanism arranges the bag mouths of the packaging bags on the packaging bag conveying mechanism, the bag mouth clamping mechanism clamps the bag mouths arranged by the bag mouth arrangement mechanism and rotates along with the packaging bag conveying mechanism, and the arranged bag mouths are arranged in the heat-sealing mechanism for heat sealing. The sealing device of the invention simplifies the structure of the sealing device of the prior bagging machine by arranging the turntable structure, so that the structure of the sealing device is more compact, the cost is reduced, and the volume of the whole sealing device is miniaturized.

Description

Sealing device suitable for bagging machine

Technical Field

The invention relates to the technical field of packaging machinery, in particular to a sealing device suitable for a bagging machine.

Background

The bagging machine is a machine for packaging materials by adopting prefabricated packaging bags, and is finished by sleeving the bags on the materials or a packaging machine for filling the materials into the bags.

The existing bagging packaging machine is used for filling materials into a prefabricated packaging bag, or sealing the opening position of the packaging bag after the prefabricated packaging bag is sleeved on the materials. The action principle of the existing bagging machine is as follows: the bag suction mechanism sucks the prefabricated bags out of the bag warehouse, the prefabricated bags are sleeved on the bag opening mechanism, then the material pushing mechanism pushes the material into the packaging bag from the bag opening mechanism, and the material is continuously pushed to the sealing mechanism for sealing operation.

The patent application of the invention, which is named as a full-automatic bagging sealing machine and has the publication number of CN112744404A, is disclosed by the national intellectual property office on the 5 th and 4 th months of 2021, and comprises a product conveying part to be bagged, a product pushing part to be bagged, a bag feeding part, a bagging part, a bag opening part, a product transition and bag repairing part, a bag repairing and positioning part, a bag opening pressing and conveying part and a heat sealing part. In this patent application, the partial propelling movement material of cover bag product propelling movement is when propping the bag part, get into and overlap in propping the wrapping bag on the bag part, then cover bag product propelling movement part continues propelling movement forward for the wrapping bag breaks away from and props the bag part and get into the product transition and repair the bag part and repair a mouthful location part, the product transition and repair the bag part and fold the sack and fold neatly, it is used for retraining a mouthful wrapping bag and repair a bag position to repair mouthful location part, sack pressfitting conveying part is used for sending the neat wrapping bag pressfitting of stack to heat-seal part, heat-seal part is used for treating to heat and seals the wrapping bag and heat-seal.

In the prior art, in order to finish the sealing action of the bag opening of the packaging bag, a product transition and bag repair part, a bag repair positioning part, a bag opening pressing and conveying part and a heat sealing part are arranged, and the conveying direction of the packaging bag filled with materials during the sealing operation is different from the material pushing direction, and the two directions are horizontally and vertically distributed; the structure is comparatively complicated, and equipment part is more, and the cost is higher and occupation space is great.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention provides a sealing device suitable for a bagging machine, and aims to provide a sealing device which is compact in structure, simplified in structure, low in cost and small in occupied space on the premise of not influencing sealing efficiency. Different from the existing turning sealing conveying, the invention adopts a rotating conveying mode to convey the packaging bags filled with materials, adopts a rotating disc to receive the packaging bags filled with the materials, and changes the positions of the packaging bags through the rotation of the rotating disc so as to ensure that the next packaging bag filled with the materials can be simultaneously packaged and arranged at the opening of the packaging bag while the current packaging bag is sealed. The sealing device for the bagging machine is provided with the turntable structure, so that the structure of the sealing device of the conventional bagging machine is simplified, the structure of the sealing device is more compact, the cost is reduced, and the volume of the whole sealing device is miniaturized.

In order to solve the problems in the prior art, the invention is realized by the following technical scheme:

the sealing device suitable for the bagging machine comprises a bag opening arranging mechanism, a bag opening clamping mechanism, a packaging bag conveying mechanism and a heat sealing mechanism, wherein the bag opening arranging mechanism and the heat sealing mechanism are fixedly arranged on the circumferential side of the packaging bag conveying mechanism; the bag mouth clamping mechanism clamps the bag mouth finished by the bag mouth finishing mechanism and rotates along with the packaging bag conveying mechanism, and the finished bag mouth of the packaging bag is placed in the heat sealing mechanism for heat sealing; the bag mouth clamping mechanism reciprocates between the bag mouth arranging mechanism and the heat sealing mechanism; the packaging bag conveying mechanism comprises a rotary table, a supporting mounting plate and a rotary table driving assembly, wherein the rotary table is mounted on the supporting mounting plate through a rotary mounting seat, and the rotary table driving assembly drives the rotary table to rotate relative to the supporting mounting plate; the rotary table is provided with a plurality of bag receiving stations for receiving the packaging bags filled with the materials, bag bodies of the packaging bags filled with the materials are positioned on the bag receiving stations, and bag openings are positioned on the outer sides of the bag receiving stations; the bag clamping mechanism comprises a bag clamping opening mounting frame, a connecting shaft, an upper bag clamping opening assembly, a lower bag clamping opening assembly, a bag clamping opening transmission assembly, a bag clamping opening driving assembly and a rotary driving assembly, wherein the connecting shaft penetrates through the supporting mounting plate, the rotary table and the rotary mounting seat; the upper bag clamping port assembly is positioned above the turntable, one end of the upper bag clamping port assembly is fixedly connected with the connecting shaft, and the other end of the upper bag clamping port assembly extends to the outer circumference of the turntable and extends downwards; the lower bag clamping port assembly is positioned below the rotary table, one end of the lower bag clamping port assembly is connected with the connecting shaft, and the other end of the lower bag clamping port assembly extends to the outer circumference of the rotary table and extends upwards; the upper bag clamping opening component and the lower bag clamping opening component are arranged oppositely; the bag mouth clamping driving assembly is arranged on the bag mouth clamping mounting frame and drives the upper bag mouth clamping assembly and the lower bag mouth clamping assembly to move relatively through the bag mouth clamping transmission assembly; the rotary driving assembly is connected with the connecting shaft and drives the connecting shaft to do rotary motion.

And a positioning plate for positioning the packaging bag is arranged on the inner side of the bag receiving station.

The upper bag clamping port assembly comprises an upper bag clamping port plate and an upper connecting plate, the lower bag clamping port assembly comprises a lower bag clamping port plate and a lower connecting plate, one end of the upper connecting plate is fixedly connected with the connecting shaft, the other end of the upper connecting plate is fixedly connected with the upper end of the upper bag clamping port plate, and the lower end of the upper bag clamping port plate corresponds to the upper end of the lower bag clamping port plate; one end of the lower connecting plate is arranged on the connecting shaft through a sliding connecting seat, and the other end of the lower connecting plate is connected with the lower end of the lower bag clamping opening plate; the sliding connection seat axially moves along the connecting shaft and rotates along with the connecting shaft.

And the bag clamping assembly is arranged at the lower end of the upper connecting plate and is positioned above the turntable, and when the upper connecting plate moves downwards, the bag clamping assembly clamps the packaging bag positioned on the turntable.

The bag clamping opening transmission assembly comprises a swing arm, a transmission rod I, a transmission rod II, a transmission sliding table I and a transmission sliding table II; the swing arm is arranged on the bag opening clamping mounting rack and swings relative to the bag opening clamping mounting rack; one end of the swing arm is hinged with one end of the transmission rod I, and the other end of the swing arm is hinged with one end of the transmission rod II; the other end of the transmission rod I is hinged with the transmission sliding table I, and the other end of the transmission rod II is hinged with the transmission sliding table II; sliding rails matched with the transmission sliding table I and the transmission sliding table II are arranged on the bag clamping opening mounting frame; a chuck I is fixedly connected to the connecting shaft, and a clamping groove I matched with the chuck I is formed in the transmission sliding table I; and a chuck II is fixedly arranged on the lower bag opening clamping component, and a clamping groove II matched with the chuck is formed in the transmission sliding table II.

Press from both sides sack mounting bracket and include mounting panel I and mounting panel II, mounting panel I is installed perpendicularly on mounting panel II, press from both sides sack drive assembly and press from both sides the cooperation of sack drive assembly and install on mounting panel I, the cooperation of gyration drive assembly is installed on mounting panel II.

And a rotary connecting sleeve is arranged on the mounting plate II, the rotary connecting sleeve is matched with the connecting shaft, the connecting shaft moves axially relative to the rotary connecting sleeve, and the rotary connecting sleeve rotates relative to the mounting plate II under the action of the rotary connecting sleeve.

One end of the supporting mounting plate is connected with the upper end of the mounting plate I of the bag clamping opening mounting frame.

The bag opening arranging mechanism comprises an installation table, a first sliding table, a second sliding table, a first arranging assembly, a second arranging assembly and an adjusting screw rod, wherein a sliding rail matched with the first sliding table and the second sliding table is arranged on the installation table, and the adjusting screw rod is installed on the installation table through installation sleeves at two ends; the first sliding table and the second sliding table are respectively in threaded connection with the adjusting screw rod, the threads are opposite, and the adjusting screw rod drives the first sliding table and the second sliding table to move relatively; the first sorting assembly is arranged on the first sliding table, and the second sorting assembly is arranged on the second sliding table; the first arranging assembly comprises a first rotary driving piece and a first arranging piece, the second arranging assembly comprises a second rotary driving piece and a second arranging piece, and the first rotary driving piece and the second rotary driving piece act simultaneously to drive the first arranging piece and the second arranging piece to rotate relatively.

And a rotating surface formed when the first arranging piece and the second arranging piece rotate is perpendicular to a plane where the first sliding table and the second sliding table are located, and the first arranging piece and the second arranging piece rotate relatively.

The first arranging piece and the second arranging piece rotate to form a rotating surface which is parallel to a plane where the first sliding table and the second sliding table are located, and the first arranging piece and the second arranging piece rotate relatively.

Still including adjusting the driving piece, it links to each other with accommodate the lead screw to adjust the driving piece, drives accommodate the lead screw and rotates to drive first slip table and second slip table relative motion.

The first rotary driving part and the second rotary driving part are both rotary cylinders.

The first arranging piece and the second arranging piece are inserted angle plates.

The first arranging piece and the second arranging piece are both bag pulling fingers.

The heat-sealing mechanism comprises a heat-sealing mounting frame, a heat-sealing mounting seat, a heat-sealing assembly, a heat-sealing transmission assembly, a heat-sealing driving assembly and a lifting adjusting assembly, the lifting adjusting assembly is mounted on the heat-sealing mounting frame, the heat-sealing mounting seat is connected with the lifting adjusting assembly, and the lifting adjusting assembly adjusts the relative position between the heat-sealing mounting seat and the heat-sealing mounting frame; the heat-seal driving assembly drives the two heat-seal blocks of the heat-seal assembly to open and close through the heat-seal transmission assembly.

The heat-seal assembly comprises a heat-seal block I, a heat-seal block II, a heat-seal arm I and a heat-seal arm II, wherein the heat-seal block I is arranged at one end of the heat-seal arm I, the heat-seal block II is arranged on the heat-seal arm II, and the heat-seal block I and the heat-seal block II are oppositely arranged; one end of the heat-sealing arm II is hinged to the heat-sealing arm I, and the other end of the heat-sealing arm II is connected with the heat-sealing transmission assembly; the other end of the heat-sealing arm I is connected with the heat-sealing transmission component.

The heat-seal transmission assembly comprises a connecting rod I and a connecting rod II, one end of the connecting rod I is hinged with one end of the heat-seal arm I, the other end of the connecting rod I is hinged with one end of the connecting rod II, and the other end of the connecting rod II is hinged with the heat-seal arm II; and the hinge point of the connecting rod I and the hinge point of the connecting rod II are simultaneously connected with a heat-sealing driving assembly.

The heat-seal driving assembly is a heat-seal driving cylinder.

The heat-seal driving assembly comprises a heat-seal swing arm and a heat-seal driving motor, the heat-seal driving motor is fixed on the heat-seal mounting seat and is connected with the heat-seal swing arm to drive the heat-seal swing arm to swing, and one end of the heat-seal swing arm is connected with the heat-seal transmission assembly.

The lifting adjusting assembly comprises a lifting connecting seat, a lifting adjusting screw rod and a lifting adjusting driving piece, the heat-sealing mounting seat is mounted on the lifting connecting seat, the lifting connecting seat is in threaded fit with the lifting adjusting screw rod, and the lifting adjusting driving piece is connected with the lifting connecting seat.

And a lifting slide rail matched with the lifting connecting seat is arranged on the heat-sealing mounting frame.

The heat-seal mounting seat is hinged to the lifting adjusting assembly, an inclination adjusting rod is mounted on the heat-seal mounting seat and connected with the heat-seal mounting frame, and the inclination of the heat-seal mounting seat relative to the heat-seal mounting frame is adjusted.

Compared with the prior art, the beneficial technical effects brought by the invention are as follows:

1. the sealing device simplifies the structure of the sealing device of the existing bagging machine, has a more compact structure, is miniaturized, occupies a smaller space and can reduce the equipment cost.

2. Compared with the prior art, the sealing device provided by the invention realizes the movement of the packaging bags among the stations by virtue of the packaging bag conveying mechanism with the turntable structure, the movement range of the packaging bags is within the rotation radius range of the packaging bag transmission mechanism, the bag opening arrangement mechanism and the heat sealing mechanism are arranged along the circumference of the packaging bag transmission mechanism, the movement of the packaging bags among the stations is realized by the packaging bag transmission mechanism of the turntable mechanism, and the movement distance is relatively short when each packaging bag moves one station. This makes the closure of the present invention more compact and takes up less space.

3. Compared with the prior art, the sealing device changes the sealing mode, the prior art in the background art is continuous sealing, the conveying direction of the packaging bag is generally required to be changed in the sealing mode, the sealing mode is different from the pushing direction of a material pushing and bag feeding mechanism, the continuous sealing mode is required to arrange the bag opening, clamp the bag opening and seal the bag opening after conveying, and the whole sealing equipment can be laid for a long time. The packaging bag conveying mechanism on the sealing device can immediately finish the bag openings after receiving the packaging bags, or finish the bag openings after rotating and conveying the packaging bags for a certain angle, and the subsequent packaging bags filled with materials can still be continuously conveyed to the packaging bag conveying mechanism with a turntable structure while finishing the bag openings.

4. Compared with an independent end face sealing mechanism, the sealing device can better adapt to the bagging packaging efficiency of the bagging machine. The existing end face sealing mechanism needs to push materials to enter the bag mechanism to push the packaging bag to the end face sealing mechanism and then to seal, on one hand, the bag pushing stroke of pushing the materials to enter the bag can be prolonged, on the other hand, the bag sleeving efficiency can be limited by the sealing efficiency, and the bag sleeving efficiency of the bag sleeving machine cannot be normally exerted. The sealing device provided by the invention carries out rotary conveying through the packaging bag conveying mechanism with the turntable structure, and can be better adapted to the bag sleeving efficiency of a bag sleeving machine.

5. In the invention, the bag mouth clamping mechanism is used for clamping the bag mouth arranged by the bag mouth arranging mechanism, the bag mouth clamping mechanism needs to rotate along with the packaging bag conveying mechanism with the turntable structure, and the bag mouth clamping mechanism can be arranged on each bag receiving station of the packaging bag conveying mechanism, so that the situation that the arranged bag mouth is deformed is effectively prevented. More optimally, the bag mouth clamping mechanism reciprocates between the bag mouth arranging mechanism and the heat sealing mechanism, so that a plurality of groups of bag mouth clamping mechanisms can be saved, the equipment cost is reduced, and the reciprocating bag mouth clamping mechanism can also avoid the bag mouth clamping mechanism from interfering with the sealing mechanism to influence the sealing effect when the packaging bag is sealed.

6. The packaging bag conveying mechanism adopts a turntable structure form, has a simple and compact structure, realizes the movement of the packaging bags among different stations, and is stable in operation. The rotary table is provided with a plurality of bag receiving stations, and the rotary table can continuously receive the packaging bags through rotation of the rotary table, so that the packaging bags are matched with the bagging machine, and the bagging efficiency is improved. The setting of locating plate can be better the location wrapping bag, ensures that the packing seals respond well.

7. The bag mouth clamping mechanism is coaxial with the packaging bag conveying mechanism, and the bag mouth clamping assembly can rotate along with the rotary table through the arrangement of the connecting shaft, can perform bag mouth clamping and loosening actions in an up-and-down reciprocating mode, and can rotate in the direction opposite to the rotary table, so that the bag mouth clamping assembly can reciprocate between the bag mouth arranging mechanism and the heat sealing mechanism. The bag clamping opening mechanism is matched with the packaging bag conveying mechanism, so that the whole structure is more compact and the structure is more simplified.

8. According to the connecting structure of the upper bag opening clamping assembly and the lower bag opening clamping assembly, the relative operation between the upper bag opening clamping plate and the lower bag opening clamping plate can be realized through the transmission action of the bag opening clamping transmission assembly, and the structure operation is stable.

9. According to the invention, the bag clamping assembly is arranged at the lower end of the upper connecting plate, so that the bag clamping mechanism clamps the opening of the packaging bag, and meanwhile, the bag clamping assembly clamps the packaging bag positioned on the turntable, thereby preventing the packaging bag from being displaced in the rotation process of the turntable to influence the sealing effect.

10. The transmission component of the bag clamping opening mechanism has the advantages of compact structure, stable transmission, simple transmission structure and convenient installation and maintenance, and can well realize the relative opening and closing movement between the upper bag clamping opening plate and the lower bag clamping opening plate.

11. The lower end of the connecting shaft is stabilized through the rotary connecting sleeve, so that the stability of the connecting shaft in the movement process is ensured. The support mounting plate of the packaging bag conveying mechanism and the bag clamping opening mounting frame of the bag clamping opening mechanism are connected into a whole, so that the packaging bag conveying mechanism and the bag clamping opening mechanism run relatively stably.

12. The bag mouth arranging mechanism is used for arranging the bag mouths of the packaging bags filled with materials so as to ensure a good sealing effect. Bag mouth arrangement mechanism sets up first slip table, second slip table, first arrangement subassembly and second arrangement subassembly, can correspond the adjustment according to actual need. The bag mouth sealing shapes of the prefabricated bag package are generally divided into a straight-line-shaped sealing and an M-shaped sealing.

13. The bag mouth arranging mechanism can realize the distance adjustment between the first sliding table and the second sliding table, can adapt to the bag mouth arrangement of different specifications on one hand, and can be matched with the linear bag mouth seal on the other hand, can penetrate into the bag mouth and stretch the bag mouth to two sides to be stretched into a linear shape on the other hand.

14. The heat sealing mechanism has a simple structure and sensitive action, can realize up-and-down lifting adjustment so as to adapt to the sealing operation of packaging bags with different packaging sizes, and is convenient to adjust the position so as to ensure a good sealing effect. Meanwhile, the heat sealing mechanism can also realize angle adjustment between the heat sealing mounting seat and the heat sealing mounting frame, so that the sealing effect is further ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the sealing device of the present invention;

fig. 2 is a schematic perspective view of a bagging machine using the sealing device of the present invention;

FIG. 3 is a schematic perspective view of a bag conveying mechanism and a bag clamping mechanism of the sealing device of the present invention;

FIG. 4 is a schematic perspective view of a package conveying mechanism and a bag clamping mechanism of the sealing device according to another angle;

FIG. 5 is a schematic structural view of a bag opening arranging mechanism in the sealing device of the present invention;

FIG. 6 is a schematic view of another structure of a bag opening arranging mechanism in the sealing device of the present invention;

FIG. 7 is a schematic view of the heat-sealing mechanism of the sealing device of the present invention;

reference numerals:

100. the bag opening arranging mechanism comprises a bag opening arranging mechanism 101, an installation table 102, a first sliding table 103, a second sliding table 104, an adjusting screw rod 105, an installation sleeve 106, a first rotary driving piece 107, a first arranging piece 108, a second rotary driving piece 109, a second arranging piece 110 and an adjusting driving motor;

200. the bag clamping mechanism comprises a bag clamping opening mechanism 201, a bag clamping opening mounting frame 202, a connecting shaft 203, an upper bag clamping opening plate 204, an upper connecting plate 205, a lower bag clamping opening plate 206, a lower connecting plate 207, a sliding connecting seat 208, a bag clamping assembly 209, a swing arm 210, a transmission rod I, 211, a transmission rod II, 212, a transmission sliding table I, 213, a transmission sliding table II, 214, a chuck I, 215, a clamping groove I, 216, a chuck II, 217, a clamping groove II, 218, a mounting plate I, 219, a mounting plate II, 220, a rotary connecting sleeve 221, a rotary driving motor 222, a rotary synchronous belt 223 and a rotary synchronous wheel;

300. the packaging bag conveying mechanism comprises a packaging bag conveying mechanism 301, a rotary table 302, a supporting mounting plate 303, a rotary table driving motor 304, a rotary table driving synchronous belt 305, a rotary table driving synchronous wheel 306, a rotary mounting seat 307, a bag receiving station 308 and a positioning plate;

400. heat-seal mechanism, 401, heat-seal mounting bracket, 402, heat-seal mount pad, 403, heat-seal piece I, 404, heat-seal piece II, 405, heat-seal arm I, 406, heat-seal arm II, 407, connecting rod I, 408, connecting rod II, 409, heat-seal swing arm, 410, heat-seal driving motor, 411, lift connecting seat, 412, lift accommodate the lead screw, 413, the inclination is adjusted the pole. 500. A rotary bag opening mechanism.

Detailed Description

The technical scheme of the invention is further elaborated in the following by combining the drawings in the specification. Here, the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to the attached drawing 1 of the specification, the embodiment discloses a sealing device for a bagging machine, which comprises a bag opening arranging mechanism 100, a bag opening clamping mechanism 200, a packaging bag conveying mechanism 300 and a heat sealing mechanism 400, wherein the packaging bag conveying mechanism 300 is of a turntable structure and is used for conveying packaging bags filled with materials in a rotating mode; both the bag mouth arranging mechanism 100 and the heat sealing mechanism 400 are fixedly arranged on the circumferential side of the packaging bag conveying mechanism 300, the bag mouth of the packaging bags on the packaging bag conveying mechanism 300 is arranged by the bag mouth arranging mechanism 100, the bag mouth arranged by the bag mouth arranging mechanism 100 is clamped by the bag mouth clamping mechanism 200 and rotates along with the packaging bag conveying mechanism 300, and the arranged bag mouths are arranged in the heat sealing mechanism 400 for heat sealing. The sealing device realizes the movement of the packaging bags among stations by means of the packaging bag conveying mechanism 300 with a turntable structure, the movement range of the packaging bags is within the range of the rotation radius of the packaging bag transmission mechanism, the bag opening arranging mechanism 100 and the heat sealing mechanism 400 are arranged along the circumference of the packaging bag transmission mechanism, the movement of the packaging bags among stations is realized by the packaging bag transmission mechanism with the turntable 301 mechanism, and the movement distance is relatively short when each packaging bag moves one station. This makes the closure of the present invention more compact and takes up less space.

Referring to fig. 2 of the specification, as an embodiment of the present embodiment, the sealing device of the present embodiment is applied to a bagging machine, and a packaging bag conveying mechanism 300 is arranged behind a rotary bag opening mechanism 500 and used for receiving a packaging bag filled with a material pushed by the rotary bag opening mechanism 500; in this embodiment, the bag mouth arranging mechanism 100 is located between the packaging bag conveying mechanism 300 and the rotary bag opening mechanism, and the arranging piece of the bag mouth arranging mechanism 100 is lower than the conveying plane of the packaging bag when in the initial position, and after the packaging bag is pushed and pushed onto the packaging bag conveying mechanism 300, the bag mouth arranging mechanism 100 acts to arrange the bag mouth.

As another embodiment of this embodiment, the bag mouth arranging mechanism 100 may be provided not on the path along which the packaging bag is pushed to the packaging bag conveying mechanism 300 by the rotational bag-pushing mechanism, but on a rotational path along which the packaging bag conveying mechanism 300 turns to the heat-sealing mechanism 400 after receiving the packaging bag pushed by the rotational bag-pushing mechanism. For example, if the angle of rotation of the bag conveying mechanism 300 is controlled to be 90 degrees every time, the position of the bag received by the bag conveying mechanism 300 from the rotary bag opening mechanism is 12-point direction of the bag conveying mechanism 300, the bag opening arranging mechanism 100 may be installed at 3-point direction of the bag conveying mechanism 300, the heat sealing mechanism 400 may be installed at 6-point direction of the bag conveying mechanism 300, and the 9-point direction of the bag conveying mechanism 300 is an output station of the sealed bag.

Referring to fig. 2 of the specification, the bag mouth arranging mechanism 100 is arranged in the 12-point direction of the packaging bag conveying mechanism 300, the heat sealing mechanism 400 is arranged in the 3-point direction or the 9-point direction of the packaging bag conveying mechanism 300, and the output station of the packaging bag with the sealing completed is arranged in the 6-point direction of the packaging bag conveying mechanism 300.

As another embodiment of this embodiment, referring to fig. 3 and 4 of the specification, the packaging bag conveying mechanism 300 includes a turntable 301, a supporting mounting plate 302, and a turntable driving assembly, wherein the turntable 301 is mounted on the supporting mounting plate 302 through a rotating mounting base 306, and the turntable driving assembly drives the turntable 301 to rotate relative to the supporting mounting plate 302; the turntable 301 is provided with a plurality of bag receiving stations 307 for receiving the packaging bags filled with the materials, the bag bodies of the packaging bags filled with the materials are positioned on the bag receiving stations 307, and the bag openings are positioned outside the bag receiving stations 307. A positioning plate 308 for positioning the packaging bag is arranged on the inner side of the bag receiving station 307.

Furthermore, the turntable driving assembly comprises a turntable driving motor 303, a turntable driving synchronous belt 304 and a turntable driving synchronous wheel 305, the turntable driving synchronous wheel 305 is installed on the rotating shaft between the turntable 301 and the rotary installation base 306, and the turntable driving motor 303 is connected with the turntable driving synchronous belt 304, so as to drive the turntable 301 to rotate. The rotary mounting base 306 is used for fixedly connecting the turntable 301 and the support mounting plate 302, and simultaneously realizes the relative rotation between the turntable 301 and the support mounting plate 302.

As another embodiment of this embodiment, the bag-clamping mechanisms 200 are provided in multiple sets, and multiple sets of bag-clamping mechanisms 200 are distributed in the circumferential direction of the bag-conveying mechanism 300, which may be implemented by a bag-clamping plate and a finger-clamping cylinder, so that the bag-clamping mechanism 200 is fixed at each position of the bag-conveying mechanism 300 for receiving a bag.

As another embodiment of the present embodiment, the bag opening sorting mechanism 200 may be configured to reciprocate between the bag opening sorting mechanism 100 and the heat sealing mechanism 400.

As another embodiment of this embodiment, the operation mode of the bag clamping mechanism 200 may be set to a circular rotation mode, that is, the bag conveying mechanism 300 rotates to the heat sealing mechanism 400, then continues to rotate in the original direction, and then the heat sealing mechanism 400 accelerates to rotate to the bag conveying mechanism 300.

Further, referring to fig. 3 and 4 of the specification, the bag opening clamping mechanism 200 includes a bag opening clamping mounting frame 201, a connecting shaft 202, an upper bag opening clamping assembly, a lower bag opening clamping assembly, a bag opening clamping transmission assembly, a bag opening clamping driving assembly and a rotation driving assembly, wherein the connecting shaft 202 penetrates through the supporting mounting plate 302, the turntable 301 and the rotation mounting base 306; the upper bag clamping port assembly is positioned above the turntable 301, one end of the upper bag clamping port assembly is fixedly connected with the connecting shaft 202, and the other end of the upper bag clamping port assembly extends to the outer circumference of the turntable 301 and extends downwards; the lower bag clamping port assembly is positioned below the rotary disc 301, one end of the lower bag clamping port assembly is connected with the connecting shaft 202, and the other end of the lower bag clamping port assembly extends to the outer circumference of the rotary disc 301 and extends upwards; the upper bag clamping opening component and the lower bag clamping opening component are arranged oppositely; the bag clamping opening driving assembly is arranged on the bag clamping opening mounting frame 201 and drives the upper bag clamping opening assembly and the lower bag clamping opening assembly to move relatively through the bag clamping opening transmission assembly; the rotation driving assembly is connected to the connecting shaft 202 to drive the connecting shaft 202 to rotate.

In this embodiment, through holes for the connection shaft 202 to pass through are provided on the turntable 301, the rotary mounting seat 306 and the support mounting plate 302, so that the connection shaft 202 is coaxial with the turntable 301 and the rotary mounting seat 306, and the rotation axis of the clamping pocket mouth assembly is ensured to be the same as the rotation axis of the turntable 301. So as to ensure the synchronous operation of the bag mouth clamping mechanism 200 and the turntable 301 and prevent the bag mouth from deforming due to dislocation.

Furthermore, the upper bag mouth clamping assembly comprises an upper bag mouth clamping plate 203 and an upper connecting plate 204, the lower bag mouth clamping assembly comprises a lower bag mouth clamping plate 205 and a lower connecting plate 206, one end of the upper connecting plate 204 is fixedly connected with the connecting shaft 202, the other end of the upper connecting plate is fixedly connected with the upper end of the upper bag mouth clamping plate 203, and the lower end of the upper bag mouth clamping plate 203 corresponds to the upper end of the lower bag mouth clamping plate 205; one end of the lower connecting plate 206 is mounted on the connecting shaft 202 through a sliding connecting seat 207, and the other end is connected with the lower end of the lower bag clamping port plate 205; the sliding connection seat 207 moves axially along the connection shaft 202 and rotates with the connection shaft 202.

As another embodiment of this embodiment, referring to fig. 3 and 4 of the specification, the bag clamping assembly 208 is mounted at the lower end of the upper connecting plate 204, the bag clamping assembly 208 is located above the turntable 301, and when the upper connecting plate 204 moves downwards, the bag clamping assembly 208 clamps the packaging bag located on the turntable 301.

As another embodiment of the embodiment, referring to fig. 3 and 4 of the specification, the pocket clamping opening transmission assembly comprises a swing arm 209, a transmission rod i 210, a transmission rod ii 211, a transmission sliding table i 212 and a transmission sliding table ii 213; the swinging arm 209 is mounted on the bag clamping opening mounting rack 201 and swings relative to the bag clamping opening mounting rack 201; one end of the swinging arm 209 is hinged with one end of the transmission rod I210, and the other end of the swinging arm 209 is hinged with one end of the transmission rod II 211; the other end of the transmission rod I210 is hinged with a transmission sliding table I212, and the other end of the transmission rod II 211 is hinged with a transmission sliding table II 213; sliding rails matched with the transmission sliding table I212 and the transmission sliding table II 213 are arranged on the bag clamping opening mounting rack 201; a chuck I214 is fixedly connected to the connecting shaft 202, and a clamping groove I215 matched with the chuck I214 is formed in the transmission sliding table I212; and a chuck II 216 is fixedly arranged on the lower bag opening clamping component, and a clamping groove II 217 matched with the chuck II 216 is arranged on the transmission sliding table II 213.

As a further embodiment of this embodiment, referring to fig. 3 and 4 of the specification, the bag-clamping opening mounting frame 201 comprises a mounting plate i 218 and a mounting plate ii 219, the mounting plate i 218 is vertically mounted on the mounting plate ii 219, the bag-clamping opening transmission assembly and the bag-clamping opening driving assembly are cooperatively mounted on the mounting plate i 218, and the rotary driving assembly is cooperatively mounted on the mounting plate ii 219.

Furthermore, a rotary connecting sleeve 220 is arranged on the mounting plate II 219, the rotary connecting sleeve 220 is installed in a matching manner with the connecting shaft 202, and the connecting shaft 202 axially moves relative to the rotary connecting sleeve 220 and rotates relative to the mounting plate II 219 under the action of the rotary connecting sleeve 220. One end of the supporting mounting plate 302 is connected with the upper end of the mounting plate I218 of the bag clamping opening mounting rack 201.

As another embodiment of this embodiment, the bag-clamping driving assembly may use a bag-clamping driving motor or an air cylinder to drive the swing arm 209 to swing, so as to realize the opening and closing between the upper bag-clamping plate 203 and the lower bag-clamping plate 205.

In another embodiment of this embodiment, the rotation driving assembly includes a rotation driving motor 221, a rotation timing belt 222 and a rotation synchronizing wheel 223, the rotation synchronizing wheel 223 is connected to the connection shaft 202 and is connected to the connection shaft 202, and the rotation driving motor 221 drives the rotation synchronizing wheel 223 to rotate through the rotation timing belt 222, so as to drive the connection shaft 202 to perform a reciprocating rotation motion.

In this embodiment, the connecting shaft 202 rotates and also moves axially, and a ball spline shaft may be selected as the connecting shaft 202.

As another embodiment of this embodiment, the bag mouth arranging mechanism 100 includes an installation table 101, a first sliding table 102, a second sliding table 103, a first arranging assembly, a second arranging assembly, and an adjusting screw 104, a sliding rail matched with the first sliding table 102 and the second sliding table 103 is arranged on the installation table 101, and the adjusting screw 104 is installed on the installation table 101 through installation sleeves 105 at two ends; the first sliding table 102 and the second sliding table 103 are respectively in threaded connection with the adjusting screw rod 104, and the threads are opposite, and the adjusting screw rod 104 drives the first sliding table 102 and the second sliding table 103 to move relatively; the first sorting assembly is arranged on the first sliding table 102, and the second sorting assembly is arranged on the second sliding table 103; the first arranging assembly comprises a first rotary driving part 106 and a first arranging part 107, the second arranging assembly comprises a second rotary driving part 108 and a second arranging part 109, and the first rotary driving part 106 and the second rotary driving part 108 act simultaneously to drive the first arranging part 107 and the second arranging part 109 to rotate relatively.

The bag mouth finishing effect of the bag mouth finishing mechanism 100 is determined according to the sealing requirements of the packaging bags, and is generally divided into a linear sealing and an M-shaped sealing.

If the shape of the seal is a linear shape, the bag mouth of the packaging bag needs to be arranged into a linear shape, namely the bag mouth is stretched from the inside of the bag mouth to the two sides of the bag mouth, so that the bag mouth forms a linear shape, then the heat sealing mechanism 400 seals the seal, and finally the linear seal is formed.

If the sealing shape is 'M-shaped', the bag mouth of the packaging bag needs to be folded inwards, namely, the packaging film with the bag mouth is folded inwards from the outside of the two sides of the packaging bag to the bag mouth of the packaging bag, then the sealing is carried out, and the M-shaped sealing is formed after the sealing.

The mechanical action of the two sealing modes is opposite, the linear mode is that the bag opening is stretched from the inner side to the two sides, and the M mode is that the bag opening is folded from the two sides to the bag opening.

As still another embodiment of the present embodiment, referring to fig. 5 of the specification, a rotation plane formed when the first and

second organizing members

107 and 109 are rotated is perpendicular to a plane on which the first and second sliding tables 102 and 103 are located. The rotating directions of the first arranging piece 107 and the second arranging piece 109 are opposite, namely, the first arranging piece 107 and the second arranging piece 109 rotate inwards, the distance between the first sliding table 102 and the second sliding table 103 is determined according to the width of a bag opening, after the distance between the first sliding table 102 and the second sliding table 103 is determined, the width direction between the first sliding table 102 and the second sliding table 103 is perpendicular to the pushing direction of the packaging bags, the surfaces where the first sliding table 102 and the second sliding table 103 are located are parallel to the pushing surface of the packaging bags, at the moment, the rotating surface formed when the first arranging piece 107 and the second arranging piece 109 rotate is perpendicular to the plane where the first sliding table 102 and the second sliding table 103 are located, and the rotating directions of the first arranging piece 107 and the second arranging piece 109 are opposite, so that the bag openings of the first arranging piece 107 and the second arranging piece 109 are folded inwards from the two outer sides of the bag opening, an M-shaped folding opening is formed, and the M-shaped sealing opening is formed after heat sealing. In this case, the first aligning member 107 and the second aligning member 109 may be corner insertion plates, and since the bag needs to be retracted in the initial state, the corner insertion plates are formed in an L-shape so that a space enough for the bag to pass through is provided between the corner insertion plates in the initial position.

Furthermore, the adjustment driving element is set as a rotating handwheel, when M-shaped folding is performed, the distance between the first sliding table 102 and the second sliding table 103 does not need to be adjusted all the time, and only after the size specification of the packaging bag is adjusted, the distance between the first sliding table 102 and the second sliding table 103 can be manually adjusted.

As another embodiment of this embodiment, referring to fig. 6 of the specification, the first arranging member 107 and the second arranging member 109 are adapted to be used for a straight seal, a rotating plane formed when the first arranging member 107 and the second arranging member 109 rotate is parallel to a plane where the first sliding table 102 and the second sliding table 103 are located, and the rotating directions of the first arranging member 107 and the second arranging member 109 are the same. The fit of the adjustment screw 104 is also required. The width direction between the first sliding table 102 and the second sliding table 103 is vertical to the pushing direction of the packaging bags, the surfaces of the first sliding table 102 and the second sliding table 103 are parallel to the pushing surface of the packaging bags, at the moment, the rotating surfaces formed when the first arranging piece 107 and the second arranging piece 109 rotate are arranged on the planes of the first sliding table 102 and the second sliding table 103 in parallel, which is equivalent to that the rotating surfaces of the first arranging piece 107 and the second arranging piece 109 and the packaging bags are arranged in the same plane, then first arrangement piece 107 and second arrangement piece 109 rotate relatively, rotate back first arrangement piece 107 and second arrangement piece 109 and all insert the wrapping bag sack, then pull open the distance between first slip table 102 and the second slip table 103 by accommodate the lead screw 104 for first arrangement piece 107 and second arrangement piece 109 move to the sack both sides, thereby by in the sack with the sack to both sides tensile, form a style of calligraphy sack, form a style of calligraphy after the heat-seal and seal. In this case, the first and

second collations

107 and 109 are both pull-bag fingers.

Furthermore, in the embodiment, the distance between the first sliding table 102 and the second sliding table 103 needs to be frequently adjusted, and the adjustment screw 104 can be driven by the adjustment driving motor 110, so as to achieve the purpose of quickly adjusting the distance between the first sliding table 102 and the second sliding table 103. Meanwhile, the first sliding table 102 and the second sliding table 103 can be directly driven to move by the air cylinder, and the purpose of quickly adjusting the distance between the first sliding table 102 and the second sliding table 103 can be achieved. The integrated configuration of accommodate the lead screw 104 and adjust driving motor 110 is adopted to this embodiment, is convenient after the adjustment wrapping bag size specification, can be quick make the adaptability adjustment to adjust driving motor 110, if adopt the cylinder, then the adjustment is comparatively difficult, generally need change the cylinder or adjust the interval between the cylinder in order to adapt to the change of wrapping bag size. The adjustment drive motor 110 may be a servo motor.

Furthermore, in the above two embodiments, the first rotary driving element 106 and the second rotary driving element 108 may be implemented by using a rotary cylinder, which saves cost, and may also be implemented by using a motor to drive, which is convenient for adjustment and control.

As another embodiment of this embodiment, referring to fig. 7 in the specification, the heat sealing mechanism 400 includes a heat sealing mounting frame 401, a heat sealing mounting seat 402, a heat sealing assembly, a heat sealing transmission assembly, a heat sealing driving assembly, and a lifting adjustment assembly, where the lifting adjustment assembly is mounted on the heat sealing mounting frame 401, the heat sealing mounting seat 402 is connected to the lifting adjustment assembly, and the lifting adjustment assembly adjusts a relative position between the heat sealing mounting seat 402 and the heat sealing mounting frame 401; heat-seal subassembly and heat-seal drive assembly all install on heat-seal mount pad 402, and heat-seal drive assembly drives two heat-seal pieces of heat-seal subassembly through heat-seal transmission assembly and opens and shuts.

Furthermore, the heat seal assembly comprises a heat seal block I403, a heat seal block II 404, a heat seal arm I405 and a heat seal arm II 406, wherein the heat seal block I403 is arranged at one end of the heat seal arm I405, the heat seal block II 404 is arranged on the heat seal arm II 406, and the heat seal block I403 and the heat seal block II 404 are arranged oppositely; one end of the heat-sealing arm II 406 is hinged to the heat-sealing arm I405, and the other end of the heat-sealing arm II 406 is connected with the heat-sealing transmission assembly; the other end of the heat-seal arm I405 is connected with a heat-seal transmission component.

Furthermore, the heat-sealing transmission assembly comprises a connecting rod I407 and a connecting rod II 408, one end of the connecting rod I407 is hinged with one end of the heat-sealing arm I405, the other end of the connecting rod I407 is hinged with one end of the connecting rod II 408, and the other end of the connecting rod II 408 is hinged with the heat-sealing arm II 406; and the hinge point of the connecting rod I407 and the hinge point of the connecting rod II are simultaneously connected with a heat-sealing driving component.

As another implementation manner of this embodiment, the heat-sealing driving assembly is a heat-sealing driving cylinder.

As still another embodiment of this embodiment, referring to fig. 7 of the specification, the heat-sealing driving assembly includes a heat-sealing swing arm 409 and a heat-sealing driving motor 410, the heat-sealing driving motor 410 is fixed on the heat-sealing mounting base 402 and connected to the heat-sealing swing arm 409 to drive the heat-sealing swing arm 409 to swing, and one end of the heat-sealing swing arm 409 is connected to the heat-sealing transmission assembly.

Further, as shown in fig. 7, the lifting adjustment assembly includes a lifting connection base 411, a lifting adjustment screw 412 and a lifting adjustment driving member, the heat sealing installation base 402 is installed on the lifting connection base 411, the lifting connection base 411 is in threaded fit with the lifting adjustment screw 412, and the lifting adjustment driving member is connected with the lifting connection base 411. The two lifting adjusting screw rods 412 are arranged to ensure the stability of the lifting adjustment of the heat-sealing mounting seat 402, an adjusting hand wheel is arranged below one lifting adjusting screw rod 412, and the two lifting adjusting screw rods 412 are synchronously driven through a chain.

Furthermore, a lifting slide rail matched with the lifting connection seat 411 is arranged on the heat-sealing installation frame 401.

In another embodiment of this embodiment, the heat seal mounting base 402 is hinged to the lifting adjustment assembly, and the heat seal mounting base 402 is mounted with an inclination adjustment rod 413, and the inclination adjustment rod 413 is connected to the heat seal mounting block 401 to adjust the inclination of the heat seal mounting base 402 relative to the heat seal mounting block 401.

Claims

1. Closing device suitable for bagging machine, including sack arrangement mechanism (100), press from both sides pocket mouth mechanism (200), wrapping bag transport mechanism (300) and heat-seal machine construct (400), its characterized in that: the bag mouth arranging mechanism (100) and the heat sealing mechanism (400) are fixedly arranged on the circumferential side of the packaging bag conveying mechanism (300), the bag mouth clamping mechanism (200) clamps the bag mouth arranged by the bag mouth arranging mechanism (100) and rotates along with the packaging bag conveying mechanism (300), and the arranged bag mouth of the packaging bag is placed in the heat sealing mechanism (400) for heat sealing; the bag mouth clamping mechanism (200) reciprocates between the bag mouth arranging mechanism (100) and the heat sealing mechanism (400); the packaging bag conveying mechanism (300) comprises a turntable (301), a supporting mounting plate (302) and a turntable driving assembly, wherein the turntable (301) is mounted on the supporting mounting plate (302) through a rotary mounting seat (306), and the turntable driving assembly drives the turntable (301) to rotate relative to the supporting mounting plate (302); the turntable (301) is provided with a plurality of bag receiving stations (307) for receiving packaging bags filled with materials, bag bodies of the packaging bags filled with the materials are positioned on the bag receiving stations (307), and bag openings are positioned on the outer sides of the bag receiving stations (307); the bag opening clamping mechanism (200) comprises a bag opening clamping mounting frame (201), a connecting shaft (202), an upper bag opening clamping assembly, a lower bag opening clamping assembly, a bag opening clamping transmission assembly, a bag opening clamping driving assembly and a rotary driving assembly, wherein the connecting shaft (202) penetrates through the supporting mounting plate (302), the rotary disc (301) and the rotary mounting seat (306); the upper bag clamping port assembly is positioned above the rotary disc (301), one end of the upper bag clamping port assembly is fixedly connected with the connecting shaft (202), and the other end of the upper bag clamping port assembly extends to the outer circumference of the rotary disc (301) and extends downwards; the lower bag clamping port assembly is positioned below the rotary disc (301), one end of the lower bag clamping port assembly is connected with the connecting shaft (202), and the other end of the lower bag clamping port assembly extends to the outer circumference of the rotary disc (301) and extends upwards; the upper bag clamping opening component and the lower bag clamping opening component are arranged oppositely; the bag clamping opening driving assembly is arranged on the bag clamping opening mounting frame (201) and drives the upper bag clamping opening assembly and the lower bag clamping opening assembly to move relatively through the bag clamping opening transmission assembly; the rotary driving component is connected with the connecting shaft (202) and drives the connecting shaft (202) to do rotary motion; the upper bag mouth clamping assembly comprises an upper bag mouth clamping plate (203) and an upper connecting plate (204), the lower bag mouth clamping assembly comprises a lower bag mouth clamping plate (205) and a lower connecting plate (206), one end of the upper connecting plate (204) is fixedly connected with the connecting shaft (202), the other end of the upper connecting plate is fixedly connected with the upper end of the upper bag mouth clamping plate (203), and the lower end of the upper bag mouth clamping plate (203) corresponds to the upper end of the lower bag mouth clamping plate (205); one end of the lower connecting plate (206) is arranged on the connecting shaft (202) through a sliding connecting seat (207), and the other end is connected with the lower end of the lower bag clamping port plate (205); the sliding connection seat (207) moves axially along the connecting shaft (202) and rotates along with the connecting shaft (202).

2. A closure suitable for use with a bag set as claimed in claim 1, wherein: and a positioning plate (308) for positioning the packaging bag is arranged on the inner side of the bag receiving station (307).

3. A closure suitable for use with a bag set as claimed in claim 1, wherein: bag clamping components (208) are installed at the lower end of the upper connecting plate (204), the bag clamping components (208) are located above the rotary plate (301), and when the upper connecting plate (204) moves downwards, the bag clamping components (208) clamp the packaging bags located on the rotary plate (301).

4. A closure suitable for use with a bag machine according to any one of claims 1 to 3, wherein: the bag clamping opening transmission assembly comprises a swing arm (209), a transmission rod I (210), a transmission rod II (211), a transmission sliding table I (212) and a transmission sliding table II (213); the swing arm (209) is arranged on the bag clamping opening mounting rack (201) and swings relative to the bag clamping opening mounting rack (201); one end of the swing arm (209) is hinged with one end of the transmission rod I (210), and the other end of the swing arm (209) is hinged with one end of the transmission rod II (211); the other end of the transmission rod I (210) is hinged with the transmission sliding table I (212), and the other end of the transmission rod II (211) is hinged with the transmission sliding table II (213); sliding rails matched with the transmission sliding table I (212) and the transmission sliding table II (213) are arranged on the bag clamping opening mounting rack (201); a chuck I (214) is fixedly connected to the connecting shaft (202), and a clamping groove I (215) matched with the chuck I (214) is formed in the transmission sliding table I (212); and a chuck II (216) is fixedly arranged on the lower bag opening clamping component, and a clamping groove II (217) matched with the chuck II (216) is arranged on the transmission sliding table II (213).

5. A closure suitable for use with a bag machine according to any one of claims 1 to 3, wherein: press from both sides sack mounting bracket (201) including mounting panel I (218) and mounting panel II (219), mounting panel I (218) are installed on mounting panel II (219) perpendicularly, press from both sides sack transmission assembly and press from both sides the cooperation of sack drive assembly and install on mounting panel I (218), the cooperation of gyration drive assembly is installed on mounting panel II (219).

6. A closure suitable for use with a bag set as claimed in claim 5, wherein: be provided with gyration adapter sleeve (220) on mounting panel II (219), gyration adapter sleeve (220) and connecting axle (202) cooperation installation, connecting axle (202) gyration adapter sleeve (220) axial motion relatively, and relative mounting panel II (219) rotate under the effect of gyration adapter sleeve (220).

7. A closure suitable for use with a bagging machine according to claim 5, wherein: one end of the supporting mounting plate (302) is connected with the upper end of the mounting plate I (218) of the bag clamping opening mounting frame (201).

8. A closure suitable for use with a bagging machine according to claim 1, wherein: the bag opening arranging mechanism (100) comprises an installation table (101), a first sliding table (102), a second sliding table (103), a first arranging assembly, a second arranging assembly and an adjusting screw rod (104), wherein a sliding rail matched with the first sliding table (102) and the second sliding table (103) is arranged on the installation table (101), and the adjusting screw rod (104) is installed on the installation table (101) through installation sleeves (105) at two ends; the first sliding table (102) and the second sliding table (103) are respectively in threaded connection with the adjusting screw rod (104), the threads are opposite, and the adjusting screw rod (104) drives the first sliding table (102) and the second sliding table (103) to move relatively; the first sorting assembly is arranged on a first sliding table (102), and the second sorting assembly is arranged on a second sliding table (103); the first arranging assembly comprises a first rotary driving piece (106) and a first arranging piece (107), the second arranging assembly comprises a second rotary driving piece (108) and a second arranging piece (109), and the first rotary driving piece (106) and the second rotary driving piece (108) act simultaneously to drive the first arranging piece (107) and the second arranging piece (109) to rotate relatively.

9. A closure suitable for use with a bag set as claimed in claim 8, wherein: and a rotating surface formed when the first arranging piece (107) and the second arranging piece (109) rotate is vertical to a plane where the first sliding table (102) and the second sliding table (103) are positioned, and the first arranging piece (107) and the second arranging piece (109) rotate relatively.

10. A closure suitable for use with a bagging machine according to claim 8, wherein: when the first arranging piece (107) and the second arranging piece (109) rotate, a rotating surface formed is parallel to a plane where the first sliding table (102) and the second sliding table (103) are located, and the first arranging piece (107) and the second arranging piece (109) rotate relatively.

11. A closure apparatus suitable for use with a bag machine according to any one of claims 8 to 10, wherein: the adjusting and driving device is connected with the adjusting screw rod (104) and drives the adjusting screw rod (104) to rotate, so that the first sliding table (102) and the second sliding table (103) are driven to move relatively.

12. A closure apparatus suitable for use with a bag machine according to any one of claims 8 to 10, wherein: the first rotary drive member (106) and the second rotary drive member (108) are both rotary cylinders.

13. A closure apparatus suitable for a bag machine according to claim 8 or 9, wherein: the first arranging piece (107) and the second arranging piece (109) are inserted angle plates.

14. A closure suitable for use with a bag set as claimed in claim 1, wherein: the heat sealing mechanism (400) comprises a heat sealing mounting frame (401), a heat sealing mounting seat (402), a heat sealing assembly, a heat sealing transmission assembly, a heat sealing driving assembly and a lifting adjusting assembly, wherein the lifting adjusting assembly is mounted on the heat sealing mounting frame (401), the heat sealing mounting seat (402) is connected with the lifting adjusting assembly, and the lifting adjusting assembly adjusts the relative position between the heat sealing mounting seat (402) and the heat sealing mounting frame (401); heat-seal subassembly and heat-seal drive assembly all install on heat-seal mount pad (402), and heat-seal drive assembly drives two heat-seal pieces of heat-seal subassembly through heat-seal transmission component and opens and shuts.

15. A closure suitable for use with a bagging machine according to claim 14, wherein: the heat-seal assembly comprises a heat-seal block I (403), a heat-seal block II (404), a heat-seal arm I (405) and a heat-seal arm II (406), wherein the heat-seal block I (403) is arranged at one end of the heat-seal arm I (405), the heat-seal block II (404) is arranged on the heat-seal arm II (406), and the heat-seal block I (403) and the heat-seal block II (404) are oppositely arranged; one end of the heat-sealing arm II (406) is hinged to the heat-sealing arm I (405), and the other end of the heat-sealing arm II (406) is connected with the heat-sealing transmission assembly; the other end of the heat-sealing arm I (405) is connected with a heat-sealing transmission component.

16. A closure suitable for use with a bag machine according to claim 14 or 15, wherein: the heat-sealing transmission assembly comprises a connecting rod I (407) and a connecting rod II (408), one end of the connecting rod I (407) is hinged with one end of the heat-sealing arm I (405), the other end of the connecting rod I (407) is hinged with one end of the connecting rod II (408), and the other end of the connecting rod II (408) is hinged with the heat-sealing arm II (406); and the hinge point of the connecting rod I (407) and the connecting rod II is simultaneously connected with a heat sealing driving assembly.

17. A closure suitable for use with a bag machine according to claim 14 or 15, wherein: the heat-seal driving assembly comprises a heat-seal swing arm (409) and a heat-seal driving motor (410), the heat-seal driving motor (410) is fixed on the heat-seal mounting seat (402) and is connected with the heat-seal swing arm (409) to drive the heat-seal swing arm (409) to swing, and one end of the heat-seal swing arm (409) is connected with the heat-seal transmission assembly.

18. A closure suitable for use with a bag machine according to claim 14 or 15, wherein: the lifting adjusting assembly comprises a lifting connecting seat (411), a lifting adjusting screw rod (412) and a lifting adjusting driving piece, the heat-sealing mounting seat (402) is mounted on the lifting connecting seat (411), the lifting connecting seat (411) is in threaded fit with the lifting adjusting screw rod (412), and the lifting adjusting driving piece is connected with the lifting connecting seat (411).

19. A closure suitable for use with a bag machine according to claim 14 or 15, wherein: the heat-seal mounting seat (402) is hinged to the lifting adjusting assembly, an inclination adjusting rod (413) is mounted on the heat-seal mounting seat (402), the inclination adjusting rod (413) is connected with the heat-seal mounting frame (401), and the inclination of the heat-seal mounting seat (402) relative to the heat-seal mounting frame (401) is adjusted.