Packaging bag edge folding device

Abstract

The utility model discloses a packaging bag edge folding device, and relates to the technical field of packaging bag production. The device comprises a bearing frame and a guide rod, the top face of the bearing frame is fixedly connected with a baffle, a bag body is placed on the top face of the bearing frame and located on one side of the baffle, a screw is arranged above the bag body, the side wall of the screw is sleeved with a movable seat in a threaded mode, and a first electric cylinder is arranged on the bottom face of the movable seat. The output shaft end of the first electric cylinder is fixedly connected with a pressing plate, the pressing plate corresponds to and is matched with the bag body, a second electric cylinder is arranged on one side of the first electric cylinder, the output shaft end of the second electric cylinder is fixedly connected with a lengthened shaft, the bottom end of the lengthened shaft is fixedly connected with a transverse plate, and an electric vacuum suction cup is arranged below the transverse plate. The electric vacuum suction cup corresponds to a bag opening of the bag body, and an edge folding plate is arranged on the side, back on to the bag body, of the baffle. The bag body edge folding device is good in applicability, and edge folding operation of different widths can be carried out on a bag body.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag production, in particular to a packaging bag folding device. Background Art

[0002] Packaging bags refer to bags used to package various items, which make it convenient to transport and store goods during the production and circulation process. They are widely used in daily life and industrial production. Packaging bags need to be folded during processing, and then the folded edges need to be glued or other foldable edges need to be fixed.

[0003] When folding the existing packaging bags, the folding width of the folding device generally used is basically fixed. Therefore, only bags of one specification can be processed, and the applicability is poor. When other specifications are required, other devices need to be selected. When folding manually, although the folding width can be controlled and adjusted, the labor workload is large. In view of the above problems, the inventor proposes a packaging bag folding device to solve the above problems. Utility Model Content

[0004] In order to solve the problem that when folding the existing packaging bags, the folding width of the folding device generally used is basically fixed, so only one specification of bags can be processed, resulting in poor applicability; the purpose of the utility model is to provide a packaging bag folding device.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: a packaging bag folding device, comprising a supporting frame and a guide rod, the top surface of the supporting frame is fixedly connected with a baffle, a bag body is placed on the top surface of the supporting frame and on one side of the baffle, a screw is arranged above the bag body, a movable seat is provided on the side wall thread sleeve of the screw, a first electric cylinder is arranged on the bottom surface of the movable seat, the output shaft end of the first electric cylinder is fixedly connected with a pressure plate, the pressure plate corresponds to and cooperates with the bag body, a second electric cylinder is arranged on one side of the first electric cylinder, the output shaft end of the second electric cylinder is fixedly connected with an extension shaft, the bottom end of the extension shaft is fixedly connected with a cross plate, an electric vacuum suction cup is arranged below the cross plate, the electric vacuum suction cup corresponds to the bag opening of the bag body, and a folding plate is arranged on the side of the baffle facing away from the bag body.

[0006] Preferably, the side wall of the support frame is fixedly connected with a stand, and there are two stands, one side of which is provided with a motor, the output shaft end of the motor is fixedly connected to the rod end of the screw, the side wall of the motor is provided with a base, and the base is fixedly connected to the side wall of the stand, wherein the side wall of the other stand is fixedly connected with a second fixed seat, the second electric cylinder is embedded in the second fixed seat, and the shell of the second electric cylinder is fixed to the second fixed seat, the side wall of the first electric cylinder is provided with a first fixed seat, the top surface of the first fixed seat is fixedly connected to the bottom surface of the movable seat, the motor is installed through the base, the motor is started, and the screw is in the motor The output shaft rotates, and the screw rod and the threaded hole cooperate with each other, as well as with the guide rod, so that the movable seat can be translated, and then the pressure plate can be moved by the first electric cylinder to adjust the position of the pressure plate, so that the bag body can be folded at different widths to improve practicality. After the bag body is folded, the second electric cylinder can be started to lift the electric vacuum suction cup through the cross plate, and the edge of the bag can be adsorbed by the electric vacuum suction cup. The second electric cylinder is controlled again to make the electric vacuum suction cup rise, and under the action of the hinge seat, the edge of the pocket can be tilted so that the folding plate can perform folding operations.

[0007] Preferably, a threaded hole is penetrated through the middle of the side wall of the movable seat, the screw corresponds to and cooperates with the threaded hole, guide holes are penetrated through the side wall of the movable seat and on both sides of the threaded hole, the guide rod corresponds to the guide hole and is slidably connected, the motor is started, and the screw rotates under the action of the motor output shaft, and the movable seat can be translated through the mutual cooperation of the screw and the threaded hole, and the cooperation of the guide rod, and then the pressure plate can be moved by the first electric cylinder to adjust the position of the pressure plate.

[0008] Preferably, a hinge seat is fixedly connected to the top surface of the shell of the electric vacuum suction cup, and the movable end surface of the hinge seat is fixed to the bottom surface of the cross plate, so that the pocket edge can be adsorbed by the electric vacuum suction cup, and then the second electric cylinder is controlled again to make the electric vacuum suction cup rise, so that the pocket edge can be tilted under the action of the hinge seat, so that the folding plate can perform the folding operation, and the top surface of the support frame is fixedly connected to the third fixed seat, and the side wall of the third fixed seat is interspersed with a third electric cylinder, and the third electric The output shaft end of the movable cylinder is fixedly connected with an extension rod, and the rod end of the extension rod is fixedly connected to the side wall of the folding plate. When the edge of the pocket is tilted, the third electric cylinder is started, and the extension rod can be translated under the action of the output shaft of the third electric cylinder, so that the tilted pocket edge can be folded. The side wall of the folding plate is fixedly connected with a cross bar, and the side wall of the cross bar is slidably connected with a convex plate. The bottom surface of the convex plate is fixed to the top surface of the supporting bracket. Through the mutual cooperation of the cross bar and the convex plate, the movement of the folding plate can be made more stable.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model has good applicability and can perform folding operations of different widths on the bag body. By starting the motor, the movable seat can be translated through the mutual cooperation of the screw and the threaded hole, and under the cooperation of the guide rod, the pressing plate can be moved by the first electric cylinder to adjust the position of the pressing plate. The pressing plate can be raised and lowered by starting the first electric cylinder. After the folding width is determined, starting the first electric cylinder can make the pressing plate press and fix the bag body to avoid the bag body from moving during folding.

[0011] 2. The utility model does not require manual folding operations, thus reducing the workload. After the edge of the bag body is pressed, the edge of the bag can be adsorbed by an electric vacuum suction cup. The electric vacuum suction cup can be raised by controlling the second electric cylinder, thereby making the edge of the bag tilted. By starting the third electric cylinder, the folding plate can be translated, and the tilted edge of the pocket can be folded. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is another structural schematic diagram of the utility model as a whole.

[0015] Figure 3 It is an enlarged view of point A of the present utility model.

[0016] In the figure: 1. supporting frame; 2. vertical frame; 3. motor; 4. screw; 5. guide rod; 6. movable seat; 7. first fixed seat; 8. first electric cylinder; 9. pressure plate; 10. second fixed seat; 11. second electric cylinder; 12. extension shaft; 13. cross plate; 14. hinge seat; 15. electric vacuum suction cup; 16. third electric cylinder; 17. third fixed seat; 18. extension rod; 19. cross rod; 20. convex plate; 21. baffle; 22. bag body; 23. folding plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-3 As shown, the utility model provides a packaging bag folding device, including a supporting frame 1 and a guide rod 5, the top surface of the supporting frame 1 is fixedly connected with a baffle 21, a bag body 22 is placed on the top surface of the supporting frame 1 and on one side of the baffle 21, a screw 4 is arranged above the bag body 22, the side wall thread sleeve of the screw 4 is provided with a movable seat 6, a first electric cylinder 8 is arranged on the bottom surface of the movable seat 6, the output shaft end of the first electric cylinder 8 is fixedly connected with a pressing plate 9, the pressing plate 9 corresponds to and cooperates with the bag body 22, a second electric cylinder 11 is arranged on one side of the first electric cylinder 8, the output shaft end of the second electric cylinder 11 is fixedly connected with an extension shaft 12, the bottom end of the extension shaft 12 is fixedly connected with a cross plate 13, an electric vacuum suction cup 15 is arranged below the cross plate 13, the electric vacuum suction cup 15 corresponds to the bag opening of the bag body 22, and a folding plate 23 is arranged on the side of the baffle 21 facing away from the bag body 22.

[0019] A vertical frame 2 is fixedly connected to the side wall of the supporting frame 1, and there are two vertical frames 2. A motor 3 is arranged on one side of one of the vertical frames 2, and the output shaft end of the motor 3 is fixedly connected to the rod end of the screw rod 4. A base is arranged on the side wall of the motor 3, and the base is fixedly connected to the side wall of the vertical frame 2. A second fixed seat 10 is fixedly connected to the side wall of the other vertical frame 2, and a second electric cylinder 11 is embedded in the second fixed seat 10, and a shell of the second electric cylinder 11 is fixed to the second fixed seat 10.

[0020] By adopting the above technical scheme, a first fixed seat 7 is provided on the side wall of the first electric cylinder 8, and the top surface of the first fixed seat 7 is fixedly connected to the bottom surface of the movable seat 6. The motor 3 is installed through the base, and the motor 3 is started. The screw 4 rotates under the action of the output shaft of the motor 3. Through the mutual cooperation between the screw 4 and the threaded hole, and with the cooperation of the guide rod 5, the movable seat 6 can be translated, and then the pressing plate 9 can be moved by the first electric cylinder 8 to adjust the position of the pressing plate 9, so that the bag body 22 can be folded with different widths to improve practicality. After completing the folding of the bag body 22, starting the second electric cylinder 11 can make the electric vacuum suction cup 15 rise and fall through the cross plate 13, and the pocket edge can be adsorbed by the electric vacuum suction cup 15. The second electric cylinder 11 is controlled again to make the electric vacuum suction cup 15 rise. Under the action of the hinge seat 14, the pocket edge can be tilted so that the folding plate 23 can perform the folding operation.

[0021] A threaded hole is provided through the middle of the side wall of the movable seat 6, and the screw rod 4 corresponds to and cooperates with the threaded hole. Guide holes are provided through the side wall of the movable seat 6 and on both sides of the threaded hole, and the guide rod 5 corresponds to the guide holes and is slidably connected.

[0022] By adopting the above technical solution, the motor 3 is started, and the screw 4 rotates under the action of the output shaft of the motor 3. Through the mutual cooperation between the screw 4 and the threaded hole, and with the cooperation of the guide rod 5, the movable seat 6 can be translated, and then the pressure plate 9 can be moved by the first electric cylinder 8 to adjust the position of the pressure plate 9.

[0023] The top surface of the housing of the electric vacuum suction cup 15 is fixedly connected with a hinge seat 14 , and the movable end surface of the hinge seat 14 is fixed to the bottom surface of the horizontal plate 13 .

[0024] By adopting the above technical solution, the edge of the pocket can be adsorbed by the electric vacuum suction cup 15, and then the second electric cylinder 11 is controlled again to make the electric vacuum suction cup 15 rise, and under the action of the hinge seat 14, the edge of the pocket can be lifted up so that the folding plate 23 can perform the folding operation.

[0025] The top surface of the support bracket 1 is fixedly connected with a third fixing seat 17 , the side wall of the third fixing seat 17 is inserted with a third electric cylinder 16 , the output shaft end of the third electric cylinder 16 is fixedly connected with an extension rod 18 , and the rod end of the extension rod 18 is fixedly connected to the side wall of the folding plate 23 .

[0026] By adopting the above technical solution, when the edge of the pocket is tilted, the third electric cylinder 16 is started, and the extension rod 18 can be translated under the action of the output shaft of the third electric cylinder 16, so that the tilted pocket edge can be folded, and the side wall of the folding plate 23 is fixedly connected with the cross bar 19, and the side wall of the cross bar 19 is slidably connected with the convex plate 20, and the bottom surface of the convex plate 20 is fixed to the top surface of the supporting frame 1. Through the mutual cooperation between the cross bar 19 and the convex plate 20, the movement of the folding plate 23 can be made more stable.

[0027] Working principle: When the utility model is used, the bag body 22 to be folded is placed on the support frame 1, and the bag mouth of the bag body 22 is in contact with the baffle 21, the motor 3 is started, and the screw 4 is rotated under the action of the output shaft of the motor 3, and the screw 4 and the threaded hole cooperate with each other, and the guide rod 5 cooperate, so that the movable seat 6 can be translated, and then the first electric cylinder 8 can be used to move the pressing plate 9 to adjust the position of the pressing plate 9, so that the bag body 22 can be folded with different widths;

[0028] After the folding width is determined, the first electric cylinder 8 is started, and the pressing plate 9 falls under the action of the output shaft of the first electric cylinder 8 until the pressing plate 9 presses and fixes the bag body 22;

[0029] Next, the second electric cylinder 11 is started to lift the electric vacuum suction cup 15 through the horizontal plate 13, and the electric vacuum suction cup 15 can adsorb the edge of the pocket. The second electric cylinder 11 is controlled again to lift the electric vacuum suction cup 15, and the hinge seat 14 can lift the edge of the pocket.

[0030] Then, the third electric cylinder 16 is started, and the extension rod 18 can drive the folding plate 23 to translate under the action of the output shaft of the third electric cylinder 16, so that the raised edge of the pocket can be folded, and the cross bar 19 and the convex plate 20 cooperate with each other, so that the folding plate 23 can move more smoothly.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A packaging bag folding device, comprising a support frame (1) and a guide rod (5), characterized in that: The top surface of the support frame (1) is fixedly connected to a baffle (21), a bag body (22) is placed on the top surface of the support frame (1) and on one side of the baffle (21), a screw rod (4) is arranged above the bag body (22), a movable seat (6) is threadedly sleeved on the side wall of the screw rod (4), a first electric cylinder (8) is arranged on the bottom surface of the movable seat (6), an output shaft end of the first electric cylinder (8) is fixedly connected to a pressure plate (9), the pressure plate (9) corresponds to the bag body (22) and In cooperation, a second electric cylinder (11) is arranged on one side of the first electric cylinder (8); an output shaft end of the second electric cylinder (11) is fixedly connected to an extension shaft (12); a bottom end of the extension shaft (12) is fixedly connected to a transverse plate (13); an electric vacuum suction cup (15) is arranged below the transverse plate (13); the electric vacuum suction cup (15) corresponds to the bag opening of the bag body (22); and a folding plate (23) is arranged on the side of the baffle (21) facing away from the bag body (22).

2. A packaging bag folding device as claimed in claim 1, characterized in that: The side wall of the support frame (1) is fixedly connected to a stand frame (2), and there are two stand frames (2).

3. A packaging bag folding device as claimed in claim 2, characterized in that: A motor (3) is provided on one side of one of the stands (2), the output shaft end of the motor (3) is fixedly connected to the rod end of the screw rod (4), and a base is provided on the side wall of the motor (3), and the base is fixedly connected to the side wall of the stand (2).

4. A packaging bag folding device as claimed in claim 3, characterized in that: The side wall of the other stand (2) is fixedly connected to a second fixing seat (10), the second electric cylinder (11) is embedded in the second fixing seat (10), and the shell of the second electric cylinder (11) is fixed to the second fixing seat (10).

5. A packaging bag folding device as claimed in claim 1, characterized in that: A threaded hole is provided through the middle of the side wall of the movable seat (6), and the screw rod (4) corresponds to and cooperates with the threaded hole.

6. A packaging bag folding device as claimed in claim 5, characterized in that: Guide holes are provided through the side walls of the movable seat (6) and on both sides of the threaded hole, and the guide rods (5) correspond to the guide holes and are slidably connected to them.

7. A packaging bag folding device as claimed in claim 1, characterized in that: The top surface of the shell of the electric vacuum suction cup (15) is fixedly connected to a hinge seat (14), and the movable end surface of the hinge seat (14) is fixed to the bottom surface of the horizontal plate (13).

8. The packaging bag folding device according to claim 1, characterized in that: The top surface of the support frame (1) is fixedly connected to a third fixing seat (17), a third electric cylinder (16) is inserted into the side wall of the third fixing seat (17), an extension rod (18) is fixedly connected to the output shaft end of the third electric cylinder (16), and the rod end of the extension rod (18) is fixedly connected to the side wall of the folding plate (23).

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