Bag opening mechanism of flexible packaging machine

Abstract

The utility model discloses a bag opening mechanism of a flexible packaging machine, which comprises a bag opening base, a bag opening motor, an eccentric shaft sleeve, a guide rod, a right roll-over stand, a right shaft sleeve, a connecting piece, a left roll-over stand, a left shaft sleeve, a bag suction pipe and an air blowing pipe, the top of the bag opening base is provided with a bag opening bottom shell, and the bottom of one side of the bag opening bottom shell is fixedly connected with a bag opening support plate; one side of the bag opening support plate is fixedly connected with a bag opening motor; according to the utility model, the right shaft sleeve and the left shaft sleeve are respectively used for providing rotary support for the right roll-over stand and the left roll-over stand, and are matched with the connecting piece to form a linkage type symmetrical structure; the guide rod is pulled to enable the bag suction pipes on the right overturning frame and the left overturning frame to be close to each other to suck the two sides of the top of a bag respectively, then the bag opening motor rotates reversely to automatically complete the bag opening process, the bag opening motor can participate in the automatic production process and become one procedure in the packaging process, the working efficiency is improved, the procedures are simplified, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, in particular to a bag opening mechanism of a flexible packaging machine. Background Art

[0002] The bag opening mechanism is an auxiliary mechanical structure in a packing machine for opening a packaging bag so as to put articles into the packaging bag subsequently. The traditional way of sheathing a packaging box or a packing case with a bag is manual operation. Workers manually put the packaging box or the packing case into a flexible outer packaging bag. This traditional bag sheathing method is time-consuming and laborious, with low efficiency, and it is difficult to cooperate with the whole production line to form an automated system, which is not conducive to the intelligent, automated and large-scale production process of the packaging box. Therefore, it is necessary to design a bag opening mechanism of a flexible packaging machine to solve the bag opening action in a flexible rotary packaging machine, so that it can participate in the automated production process, become a process in the packaging process, improve work efficiency, simplify the process and reduce production costs. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a bag opening mechanism of a flexible packaging machine to solve the problem that the traditional way of sheathing a packaging box or a packing case with a bag is manual operation. Workers manually put the packaging box or the packing case into a flexible outer packaging bag. This traditional bag sheathing method is time-consuming and laborious, with low efficiency, and it is difficult to cooperate with the whole production line to form an automated system, which is not conducive to the intelligent, automated and large-scale production process of the packaging box.

[0004] To solve the above technical problems, the utility model provides the following technical solution: A bag opening mechanism of a flexible packaging machine includes a bag opening base, a bag opening motor, an eccentric shaft sleeve, a guide rod, a right turning frame, a right shaft sleeve, a right retaining ring, a connecting piece, a left turning frame, a left shaft sleeve, a bag suction pipe, a pipe clamping part and a blowing pipe. A bag opening bottom shell is arranged at the top of the bag opening base. A bag opening support plate is fixedly connected to the bottom of one side of the bag opening bottom shell. A bag opening motor is fixedly connected to one side of the bag opening support plate. An eccentric shaft sleeve is fixedly connected to the output end of the bag opening motor. One end of the guide rod is rotatably connected to the eccentric shaft sleeve, and the other end of the guide rod is rotatably connected to the right turning frame. A right shaft sleeve is sleeved in the right turning frame. A connecting piece is rotatably connected to one side of the right turning frame, and one end of the connecting piece is rotatably connected to the left turning frame. A left shaft sleeve is sleeved in the left turning frame. Mounting frames are arranged at the bottoms of the left turning frame and the right turning frame, and bag suction pipes are arranged in the mounting frames.

[0005] As a further technical solution of the utility model, the guide rod is located inside the bag opening bottom shell.

[0006] As a further technical solution of the utility model, a right retaining ring is arranged on the right shaft sleeve, and the right retaining ring is attached to the right turning frame.

[0007] As a further technical solution of the present utility model, a closing plate is fixedly connected to the bag-opening bottom shell by screws.

[0008] As a further technical solution of the present utility model, both the right shaft sleeve and the left shaft sleeve are rotatably connected to the bag-opening vertical plate, the bag-opening vertical plate is fixedly connected to the top of the top support plate, and the top support plate is fixed to the top of the bag-opening bottom shell.

[0009] As a further technical solution of the present utility model, a closing frame is arranged on one side of the bag-opening vertical plate.

[0010] As a further technical solution of the present utility model, a pipe clamping member is arranged on the side of the bag-opening bottom shell far away from the bag-opening support plate, and a blowing pipe is fixedly sleeved in the pipe clamping member.

[0011] The bag-opening mechanism of the flexible packaging machine provided by the present utility model has the following advantages: the right shaft sleeve and the left shaft sleeve respectively provide rotational support for the right flipping frame and the left flipping frame, and at the same time, the right flipping frame and the left flipping frame are rotatably connected by a connecting member to form a linkage symmetric structure. During use, the bag-opening motor drives the eccentric shaft sleeve to rotate, so as to pull the bottom end of the guide rod to move, and then drive the right flipping frame to rotate through the guide rod. With the linkage symmetric structure, the suction pipes on the right flipping frame and the left flipping frame approach each other to adsorb the two sides of the top of the bag respectively. Then, the bag-opening motor drives the eccentric shaft sleeve to reverse, so that the suction pipes on both sides move away from each other, automatically completing the bag-opening process. It can participate in the automated production process and become a process in the packaging process, improving work efficiency, simplifying the process, and reducing production costs. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 It is an exploded view of the overall structure of the present utility model;

[0014] Figure 2 It is Figure 1 a partial enlarged view of area A in

[0015] Figure 3 a three-dimensional view of the overall structure of the present utility model.

[0016] In the figure: 1. Bag-opening base; 2. Bag-opening bottom shell; 3. Bag-opening support plate; 4. Bag-opening motor; 5. Eccentric bushing; 6. Guide rod; 7. Right turning frame; 8. Right bushing; 9. Right retaining ring; 10. Connecting piece; 11. Left turning frame; 12. Left bushing; 13. Bag-opening vertical plate; 14. Mounting frame; 15. Bag-sucking pipe; 16. Sealing plate; 17. Sealing frame; 18. Pipe clamping part; 19. Air-blowing pipe; 20. Top support plate. Detailed implementation manners

[0017] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "mounted", "connected" and "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] Please refer to the atta Figure 1 - atta Figure 3, an embodiment provided by the present utility model: a bag-opening mechanism of a flexible packaging machine, including a bag-opening base 1, a bag-opening motor 4, an eccentric bushing 5, a guide rod 6, a right turning frame 7, a right bushing 8, a right retaining ring 9, a connecting member 10, a left turning frame 11, a left bushing 12, a bag-sucking tube 15, a pipe clamping member 18 and a blowing tube 19. A bag-opening bottom shell 2 is arranged on the top of the bag-opening base 1. One side bottom of the bag-opening bottom shell 2 is fixedly connected with a bag-opening support plate 3. One side of the bag-opening support plate 3 is fixedly connected with a bag-opening motor 4. The output end of the bag-opening motor 4 is fixedly connected with an eccentric bushing 5. One end of the eccentric bushing 5 is rotatably connected with one end of the guide rod 6. The other end of the guide rod 6 is rotatably connected to the right turning frame 7. A right bushing 8 is sleeved in the right turning frame 7. One side of the right turning frame 7 is rotatably connected with a connecting member 10, and one end of the connecting member 10 is rotatably connected to the left turning frame 11. A left bushing 12 is sleeved in the left turning frame 11. Installation frames 14 are arranged at the bottoms of both the left turning frame 11 and the right turning frame 7. Bag-sucking tubes 15 are arranged in the installation frames 14; the guide rod 6 is located inside the bag-opening bottom shell 2; a right retaining ring 9 is arranged on the right bushing 8, and the right retaining ring 9 is attached to the right turning frame 7; a closing plate 16 is fixedly connected to the bag-opening bottom shell 2 by screws; both the right bushing 8 and the left bushing 12 are rotatably connected to a bag-opening vertical plate 13. The bag-opening vertical plate 13 is fixedly connected to the top of a top support plate 20, and the top support plate 20 is fixed to the top of the bag-opening bottom shell 2; a closing frame 17 is arranged on one side of the bag-opening vertical plate 13; a pipe clamping member 18 is arranged on the side of the bag-opening bottom shell 2 far away from the bag-opening support plate 3, and a blowing tube 19 is fixedly sleeved in the pipe clamping member 18. The blowing tube 19 is fixed to the top of the bag by the pipe clamping member 18 for assisting in opening the bag;

[0020] Specifically, during use, the right bushing 8 and the left bushing 12 respectively provide rotational support for the right turning frame 7 and the left turning frame 11. At the same time, the connecting member 10 rotatably connects the right turning frame 7 and the left turning frame 11 to form a linkage symmetric structure. During the use process, the bag-opening motor 4 drives the eccentric bushing 5 to rotate, pulling the bottom end of the guide rod 6 to move. Then, the guide rod 6 drives the right turning frame 7 to rotate. With the linkage symmetric structure, the bag-sucking tubes 15 on the right turning frame 7 and the left turning frame 11 approach each other to respectively adsorb both sides of the top of the bag. Then, the bag-opening motor 4 drives the eccentric bushing 5 to reverse, making the two bag-sucking tubes 15 move away from each other, automatically completing the bag-opening process, enabling it to participate in the automated production process and become a process in the packaging process, improving work efficiency, simplifying the process, and reducing production costs.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The bag-opening mechanism of a flexible packaging machine, comprising a bag-opening base (1), a bag-opening motor (4), an eccentric bushing (5), a guide rod (6), a right turning frame (7), a right bushing (8), a right retaining ring (9), a connecting member (10), a left turning frame (11), a left bushing (12), a bag-sucking pipe (15), a pipe clamping member (18), and a blowing pipe (19), characterized in that: At the top of the bag-opening base (1), there is a bag-opening bottom shell (2). At the bottom of one side of the bag-opening bottom shell (2), there is a fixedly connected bag-opening support plate (3). On one side of the bag-opening support plate (3), there is a fixedly connected bag-opening motor (4). The output end of the bag-opening motor (4) is fixedly connected with an eccentric bushing (5). One end of a guide rod (6) is rotatably connected to the eccentric bushing (5), and the other end of the guide rod (6) is rotatably connected to a right turning frame (7). A right bushing (8) is sleeved in the right turning frame (7). One side of the right turning frame (7) is rotatably connected with a connecting member (10), and one end of the connecting member (10) is rotatably connected to a left turning frame (11). A left bushing (12) is sleeved in the left turning frame (11). At the bottoms of both the left turning frame (11) and the right turning frame (7), there are mounting frames (14), and suction pipes (15) are arranged in the mounting frames (14).

2. The bag opening mechanism of a flexible packaging machine according to claim 1, characterized in that: The guide rod (6) is located inside the bag-opening bottom shell (2).

3. The bag-opening mechanism of a flexible packaging machine according to claim 1, characterized in that: A right retaining ring (9) is arranged on the right bushing (8), and the right retaining ring (9) is in contact with the right turning frame (7).

4. The bag-opening mechanism of a flexible packaging machine according to claim 2, characterized in that: A closing plate (16) is fixedly connected to the bag-opening bottom shell (2) by screws.

5. The bag opening mechanism of a flexible packaging machine according to claim 1, characterized in that: Both the right bushing (8) and the left bushing (12) are rotatably connected to a bag-opening vertical plate (13). The bag-opening vertical plate (13) is fixedly connected to the top of a top support plate (20), and the top support plate (20) is fixed to the top of the bag-opening bottom shell (2).

6. The bag opening mechanism of a flexible packaging machine according to claim 5, characterized in that: A closing frame (17) is arranged on one side of the bag-opening vertical plate (13).

7. The bag opening mechanism of a flexible packaging machine according to claim 1, characterized in that: On the side of the bag-opening bottom shell (2) far from the bag-opening support plate (3), there is a pipe clamping member (18), and a blowing pipe (19) is fixedly sleeved in the pipe clamping member (18).

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