CN113148316A

CN113148316A - Connecting rod pre-opening zipper bag mechanism and automatic packaging production line

Info

Publication number: CN113148316A
Application number: CN202110381346.0A
Authority: CN
Inventors: 朱广平; 费岳湘; 李松涛
Original assignee: Hunan Dongxiang Intelligent Equipment Co ltd
Current assignee: Hunan Dongxiang Intelligent Equipment Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-23

Abstract

The invention discloses a connecting rod pre-opening zipper bag mechanism, which comprises: the lifting drive unit and the bag opening unit, the lifting drive unit comprises a first drive assembly, the output end of the first drive assembly is connected with the bag opening unit, the bag opening unit is driven by the first drive assembly to move to a preset bag opening position, the bag opening unit comprises a second drive assembly, a connecting rod assembly and a sucker assembly, the output end of the second drive assembly is connected with the connecting rod assembly, the sucker assembly is used for opening the bag opening on the zipper of the packaging bag, the second drive assembly drives the connecting rod assembly to open the zipper of the packaging bag, and the packaging bag is opened in advance. The connecting rod pre-zipper bag opening mechanism has the advantages of compact structure, accurate action, high stability, high bag opening efficiency, wide application range and the like. The invention also discloses an automatic packaging production line comprising the connecting rod pre-opening zipper bag mechanism, so that the automatic bagging effect of materials is improved, and the labor and the production cost are saved.

Description

Connecting rod pre-opening zipper bag mechanism and automatic packaging production line

Technical Field

The invention belongs to the technical field of material packaging, and particularly relates to a connecting rod pre-opening zipper bag mechanism and an automatic packaging production line comprising the same.

Background

With the rapid development of the industries such as food, medicine and the like, the product packaging tends to be more and more standardized, and the automation degree is greatly improved. And finished products in all industries such as food, medicines and the like are mostly packaged by plastic packaging bags, and along with the continuous change of market demands, more and more packaging bags adopt zipper bags with zippers, so that the filling difficulty of the finished products is also improved. The existing pre-opening zipper bag equipment is mainly characterized in that a cylinder drives a sheet to be inserted into a packaging bag, and then the cylinder drives the sheet to be pulled outwards, so that pre-opening of the zipper bag is realized. The method has the following defects that: the design and manufacturing cost is high, and the production cost of enterprises is greatly increased; when the sheets are inserted into the zipper bags, the zipper bags are easy to damage, the appearance of the zipper bags is affected, unqualified finished products are produced, the stability of the pre-opened bags is low, and the packaging bag is not suitable for all packaging industries.

In addition, in the existing connecting rod bag pre-opening mechanism, the upper and lower air cylinders are firstly required to drive the bag opening clamp to move and insert into the bag opening of the packaging bag, then the two groups of pressing air cylinders are used for respectively driving the two pressing blocks to act, so that the pressing blocks and the bag opening clamp are matched to respectively clamp the bag opening wall, finally the bag opening air cylinders are used for driving the connecting rods to act, the two connecting rods respectively drive one bag opening clamp to move, the two bag opening clamps are separated, and the bag opening of the self-sealing bag is opened. Whole bag process of opening needs 4 to drive actuating cylinder and cooperates different functional part respectively, and the cylinder action is many, the action precision is difficult to guarantee, consuming time high, inefficiency, sets up a plurality of cylinder components moreover, has also increased the manufacturing cost of equipment to a certain extent.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a connecting rod pre-opening zipper bag mechanism which is compact in structure, accurate in action, high in stability, high in bag opening efficiency and wide in application range and an automatic packaging production line.

In order to solve the technical problems, the invention adopts the following technical scheme:

a link pre-zippered bag mechanism comprising: the lift drive unit with open the bag unit, the lift drive unit includes first drive assembly, first drive assembly's output with open the bag unit and be connected, first drive assembly drive open the bag unit and remove to the predetermined bag position of opening, it includes second drive assembly, link assembly and sucking disc subassembly to open the bag unit, second drive assembly's output and link assembly are connected, sucking disc subassembly is used for opening the sack on wrapping bag zip fastener upper portion, second drive assembly drive link assembly opens the zip fastener of wrapping bag, and the opening in advance of the wrapping bag is accomplished.

As a further improvement of the present invention, the bag opening unit further includes a second mounting plate, the second driving assembly and the connecting rod assembly are both disposed on the second mounting plate, and the second mounting plate is connected to the output end of the first driving assembly.

As a further improvement of the invention, the second driving assembly is arranged at the top of the second mounting plate, the two groups of connecting rod assemblies are symmetrically arranged at two sides of the second mounting plate, and the two groups of connecting rod assemblies open the zipper of the packaging bag under the driving of the second driving assembly.

As a further improvement of the present invention, the connecting rod assembly includes a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the third connecting rod is hinged to the output end of the second driving assembly, the lower end of the third connecting rod is hinged to the upper end of the second connecting rod, the lower end of the second connecting rod is hinged to the lower end of the first connecting rod, the lower end of the second connecting rod and the lower end of the first connecting rod together form a clamping jaw for clamping the packaging bag, and the upper end of the first connecting rod is hinged to the second mounting plate.

As a further improvement of the invention, connecting seats are symmetrically arranged on two sides of the second mounting plate, and the upper end of the first connecting rod is connected with the connecting seats through extension springs.

As a further improvement of the invention, the lifting drive unit further comprises a first mounting plate, the first drive assembly is mounted on the top of the first mounting plate, and the first mounting plate is connected with the second mounting plate in a sliding manner.

As a further improvement of the present invention, the first mounting plate is provided with a slide rail, the second mounting plate is provided with a slide block, and the second mounting plate reciprocates along the slide rail through the slide block under the driving of the first driving assembly.

As a further improvement of the invention, the bag opening unit further comprises third mounting plates, the sucker assemblies are arranged on the third mounting plates, and the two third mounting plates are symmetrically arranged on two sides of the bottom of the first mounting plate.

As a further improvement of the invention, the sucker assembly comprises a vacuum sucker and an air cylinder, the vacuum sucker is connected with the output end of the air cylinder, and the vacuum sucker opens the bag mouth at the upper part of the zipper of the packaging bag under the driving of the air cylinder.

As a general technical concept, the invention also discloses an automatic packaging production line, which comprises the connecting rod pre-opening zipper bag mechanism.

Compared with the prior art, the invention has the advantages that:

1. according to the connecting rod pre-zipper bag opening mechanism, firstly, the bag opening unit is driven to the preset bag opening position through the first driving assembly, then the bag opening at the upper part of the zipper of the packaging bag is opened through the sucker assembly, and finally the zipper of the packaging bag is opened through the connecting rod assembly driven by the second driving assembly, so that the action of opening the zipper of the packaging bag, which can be realized only by the mutual matching of the plurality of driving assemblies, is realized only through the matching action of the two groups of driving assemblies and the connecting rod assembly. The connecting rod pre-opening zipper bag mechanism effectively simplifies the arrangement of functional components such as a driving assembly and the like, simultaneously simplifies the pre-opening operation steps of the packaging bag, has accurate action and high stability in the whole bag opening process, and realizes the high-efficiency and high-practicability pre-opening of the packaging bag.

2. According to the connecting rod pre-zipper bag opening mechanism, the bag opening at the upper part of the zipper of the packaging bag is opened through the sucker assembly arranged at the bottom of the first mounting plate, so that the bag opening at the upper part of the zipper is opened in a V shape; through all setting up second drive assembly and link assembly on the second mounting panel, the second mounting panel is connected with first drive assembly's output, sliding connection is carried out through the cooperation of slide rail and slider to first mounting panel and second mounting panel, under first drive assembly's drive, the second mounting panel can accurately move to the predetermined position of opening the bag along the slide rail, after second drive assembly and link assembly reached the predetermined position of opening the bag, second drive assembly drive link assembly for two clamping jaws press from both sides tight and open the zip fastener with the wrapping bag from the both sides of V style of calligraphy sack respectively. According to the bag opening device, after the sucker component opens the bag opening at the upper part of the zipper of the packaging bag, the zipper opening action can be completed by driving the connecting rod component through the second driving component, the single bag opening efficiency is improved by 50% compared with that of the conventional bag pre-opening equipment, the bag pre-opening efficiency is obviously improved, the equipment structure is simplified, and the manufacturing cost is greatly reduced. In addition, the rotating angle of the connecting rod assembly can be adjusted by adjusting the limit of the second driving assembly, so that the bag opening angle of the packaging bag can be adjusted, the bag opening requirements of packaging bags with different sizes are well met, and the bag opening device is widely applied to various bag opening occasions.

3. According to the automatic packaging production line, the connecting rod pre-opening zipper bag mechanism is adopted, so that the automatic bagging effect of materials is improved, the labor force is effectively saved, the production cost is reduced, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the structural principle of the connecting rod pre-opening zipper bag mechanism of the present invention.

FIG. 2 is a schematic diagram of the principle of the structure of the connecting rod pre-opening zipper bag mechanism of the present invention in a front view.

FIG. 3 is a schematic diagram of a side view of the pre-zipper-bag-opening mechanism of the present invention.

Illustration of the drawings: 1. a first drive assembly; 2. a first mounting plate; 3. a second mounting plate; 4. a second drive assembly; 5. an extension spring; 6. a sucker component; 7. packaging bags; 8. a vacuum chuck; 9. a cylinder; 10. a clamping jaw; 11. a connecting rod assembly; 12. a third mounting plate; 13. a first link; 14. a second link; 15. a third link; 16. a slider; 17. a slide rail; 18. a connecting seat.

Detailed Description

The invention is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the invention.

Examples

As shown in fig. 1 to 3, the link pre-zipper pack mechanism of the present invention comprises: lifting drive unit and opening a bag unit, lifting drive unit includes first drive assembly 1, first drive assembly 1's output with open a bag unit connection, first drive assembly 1 drive is opened a bag unit and is removed to the predetermined position of opening a bag, it includes second drive assembly 4 to open a bag unit, link assembly 11 and sucking disc subassembly 6, second drive assembly 4's output and link assembly 11 are connected, sucking disc subassembly 6 is used for opening the sack on wrapping bag 7 zip fastener upper portion, second drive assembly 4 drive link assembly 11 is opened wrapping bag 7's zip fastener, it opens bag 7 pre-opening to accomplish.

It is understood that, in the present embodiment, the first driving assembly 1 and the second driving assembly 4 may be specifically cylinder assemblies. In other embodiments, the first driving assembly 1 and the second driving assembly 4 may also be motor assemblies, and it is within the scope of the present invention to provide the driving force required by the bag opening unit to reciprocate to the preset bag opening position and the connecting rod assembly 11 to open the zipper of the packaging bag 7.

In this embodiment, first, the bag opening unit is driven to a preset bag opening position through the first driving assembly 1, then, after the bag opening at the upper part of the zipper of the packaging bag 7 is opened through the sucker assembly 6, the zipper of the packaging bag 7 is opened through the second driving assembly 4 driving the connecting rod assembly 11, and the action of opening the zipper of the packaging bag, which can be realized only by mutually matching a plurality of driving assemblies, is realized only by utilizing the matching action of the two groups of driving assemblies and the connecting rod assembly. The connecting rod pre-opening zipper bag mechanism effectively simplifies the arrangement of functional components such as a driving assembly and the like, simultaneously simplifies the pre-opening operation steps of the packaging bag, has accurate action and high stability in the whole bag opening process, and realizes the high-efficiency and high-practicability pre-opening of the packaging bag.

In this embodiment, the bag opening unit further includes a second mounting plate 3, the second driving assembly 4 and the connecting rod assembly 11 are both disposed on the second mounting plate 3, and the second mounting plate 3 is connected to the output end of the first driving assembly 1. Further, the second mounting plate 3 is an inverted L-shaped structure, the second driving assembly 4 is mounted at the top of the second mounting plate 3, the two groups of connecting rod assemblies 11 are symmetrically arranged on two sides of the second mounting plate 3, and the zippers of the two groups of connecting rod assemblies 11 are opened from two sides of the packaging bag 7 under the driving of the second driving assembly 4.

In this embodiment, the lifting drive unit further includes a first mounting plate 2, the first mounting plate 2 is an inverted L-shaped structure, the first drive assembly 1 is mounted on the top of the first mounting plate 2, and the first mounting plate 2 is slidably connected to the second mounting plate 3. Further, as shown in fig. 3, the first mounting plate 2 is provided with a slide rail 17, the second mounting plate 3 is provided with a slide block 16, and the second mounting plate 3 is driven by the first driving assembly 1 to reciprocate along the slide rail 17 through the slide block 16. Through adopting the removal mode that slides, can enough lead for the motion of second mounting panel 3, improve the precision of second mounting panel 3 reciprocating motion, can reduce the drive power that second mounting panel 3 reciprocating motion consumed again.

As shown in fig. 1 and 2, in the present embodiment, the connecting rod assembly 11 includes a first connecting rod 13, a second connecting rod 14 and a third connecting rod 15, an upper end of the third connecting rod 15 is hinged to the output end of the second driving assembly 4, a lower end of the third connecting rod 15 is hinged to an upper end of the second connecting rod 14, a lower end of the second connecting rod 14 is hinged to a lower end of the first connecting rod 13, a lower end of the second connecting rod 14 and a lower end of the first connecting rod 13 together form a clamping jaw 10 for clamping the packing bag 7, and an upper end of the first connecting rod 13 is hinged to the second mounting plate 3. Under the drive of the second drive assembly 4, the third connecting rod 15 rotates to drive the first connecting rod 13 and the second connecting rod 14 to rotate, so that the clamping jaws 10 at the ends of the first connecting rod 13 and the second connecting rod 14 rotate, and the upper bag opening of the packaging bag 7 is clamped. Two sets of link assembly 11 symmetry sets up in 3 both sides of second mounting panel, through the action of second drive assembly 4, can realize two sets of link assembly 11's rotation simultaneously, accomplishes the clamp of packing bag 7 both sides tightly, moves accurately and high-efficiently.

In this embodiment, the second mounting plate 3 is symmetrically provided with connecting seats 18 at both sides, and the upper end of the first connecting rod 13 is connected to the connecting seats 18 through the extension spring 5. Through the elasticity assistance of extension spring 5 for first connecting rod 13 obtains certain elastic buffer power at the pivoted in-process, also utilizes connecting seat 18 to carry on spacingly to the action of first connecting rod 13, increases the precision that link assembly 11 moved.

In the embodiment, as shown in fig. 1, the bag opening unit further includes third mounting plates 12, the suction cup assemblies 6 are disposed on the third mounting plates 12, and the two third mounting plates 12 are symmetrically disposed on two sides of the bottom of the first mounting plate 2. Further, in order to improve the stability of the pre-opening of the packaging bag 7, two sets of suction cup assemblies 6 are arranged side by side on the third mounting plate 12. In the bag opening process, the bag opening area of the upper part of the zipper of the packaging bag 7 is relatively small, and two groups of sucker assemblies 6 are arranged on each side of the packaging bag 7 for bag opening action, so that the bag opening success rate is improved, the packaging bag 7 can be clamped more stably, and the zipper opening action of the subsequent connecting rod assembly 11 is facilitated.

As shown in fig. 1, further, in this embodiment, the suction cup assembly 6 includes a vacuum suction cup 8 and a cylinder 9, the vacuum suction cup 8 is connected with an output end of the cylinder 9, and under the driving of the cylinder 9, the vacuum suction cup 8 opens a bag opening at the upper portion of the zipper of the packaging bag 7, so that the bag opening at the upper portion of the zipper is opened in a V shape, and two clamping jaws 10 can accurately clamp the packaging bag from two sides of the V-shaped bag opening and pull the zipper open. The sucker component 6 is fixedly connected to the third mounting plate 12 through the bolt component, and the mounting position of the sucker component 6 on the third mounting plate 12 can be flexibly adjusted according to the requirements of the packaging bags 7 with different sizes, so that the stability of the pre-opened bag is improved, and the application range of the pre-opened zipper bag mechanism is widened.

In this embodiment, sucking disc subassembly 6 is opened the back with the sack on wrapping bag 7 zip fastener upper portion, can accomplish through second drive assembly 4 drive link assembly 11 and open the zip fastener action, and the action is simple and accurate, and the single bag efficiency of opening has improved 50% than current bag equipment of opening in advance, is showing when having improved bag efficiency of opening in advance, has also simplified equipment structure and has set up, greatly reduced manufacturing cost.

During operation, wrapping bag 7 is transported to predetermined bag station of opening by the preceding station, is opened the sack on zip fastener upper portion from wrapping bag 7 both sides by sucking disc subassembly 6 that sets up on third mounting panel 12 for the sack on zip fastener upper portion is V style of calligraphy and opens. After the action of the sucker component 6 is completed, the first air cylinder drives the second mounting plate 3 to accurately move to a preset bag opening position along the sliding rail 17, after the second air cylinder and the connecting rod component 11 reach the preset bag opening position, the second air cylinder starts to act, and the driving connecting rod component 11 reaches the preset position and rotates, so that the two clamping jaws 10 clamp the packaging bag 7 from two sides of the V-shaped bag opening respectively. After the bag opening of the packaging bag 7 is clamped, the sucking disc assembly 6 loosens the adsorption of the bag opening at the upper part of the zipper and resets to the initial state. The second cylinder continues to move downwards for a certain stroke, so that the two clamping jaws 10 swing by an angle until the zipper is opened, and the whole single action process is finished. It should be noted that, in a specific production process, the rotation angle of the connecting rod assembly 11 can be adjusted by adjusting the limit of the second cylinder, so that the bag opening angle of the packaging bag 7 can be adjusted until the swing angle of the clamping jaw 10 for opening the zipper is perpendicular to the horizontal plane, and the packaging bag 7 can be opened at a certain angle perfectly. The connecting rod pre-opening zipper bag mechanism has efficient and stable action, simultaneously skillfully avoids the situation of tearing the packaging bag 7, and improves the success rate of pre-opening the bag.

The embodiment also provides an automatic packaging production line which comprises the connecting rod pre-opening zipper bag mechanism. By adopting the connecting rod pre-opening zipper bag mechanism, the automatic bagging effect of materials is improved, the labor is effectively saved, the production cost is reduced, and the production efficiency is improved.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.

Claims

1. The utility model provides a connecting rod is opened zip fastener bag mechanism in advance which characterized in that includes: the lifting drive unit and open a bag unit, the lifting drive unit includes first drive assembly (1), the output of first drive assembly (1) with open a bag unit connection, first drive assembly (1) drive open a bag unit and remove to the predetermined bag position of opening, it includes second drive assembly (4), link assembly (11) and sucking disc subassembly (6) to open a bag unit, the output and link assembly (11) of second drive assembly (4) are connected, sucking disc subassembly (6) are used for opening the sack on wrapping bag (7) zip fastener upper portion, second drive assembly (4) drive link assembly (11) open the zip fastener of wrapping bag (7), accomplish wrapping bag (7) and open in advance.

2. The connecting rod pre-zipper bag opening mechanism according to claim 1, wherein the bag opening unit further comprises a second mounting plate (3), the second driving assembly (4) and the connecting rod assembly (11) are both disposed on the second mounting plate (3), and the second mounting plate (3) is connected with an output end of the first driving assembly (1).

3. The connecting rod pre-zipper bag opening mechanism according to claim 2, wherein the second driving assembly (4) is installed on the top of the second mounting plate (3), two sets of the connecting rod assemblies (11) are symmetrically arranged on two sides of the second mounting plate (3), and the two sets of the connecting rod assemblies (11) open the zipper of the packaging bag (7) under the driving of the second driving assembly (4).

4. The connecting rod pre-opening zipper bag mechanism according to claim 3, wherein the connecting rod assembly (11) comprises a first connecting rod (13), a second connecting rod (14) and a third connecting rod (15), the upper end of the third connecting rod (15) is hinged with the output end of the second driving assembly (4), the lower end of the third connecting rod (15) is hinged with the upper end of the second connecting rod (14), the lower end of the second connecting rod (14) is hinged with the lower end of the first connecting rod (13), the lower end of the second connecting rod (14) and the lower end of the first connecting rod (13) jointly form a clamping jaw (10) for clamping the packaging bag (7), and the upper end of the first connecting rod (13) is hinged with the second mounting plate (3).

5. The connecting rod pre-opening zipper bag mechanism according to claim 4, wherein the second mounting plate (3) is symmetrically provided with connecting seats (18) at both sides, and the upper end of the first connecting rod (13) is connected with the connecting seats (18) through the extension spring (5).

6. The link pre-zippered bag opening mechanism of any one of claims 2 to 5, wherein the lifting drive unit further comprises a first mounting plate (2), the first drive assembly (1) being mounted on top of the first mounting plate (2), the first mounting plate (2) being slidably connected to the second mounting plate (3).

7. The connecting rod pre-opening zipper bag mechanism according to claim 6, wherein the first mounting plate (2) is provided with a slide rail (17), the second mounting plate (3) is provided with a slider (16), and the second mounting plate (3) is driven by the first driving assembly (1) to reciprocate along the slide rail (17) through the slider (16).

8. The connecting rod pre-zipper bag opening mechanism according to claim 6, wherein the bag opening unit further comprises third mounting plates (12), the sucker assemblies (6) are arranged on the third mounting plates (12), and two third mounting plates (12) are symmetrically arranged at two sides of the bottom of the first mounting plate (2).

9. The connecting rod pre-zipper bag opening mechanism according to claim 8, wherein the sucker assembly (6) comprises a vacuum sucker (8) and a cylinder (9), the vacuum sucker (8) is connected with an output end of the cylinder (9), and the vacuum sucker (8) opens a bag opening at the zipper upper part of the packaging bag (7) under the driving of the cylinder (9).

10. An automatic packaging line, characterized by comprising the link pre-zippered bag mechanism of any one of claims 1 to 9.