Edge folding mechanism for packaging bag

Abstract

The utility model relates to the technical field of packaging bag edge folding, in particular to an edge folding mechanism of a packaging bag, which comprises a conveying platform, a fixing groove and a first support. The conveying platform is of a frame structure with a conveying belt arranged in the middle, and the fixing groove is formed in the outer wall of the discharging side of the conveying platform. The electric cylinder is fixed with the first bracket through a screw; the lower end of the supporting plate is fixed to the end of the electric cylinder, and the overturning motor is fixed to the upper end of the supporting plate through a screw. The rotating piece is fixed to a rotating shaft of the overturning motor through a screw and serves as a rotating device. The second support is fixed to the middle of the fixing groove through a screw, the material blocking air cylinder is vertically arranged on the second support, and the check block is fixed to the upper end of the material blocking air cylinder through a screw. By improving the edge folding mechanism of the packaging bag, the packaging bag edge folding mechanism has the advantages of being convenient to feed, capable of automatically turning over and folding edges and high in edge folding efficiency, and therefore the problems and defects in the prior art and equipment are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag folding, and more specifically, to a packaging bag folding mechanism. Background Art

[0002] With the development of e-commerce, the volume of parcels sent is increasing. Goods generally need to be packed in bags for shipment. When the shipment quantity is large, sealing the opening of the packaging bag is an important process.

[0003] In the patent CN207242171U, a protective film packaging bag folding mechanism is disclosed, in which a downward pressure cylinder drives a downward pressure rod to press the folded portion of the packaging bag into a folding groove, so that the adhesive portion is tilted upward, and a sealing cylinder drives a sealing wheel to roll the adhesive portion so that the adhesive portion is bonded to the upper surface of the packaging bag. However, the mechanism still requires manual placement of the packaging bag, and the bent portion needs to be aligned with the folding groove. It is difficult for manual control of the placement position of the packaging bag, which affects the folding efficiency of the packaging bag.

[0004] In view of this, the existing problems are studied and improved, and a folding mechanism for a packaging bag is provided, aiming to achieve the purpose of solving the problems and improving the practical value through this technology. Utility Model Content

[0005] The purpose of the utility model is to provide a folding mechanism for a packaging bag to solve the problems and shortcomings raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a folding mechanism for a packaging bag, which is achieved by the following specific technical means:

[0007] A folding mechanism for a packaging bag comprises: a conveying platform, a fixing groove, a first bracket, an electric cylinder, a support plate, a flip motor, a rotating part, a second bracket, a material blocking cylinder, a block, an auxiliary pressing plate, an upper conveyor belt, a sealing cylinder, a pressing plate, and a packaging bag; the conveying platform is a frame structure with a conveyor belt in the middle, and the fixing groove is provided on the outer wall of the conveying platform on the discharge side; the first bracket is fixed in the fixing groove by screws; the electric cylinder is fixed to the first bracket by screws, and the electric cylinder is symmetrically arranged at two locations at the end of the conveying platform; the lower end of the support plate is fixed to the end of the electric cylinder, The flip motor is fixed to the upper end of the support plate by screws; the rotating part is fixed to the rotating shaft of the flip motor by screws to form a rotating device; the second bracket is fixed to the middle position of the fixing groove by screws, and the blocking cylinder is vertically arranged on the second bracket, and the block is fixed to the upper end of the blocking cylinder by screws; the auxiliary pressure plate is fixed to the top surface of the discharge end of the conveying platform; the upper conveyor belt is arranged above the conveying platform; the pressure plate is arranged above the auxiliary pressure plate, and the pressure plate is fixed to the sealing cylinder by screws; the packaging bag is placed between the conveying platform and the upper conveyor belt.

[0008] As a further optimization of the technical solution, the rotating member of the folding mechanism of a packaging bag of the utility model is a strip structure in the shape of the English letter "U", and a rectangular strip structure is provided on the outer side of the lower part of the rotating member.

[0009] As a further optimization of the technical solution, the stopper of the folding mechanism of a packaging bag of the utility model is an English letter "L"-shaped plate structure, and a waist-shaped groove is provided in the middle position of the lower part of the stopper.

[0010] As a further optimization of the technical solution, the pressure plate of the folding mechanism of a packaging bag of the utility model is a long rectangular structure.

[0011] As a further optimization of the technical solution, the auxiliary pressing plate of the folding mechanism of a packaging bag of the utility model is a rectangular plate structure with one side being blade-shaped.

[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0013] 1. The rotating part of the utility model is a strip structure in the shape of the English letter "U", and a rectangular strip structure is provided on the outer side of the lower part of the rotating part. The rotating part is fixed on the rotating shaft of the flip motor by screws as a rotating device. The flip motor drives the rotating part to rotate, and the end of the packaging bag with glue is fitted with the surface of the packaging bag. The sealing cylinder drives the pressing plate to descend to bond the glue end with the surface of the packaging bag.

[0014] 2. The utility model has an upper conveyor belt arranged above the conveying platform, and a stopper is fixed to the upper end of the material blocking cylinder by screws. The upper conveyor belt conveys the packaging bags, and the stopper limits the position of the packaging bags. The utility model is easy to use, realizes continuous operation, and improves the folding efficiency.

[0015] 3. The utility model improves the folding mechanism of the packaging bag, has the advantages of convenient feeding, automatic folding and high folding efficiency, thereby effectively solving the problems and shortcomings of the existing technology and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional enlarged structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the rotating part of the utility model;

[0020] Figure 4 This is a schematic diagram of the stopper structure of the utility model.

[0021] In the figure: conveying platform 1, fixing groove 2, first bracket 3, electric cylinder 4, support plate 5, turning motor 6, rotating part 7, second bracket 8, material blocking cylinder 9, block 10, auxiliary pressing plate 11, upper conveyor belt 12, sealing cylinder 13, pressing plate 14, packaging bag 15. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figures 1 to 4 The utility model provides a specific technical implementation scheme of a folding mechanism for a packaging bag:

[0024] A folding mechanism for a packaging bag comprises: a conveying platform 1, a fixing groove 2, a first bracket 3, an electric cylinder 4, a support plate 5, a flip motor 6, a rotating member 7, a second bracket 8, a material blocking cylinder 9, a stopper 10, an auxiliary pressing plate 11, an upper conveyor belt 12, a sealing cylinder 13, a pressing plate 14, and a packaging bag 15; the conveying platform 1 is a frame structure with a conveyor belt in the middle, and the fixing groove 2 is provided on the outer wall of the discharging side of the conveying platform 1; the first bracket 3 is fixed in the fixing groove 2 by screws; the electric cylinder 4 is fixed to the first bracket 3 by screws, and the electric cylinder 4 is symmetrically arranged at two ends of the conveying platform 1; the lower end of the support plate 5 is fixed to the end of the electric cylinder 4, and the flip motor 6 is fixed to the upper end of the support plate 5 by screws; the rotating member 7 is a strip in the shape of the English letter "U". The structure is simple and convenient to use, and the outer side of the lower part of the rotating member 7 is provided with a rectangular strip structure to support the end of the packaging bag 15; the rotating member 7 is fixed to the rotating shaft of the flip motor 6 by screws to form a rotating device; the flip motor 6 drives the rotating member 7 to rotate, and the end of the packaging bag 15 with glue is fitted with the surface of the packaging bag; the second bracket 8 is fixed to the middle position of the fixing groove 2 by screws, and the blocking cylinder 9 is vertically arranged on the second bracket 8, and the block 10 is fixed to the upper end of the blocking cylinder 9 by screws; the block 10 is an English letter "L"-shaped plate structure, and a waist-shaped groove is provided in the middle position of the lower part of the block 10, which is convenient for adjusting the front and rear position of the block 10; the block 10 limits the position of the packaging bag, is easy to use, realizes continuous operation, and improves the folding efficiency.

[0025] The auxiliary pressing plate 11 is a rectangular plate structure with a blade-shaped side; the auxiliary pressing plate 11 is fixed on the top surface of the discharge end of the conveying platform 1, and the auxiliary pressing plate 11 guides the end of the packaging bag 15, so that the package can be smoothly moved to the bottom of the pressing plate 14; the upper conveyor belt 12 is arranged above the conveying platform 1; the upper conveyor belt 12 conveys the packaging bag 15; the pressing plate 14 is a long rectangular structure; the pressing plate 14 is arranged above the auxiliary pressing plate 11, and the pressing plate 14 is fixed to the sealing cylinder 13 by screws, and the sealing cylinder 13 drives the pressing plate 14 to descend to bond the adhesive end to the packaging bag 15; the packaging bag 15 is placed between the conveying platform 1 and the upper conveyor belt 12.

[0026] Working principle:

[0027] When in use, the packaging bag 15 is placed between the conveying platform 1 and the upper conveyor belt 12, and the upper conveyor belt 12 drives the packaging bag 15 to move. When the packaging bag 15 contacts the stopper 10, the upper conveyor belt 12 stops moving, the electric cylinder 4 extends, and the opening of the rotating member 7 is inserted on both sides of the end of the packaging bag 15. The flip motor 6 drives the rotating member 7 to rotate 180 degrees, so that the glued part at the end of the packaging bag 15 fits the surface of the packaging bag 15, and the sealing cylinder 13 drives the pressing plate 14 to descend, and the glued part at the end of the packaging bag 15 is bonded to the surface of the packaging bag 15. The blocking cylinder 9 descends, and the upper conveyor belt 12 drives the packaging bag 15 to continue to move. The packaging bag 15 falls, and the blocking cylinder 9 rises. Repeat the operation to bend the packaging bag.

[0028] To sum up: the folding mechanism of the packaging bag is a rotating part that is a strip structure in the shape of the English letter "U", and a rectangular strip structure is provided on the outer side of the lower part of the rotating part. The rotating part is fixed to the rotating shaft of the flip motor by screws as a rotating device. The flip motor drives the rotating part to rotate, and the end of the packaging bag with glue is fitted with the surface of the packaging bag. The sealing cylinder drives the pressing plate to descend and adheres the glue end to the surface of the packaging bag; the upper conveyor belt is arranged above the conveying platform, and the stopper is fixed to the upper end of the blocking cylinder by screws. The upper conveyor belt conveys the packaging bag, and the stopper limits the position of the packaging bag. It is easy to use, realizes continuous operation, and improves the folding efficiency. The utility model improves the folding mechanism of the packaging bag, has the advantages of convenient loading, automatic flipping and high folding efficiency, thereby effectively solving the problems and shortcomings in the existing technology and equipment.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding mechanism for a packaging bag, comprising: A conveying platform (1), a fixing groove (2), a first bracket (3), an electric cylinder (4), a support plate (5), a flip motor (6), a rotating member (7), a second bracket (8), a material blocking cylinder (9), a block (10), an auxiliary pressing plate (11), an upper conveyor belt (12), a sealing cylinder (13), a pressing plate (14), and a packaging bag (15); characterized in that: the conveying platform (1) is a frame structure with a conveyor belt in the middle, and the fixing groove (2) is provided on the outer wall of the conveying platform (1) on the discharge side; the first bracket (3) is fixed in the fixing groove (2) by screws; the electric cylinder (4) is fixed to the first bracket (3) by screws, and the electric cylinder (4) is symmetrically arranged at two ends of the conveying platform (1); the lower end of the support plate (5) is fixed to the end of the electric cylinder (4); The second bracket (8) is fixed to the middle position of the fixing groove (2) by screws, and the material blocking cylinder (9) is vertically arranged on the second bracket (8), and the stopper (10) is fixed to the upper end of the material blocking cylinder (9) by screws; the auxiliary pressure plate (11) is fixed to the top surface of the discharge end of the conveying platform (1); the upper conveyor belt (12) is arranged above the conveying platform (1); the pressure plate (14) is arranged above the auxiliary pressure plate (11), and the pressure plate (14) is fixed to the sealing cylinder (13) by screws; and the packaging bag (15) is placed between the conveying platform (1) and the upper conveyor belt (12).

2. The folding mechanism of a packaging bag according to claim 1, characterized in that: The rotating member (7) is a strip structure in the shape of the English letter "U", and a rectangular strip structure is provided on the outer side of the lower part of the rotating member (7).

3. The folding mechanism of a packaging bag according to claim 1, characterized in that: The stopper (10) is an English letter "L"-shaped plate-like structure, and a waist-shaped groove is provided at the middle position of the lower part of the stopper (10).

4. The folding mechanism of a packaging bag according to claim 1, characterized in that: The pressing plate (14) is a long rectangular structure.

5. The folding mechanism of a packaging bag according to claim 1, characterized in that: The auxiliary pressing plate (11) is a rectangular plate-shaped structure with one side being blade-shaped.

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