CN216468845U

CN216468845U - Dual-drive bag opening and conveying mechanism

Info

Publication number: CN216468845U
Application number: CN202122501418.9U
Authority: CN
Inventors: 彭先锋; 吕子恒; 吕庆; 许杰
Original assignee: Anqing Hengchang Machinery Co Ltd
Current assignee: Anqing Hengchang Machinery Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-10
Anticipated expiration: 2031-10-18

Abstract

The utility model particularly relates to a dual-drive bag opening and conveying mechanism which comprises a bag opening structure and a conveying structure, wherein the bag opening structure comprises a first belt transmission assembly, a bottom plate, an upper driven wheel, a lower driven wheel, an upper bag opening assembly and a lower bag opening assembly; the upper bag component and the lower bag component have the same structure and respectively comprise a rotating shaft, a first connecting rod, a second connecting rod, a third connecting rod and a suction nozzle, the rotating shaft is connected with the bottom plate in a switching way, the first connecting rod, the suction nozzle, the second connecting rod, the third connecting rod and the bottom plate are connected in a switching way in sequence, the first connecting rod is fixedly connected with the rotating shaft, and the suction ends of the suction nozzles of the upper bag component and the lower bag component are oppositely arranged; the upper driven wheel is fixedly arranged on a rotating shaft of the upper bag component, the lower driven wheel is fixedly arranged on a rotating shaft of the lower bag component, the upper driven wheel and the lower driven wheel are respectively positioned on two sides of a transmission belt of the first belt transmission component and are opposite in rotation direction, and suction nozzles of the upper bag component and the lower bag component are always positioned in the same direction.

Description

Dual-drive bag opening and conveying mechanism

Technical Field

The utility model belongs to the technical field of bag opening equipment of packaging bags, and particularly relates to a dual-drive bag opening and conveying mechanism.

Background

During the packaging process of the hygienic product, the completion condition of the bag opening link is directly related to the completion efficiency of the whole packaging process. At the present stage, a packaging bag mouth opening mechanism in disposable hygienic product packaging equipment on the market is mainly characterized in that the tail ends of two bag mouth opening suction nozzle rotating shafts are connected with a crank connecting rod mechanism, a sliding block of the crank connecting rod mechanism slides in a set sliding way, and the opening and closing of the bag mouth opening suction nozzles in the back-and-forth running process are achieved through the change of the track of the sliding way.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dual-drive bag opening and conveying mechanism, which aims to solve the problems that a packaging bag opening mechanism in the prior art is small in application range and easy to damage.

In order to solve the technical problems, the technical scheme adopted by the utility model is that the dual-drive bag opening and conveying mechanism comprises a bag opening structure and a conveying structure, wherein the bag opening structure comprises a first belt transmission assembly, a bottom plate, an upper driven wheel, a lower driven wheel, an upper bag opening assembly and a lower bag opening assembly, and the conveying structure is used for driving the bottom plate to move along the conveying direction of the packaging bags; the upper bag component and the lower bag component are identical in structure and respectively comprise a rotating shaft, a first connecting rod, a second connecting rod, a third connecting rod and a suction nozzle, the rotating shaft is rotatably connected with the bottom plate, the first connecting rod, the suction nozzle, the second connecting rod, the third connecting rod and the bottom plate are sequentially and rotatably connected, one end of the first connecting rod, which is far away from the suction nozzle, is fixedly connected with the rotating shaft, and the suction ends of the suction nozzles of the upper bag component and the lower bag component are oppositely arranged; the upper driven wheel is fixedly arranged on a rotating shaft of the upper bag opening assembly, the lower driven wheel is fixedly arranged on a rotating shaft of the lower bag opening assembly, the upper driven wheel and the lower driven wheel are respectively positioned on two sides of a transmission belt of the first belt transmission assembly, the upper driven wheel and the lower driven wheel are opposite in rotation direction, and suction nozzles of the upper bag opening assembly and the lower bag opening assembly are always in the same direction.

Preferably, the first belt transmission assembly comprises a first driving wheel, a first driven wheel and a first tensioning wheel, the driving belt is meshed with the first driving wheel, the first tensioning wheel and the first driven wheel in sequence, and the first driving wheel is driven by a first motor to rotate. The driving belt is driven to rotate positively and negatively through the first motor and the first belt transmission assembly to adjust the opening and closing of the suction nozzles of the upper bag opening assembly and the lower bag opening assembly and the size of the opening interval, so that the transmission is stable and reliable, and the control is more convenient and faster.

Preferably, the conveying structure comprises a second driving wheel, a second tensioning wheel and a conveying belt, the conveying belt is meshed with the second driving wheel and the second tensioning wheel in sequence, the second driving wheel is driven by a second motor to rotate, and the conveying belt is fixedly connected with the bottom plate. The second motor and the conveying structure drive the conveying belt to move in a reciprocating mode, the conveying belt drives the bottom plate to move along the conveying direction to be treated of the packaging bag, the bottom plate is stable and reliable to move, and the control is more convenient.

Preferably, negative pressure pipelines which are communicated with each other are arranged in the rotating shaft, the first connecting rod and the suction nozzle, an adsorption hole is arranged at the adsorption end of the suction nozzle, and the adsorption hole is communicated with the negative pressure pipelines. The negative pressure pipeline of the air source enters from the transmission side, so that the peripheral space is saved, and the layout is more reasonable.

Furthermore, the connecting point of the first connecting rod and the rotating shaft is marked as a point A, the superposition of the connecting point of the first connecting rod and the suction nozzle and the connecting point of the second connecting rod and the suction nozzle is marked as a point B, the connecting point of the second connecting rod and the third connecting rod is marked as a point C, the connecting point of the third connecting rod and the bottom plate is marked as a point D, and connecting lines of the point A, the point B, the point C and the point D form a parallelogram. The structural design of the bag component capable of being opened upwards and the bag component capable of being opened downwards is facilitated, the suction ends of the suction nozzles of the bag component capable of being opened upwards and the bag component capable of being opened downwards are always in the same direction, and the reliability and the stability of the bag component capable of being opened upwards and the bag component capable of being opened downwards in a matched mode are guaranteed.

Furthermore, the suction nozzles of the upper bag component and the lower bag component are opened and closed in the vertical direction, and the suction ends of the suction nozzles of the upper bag component and the lower bag component are always in the horizontal direction. The material is supplied steadily and reliably along the horizontal direction to the wrapping bag, is convenient for open the bag with the suction nozzle cooperation of the bag subassembly of opening next.

Furthermore, the rotating shaft is rotatably connected with the bottom plate through a first bearing, and the first connecting rod is rotatably connected with the suction nozzle through a second bearing. The first bearing ensures the reliability and stability of the rotation of the rotating shaft; the second bearing ensures the reliability and stability of the rotation of the suction nozzle.

Has the advantages that: according to the dual-drive bag opening and conveying mechanism, the transmission belt rotates to drive the rotating shafts of the upper bag component and the lower bag component to rotate simultaneously, the upper driven wheel and the lower driven wheel are respectively positioned on two sides of the transmission belt, the rotating directions of the upper driven wheel and the lower driven wheel are opposite, namely the rotating shafts of the upper bag component and the lower bag component are opposite, the rotating shafts drive the suction nozzles to move along the vertical direction through the first connecting rod, the second connecting rod and the third connecting rod, the suction nozzle ends are always positioned in the same direction, the opening and closing of the suction nozzles of the upper bag component and the lower bag component are controlled through the forward and reverse rotation of the first motor, the opening distance of the suction nozzles of the upper bag component and the lower bag component is controlled by setting the rotation amount of the first motor, the control is more convenient and fast, the application range is wider, the belt transmission is stable and reliable, the maintenance time is reduced, and the investment cost is reduced; the negative pressure pipeline of the air source enters from the transmission side, so that the peripheral space is saved, and the layout is more reasonable; the conveying structure drives the bottom plate to move along the direction to be conveyed of the packaging bag, the movement of the bottom plate is stable and reliable, and the control is more convenient; the bag opening structure and the conveying structure are simple and ingenious in matching, and the bag opening operation and the conveying operation are completed simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a dual drive pocket opening and conveying mechanism of the present invention, wherein the upper and lower pocket assemblies are not shown;

FIG. 2 is a schematic diagram of an upper bag opening assembly and a lower bag opening assembly of the dual drive bag opening and conveying mechanism of the present invention;

FIG. 3 is a schematic side view of the bag-up assembly of the dual drive bag opening and transfer mechanism of the present invention;

FIG. 4 is a schematic diagram of a bag opening step of an upper bag opening assembly and a lower bag opening assembly of the dual-drive bag opening and conveying mechanism of the present invention;

in the figure: 1. a conveying structure, 11, a second driving wheel, 12, a second tensioning wheel, 13, a conveying belt, 2, a bag opening structure, 21, a first belt transmission component, 211, a conveying belt, 212, a first driving wheel, 213, a first driven wheel, 214, a first tensioning wheel, 22, a bottom plate, 23, an upper driven wheel, 24, a lower driven wheel, 25, a bag opening component, 26, a bag opening component, 261, a rotating shaft, 262, a first connecting rod, 263, a second connecting rod, 264, a third connecting rod, 265, a suction nozzle, 2651, a suction end, 266, a negative pressure pipeline, 267, a first bearing, 268 and a second bearing; the connecting point of the first connecting rod and the rotating shaft is marked as a point A, the superposition of the connecting point of the first connecting rod and the suction nozzle and the connecting point of the second connecting rod and the suction nozzle is marked as a point B, the connecting point of the second connecting rod and the third connecting rod is marked as a point C, and the connecting point of the third connecting rod and the bottom plate is marked as a point D.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, a dual-drive bag opening and conveying mechanism comprises a bag opening structure 2 and a conveying structure 1, wherein the bag opening structure 2 comprises a first belt transmission assembly 21, a bottom plate 22, an upper driven wheel 23, a lower driven wheel 24, an upper bag opening assembly 25 and a lower bag opening assembly 26, and the conveying structure 1 is used for driving the bottom plate 22 to move along the conveying direction of a packaging bag; the upper bag assembly 25 and the lower bag assembly 26 have the same structure, and each include a rotating shaft 261, a first connecting rod 262, a second connecting rod 263, a third connecting rod 264 and a suction nozzle 265, the rotating shaft 261 is rotatably connected with the base plate 22, the rotating shaft 261 and the base plate 22 of this embodiment are rotatably connected through a first bearing 267, the first connecting rod 262, the suction nozzle 265, the second connecting rod 263, the third connecting rod 264 and the base plate 22 are sequentially rotatably connected, the first connecting rod 262 and the suction nozzle 265 of this embodiment are rotatably connected through a second bearing 268, one end of the first connecting rod 262 far away from the suction nozzle 265 is fixedly connected with the rotating shaft 261, and suction ends 2651 of the suction nozzles 265 of the upper bag assembly 25 and the lower bag assembly 26 are oppositely arranged; the upper driven wheel 23 is fixedly arranged on a rotating shaft 261 of the upper bag opening assembly 25, the lower driven wheel 24 is fixedly arranged on the rotating shaft 261 of the lower bag opening assembly 26, the upper driven wheel 23 and the lower driven wheel 24 are respectively positioned on two sides of a transmission belt 211 of the first belt transmission assembly 21, the rotation directions of the upper driven wheel 23 and the lower driven wheel 24 are opposite, and suction nozzles 265 of the upper bag opening assembly 25 and the lower bag opening assembly 26 are always in the same direction.

In order to open and close the suction nozzles 265 of the upper bag assembly 25 and the lower bag assembly 26 smoothly and reliably, and to facilitate control, in this embodiment, as shown in fig. 1, the first belt transmission assembly 21 includes a first driving wheel 212, a first driven wheel 213, and a first tensioning wheel 214, the belt 211 is engaged with the first driving wheel 212, the first tensioning wheel 214, and the first driven wheel 213 in turn, and the first driving wheel 212 is driven to rotate by a first motor; as shown in fig. 2, a connection point of the first link 262 and the rotation shaft 261 is denoted as a point a, a connection point of the first link 262 and the suction nozzle 265 coincides with a connection point of the second link 263 and the suction nozzle 265 and is denoted as a point B, a connection point of the second link 263 and the third link 264 is denoted as a point C, a connection point of the third link 264 and the base plate 22 is denoted as a point D, and connection lines of the point a, the point B, the point C and the point D form a parallelogram; the suction nozzles 265 of the upper bag component 25 and the lower bag component 26 are opened and closed in the vertical direction, the suction ends 2651 of the suction nozzles 265 of the upper bag component 25 and the lower bag component 26 are always in the horizontal direction, and when the packaging bags are fed along the horizontal direction, the suction nozzles 265 of the upper bag component 25 and the lower bag component 26 are matched to open the bags.

In order to ensure a more stable and reliable conveying of the packaging bags, in the present embodiment, as shown in fig. 1, the conveying structure 1 includes a second driving wheel 11, a second tensioning wheel 12 and a conveying belt 13, the conveying belt 13 is engaged with the second driving wheel 11 and the second tensioning wheel 12 in turn, the second driving wheel 11 is driven by a second motor to rotate, and the conveying belt 13 is fixedly connected with the bottom plate 22.

In order to save the peripheral space and make the layout more reasonable, in this embodiment, as shown in fig. 3, negative pressure pipelines 266 are disposed in the rotating shaft 261, the first link 262 and the suction nozzle 265, and a suction end 2651 of the suction nozzle 265 is disposed with a suction hole, which is communicated with the negative pressure pipeline 266.

As shown in fig. 1 and 4, the working principle is as follows:

step one, opening a bag opening of a closed packaging bag, specifically as follows:

firstly, the first motor drives the transmission belt 211 to rotate through the first driving wheel 212, the first tensioning wheel 214 and the first driven wheel 213, the transmission belt 211 simultaneously drives the rotating shafts 261 of the upper bag component 25 and the lower bag component 26 to rotate, because the upper driven wheel 23 and the lower driven wheel 24 are respectively positioned at two sides of the transmission belt 211, the rotating directions of the upper driven wheel 23 and the lower driven wheel 24 are opposite, namely the rotating directions of the rotating shafts 261 of the upper bag component 25 and the lower bag component 26 are opposite, the rotating shafts 261 drive the suction nozzles 265 to move along the vertical direction through the first connecting rod 262, the second connecting rod 263 and the third connecting rod 264, the suction ends 2651 of the suction nozzles 265 are always in the horizontal direction, the opening and closing of the suction nozzles 265 of the upper bag component 25 and the lower bag component 26 are controlled through the forward and reverse rotation of the first motor, the size of the spacing between the suction nozzles 265 of the upper bag component 25 and the lower bag component 26 is controlled through setting the rotating amount of the first motor, the suction ends 2651 of the suction nozzles 265 of the upper bag assembly 25 and the lower bag assembly 26 respectively suck the opening mouths at two sides of the mouth;

and secondly, conveying the packaging bag with the opened bag opening to a set position, wherein the method comprises the following specific steps:

the second motor drives the conveyer belt 13 to rotate through the second driving wheel 11 and the second tensioning wheel 12, and the conveyer belt 13 simultaneously drives the bottom plate 22 to move to a set position along the conveying direction of the packaging bags, wherein the bag mouths of the packaging bags are kept in an open state.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a dual drive sack is opened and conveying mechanism which characterized in that: the bag opening mechanism comprises a bag opening structure (2) and a conveying structure (1), wherein the bag opening structure (2) comprises a first belt transmission assembly (21), a bottom plate (22), an upper driven wheel (23), a lower driven wheel (24), an upper bag opening assembly (25) and a lower bag opening assembly (26), and the conveying structure (1) is used for driving the bottom plate (22) to move along the conveying direction of a packaging bag to be conveyed; the upper bag component (25) and the lower bag component (26) are identical in structure and respectively comprise a rotating shaft (261), a first connecting rod (262), a second connecting rod (263), a third connecting rod (264) and a suction nozzle (265), the rotating shaft (261) is rotatably connected with the bottom plate (22), the first connecting rod (262), the suction nozzle (265), the second connecting rod (263), the third connecting rod (264) and the bottom plate (22) are sequentially rotatably connected, one end, far away from the suction nozzle (265), of the first connecting rod (262) is fixedly connected with the rotating shaft (261), and suction ends (2651) of the suction nozzles (265) of the upper bag component (25) and the lower bag component (26) are oppositely arranged; the upper driven wheel (23) is fixedly arranged on a rotating shaft (261) of the upper bag opening assembly (25), the lower driven wheel (24) is fixedly arranged on the rotating shaft (261) of the lower bag opening assembly (26), the upper driven wheel (23) and the lower driven wheel (24) are respectively positioned on two sides of a transmission belt (211) of the first belt transmission assembly (21), the upper driven wheel (23) and the lower driven wheel (24) are opposite in rotation direction, and suction nozzles (265) of the upper bag opening assembly (25) and the lower bag opening assembly (26) are always positioned in the same direction.

2. The dual-drive bag opening and conveying mechanism according to claim 1, characterized in that: the first belt transmission assembly (21) comprises a first driving wheel (212), a first driven wheel (213) and a first tensioning wheel (214), the driving belt (211) is meshed with the first driving wheel (212), the first tensioning wheel (214) and the first driven wheel (213) in sequence, and the first driving wheel (212) is driven to rotate by a first motor.

3. The dual-drive bag opening and conveying mechanism according to claim 2, characterized in that: the conveying structure (1) comprises a second driving wheel (11), a second tensioning wheel (12) and a conveying belt (13), the conveying belt (13) is sequentially meshed with the second driving wheel (11) and the second tensioning wheel (12), the second driving wheel (11) is driven by a second motor to rotate, and the conveying belt (13) is fixedly connected with a bottom plate (22).

4. A dual drive pocket opening and transfer mechanism as defined in claim 1, 2 or 3, wherein: negative pressure pipelines (266) which are communicated with each other are arranged in the rotating shaft (261), the first connecting rod (262) and the suction nozzle (265), an adsorption hole is arranged at an adsorption end (2651) of the suction nozzle (265), and the adsorption hole is communicated with the negative pressure pipelines (266).

5. The dual-drive bag opening and conveying mechanism according to claim 1, characterized in that: the connecting point of the first connecting rod (262) and the rotating shaft (261) is marked as a point A, the connecting point of the first connecting rod (262) and the suction nozzle (265) is superposed with the connecting point of the second connecting rod (263) and the suction nozzle (265) and is marked as a point B, the connecting point of the second connecting rod (263) and the third connecting rod (264) is marked as a point C, the connecting point of the third connecting rod (264) and the bottom plate (22) is marked as a point D, and connecting lines of the point A, the point B, the point C and the point D form a parallelogram.

6. The dual-drive bag opening and conveying mechanism according to claim 1 or 5, characterized in that: the suction nozzles (265) of the upper bag component (25) and the lower bag component (26) are opened and closed in the vertical direction, and the suction ends (2651) of the suction nozzles (265) of the upper bag component (25) and the lower bag component (26) are always in the horizontal direction.

7. The dual-drive bag opening and conveying mechanism according to claim 1, characterized in that: the rotating shaft (261) is rotatably connected with the bottom plate (22) through a first bearing (267), and the first connecting rod (262) is rotatably connected with the suction nozzle (265) through a second bearing (268).