Sealing mechanism for flexible packaging machine

Abstract

The utility model discloses a sealing mechanism for a flexible packaging machine, which comprises a sealing air cylinder, an air cylinder gasket, an air cylinder joint, a swing rod frame, a swing rod shaft, a first pull arm, a second pull arm, a tool apron baffle, a heat insulation plate and a sealing tool apron, the output end of the sealing air cylinder is fixedly sleeved with the air cylinder gasket, and the air cylinder gasket is fixedly connected with the air cylinder joint; the air cylinder connector is rotationally connected to the swing rod frame, and the swing rod frame is rotationally connected to the swing rod shaft. According to the sealing device, the swing rod shaft serves as a rotating support of the swing rod frame, the first connecting rod and the second connecting rod can drive the first pull arm and the second pull arm to relatively move in the opposite directions in the rotating process of the swing rod frame, and then the heat insulation plates on the two sides and the sealing tool apron can be driven to be close to each other under the action of the sealing air cylinder; after the bag opening is extruded, automatic sealing is achieved in cooperation with a temperature controller, manual intervention of the operation process is not needed, automatic production can be conducted, the working procedure is simple, the working efficiency is high, and therefore the production cost of packaging sealing is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical packaging, and particularly relates to a sealing mechanism for a flexible packaging machine. Background Technique

[0002] Vacuum packaging of granular materials is a packaging method in which all the air in the packaging container is pumped out and sealed, also known as reduced-pressure packaging; this packaging method effectively extends the shelf life of granular materials and protects them from environmental pollution by maintaining a highly reduced-pressure state inside the bag, enabling microorganisms to lose their living conditions, so that this packaging equipment has been widely used in the fields of food, pharmaceuticals, chemicals, and agriculture. The existing sealing mechanisms for vacuum packaging of granular materials can basically meet the usage requirements of daily production. In actual use, workers place two layers of plastic films on a support table and seal the edges of the plastic films with a heat-sealing knife to form plastic bags. The operation process requires manual intervention, cannot achieve automated production, the process is cumbersome, the work efficiency is low, and the production cost of packaging and sealing is increased; therefore, it is necessary to design a sealing mechanism for a flexible packaging machine. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a sealing mechanism for a flexible packaging machine to solve the problems that the operation process of the existing sealing mechanism requires manual intervention, cannot achieve automated production, the process is cumbersome, the work efficiency is low, and the production cost of packaging and sealing is increased.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: A sealing mechanism for a flexible packaging machine, including a sealing cylinder, a cylinder gasket, a cylinder joint, a swing rod frame, a swing rod shaft, a first pull arm, a second pull arm, a first pull rod, a second pull rod, a knife seat baffle, a heat insulation plate, and a sealing knife seat. The output end of the sealing cylinder is fixedly sleeved with a cylinder gasket, and a cylinder joint is fixedly connected in the cylinder gasket. The cylinder joint is rotatably connected to the swing rod frame, the swing rod frame is rotatably connected to the swing rod shaft, the top and bottom of the swing rod frame are respectively rotatably connected with a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are respectively rotatably connected to the first pull arm and the second pull arm through pins, the first pull arm and the second pull arm are respectively sleeved with a first shaft sleeve and a second shaft sleeve, and the first pull rod and the second pull rod are respectively sleeved in the first shaft sleeve and the second shaft sleeve.

[0005] As a further technical solution of the utility model, the first pull rod and the second pull rod are respectively slidably connected to the first bearing seat and the second bearing seat through linear bearings.

[0006] As a further technical solution of the utility model, the first bearing seat and the second bearing seat are both fixed on the front end cover, and the front end cover is fixed on the main support plate.

[0007] As a further technical solution of the present utility model, a left side plate is provided on one side of the top of the main support plate, and a swing rod shaft is fixedly connected to the left side plate.

[0008] As a further technical solution of the present utility model, a cylinder housing is fixedly connected to the bottom of the main support plate, and a sealing cylinder is fixedly sleeved in the cylinder housing.

[0009] As a further technical solution of the present utility model, a sealing housing is provided on the top of the main support plate, a temperature controller is provided on the sealing housing, a left side plate is fixedly connected to one side of the inner wall of the sealing housing, and the sealing housing is fixedly connected to the front end cover.

[0010] As a further technical solution of the present utility model, a first fixing seat and a second fixing seat are respectively sleeved on the first pull rod and the second pull rod, knife seat baffles are provided on both the first fixing seat and the second fixing seat, heat insulation plates are fixedly connected to both the first fixing seat and the second fixing seat, and a sealing knife seat is fixedly connected to one side of the heat insulation plate.

[0011] The sealing mechanism for a flexible packaging machine provided by the present utility model has the following advantages: the swing rod shaft serves as the rotational support of the swing rod frame, and the first connecting rod and the second connecting rod symmetrically rotationally connected to the top and bottom of the swing rod frame will drive the first pull arm and the second pull arm to relatively move in opposite directions during the rotation of the swing rod frame. During use, the sealing cylinder is used as the power input to drive the cylinder gasket and the cylinder joint to move up and down to realize the rotation of the swing rod frame, and then drive the knife seat baffles, heat insulation plates and sealing knife seats on both sides to approach each other through the first pull arm and the second pull arm. After squeezing the bag mouth, it cooperates with the temperature controller to realize automatic sealing, without manual intervention in the operation process, can carry out automated production, the process is simple, the work efficiency is high, thereby reducing the production cost of packaging and sealing. 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, other drawings can be obtained based on these drawings without creative efforts.

[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 It is a three-dimensional view of the overall structure of the present utility model.

[0016] In the figure: 1. Sealing cylinder; 2. Cylinder gasket; 3. Cylinder joint; 4. Swing rod frame; 5. Swing rod shaft; 6. First connecting rod; 7. Second connecting rod; 8. First pull arm; 9. Second pull arm; 10. First bushing; 11. Second bushing; 12. First pull rod; 13. Second pull rod; 14. First bearing seat; 15. Second bearing seat; 16. Front end cover; 17. Main support plate; 18. Left side plate; 19. Cylinder housing; 20. Sealing housing; 21. Thermostat; 22. First fixing seat; 23. Second fixing seat; 24. Tool holder baffle; 25. Heat insulation plate; 26. Sealing tool holder. 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 "installed", "connected" and "connected" 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 communication inside 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 sealing mechanism for a flexible packaging machine, including a sealing cylinder 1, a cylinder gasket 2, a cylinder joint 3, a swing rod frame 4, a swing rod shaft 5, a first pull arm 8, a second pull arm 9, a first pull rod 12, a second pull rod 13, a tool holder baffle 24, a heat insulation plate 25 and a sealing tool holder 26. A cylinder gasket 2 is fixedly sleeved on the output end of the sealing cylinder 1, and a cylinder joint 3 is fixedly connected in the cylinder gasket 2. The cylinder joint 3 is rotatably connected to the swing rod frame 4, and the swing rod frame 4 is rotatably connected to the swing rod shaft 5. The top and bottom of the swing rod frame 4 are respectively rotatably connected with a first connecting rod 6 and a second connecting rod 7. The first connecting rod 6 and the second connecting rod 7 are respectively rotatably connected to the first pull arm 8 and the second pull arm 9 through pins. The first pull arm 8 and the second pull arm 9 are respectively sleeved with a first shaft sleeve 10 and a second shaft sleeve 11. The first shaft sleeve 10 and the second shaft sleeve 11 are respectively sleeved with a first pull rod 12 and a second pull rod 13. The first pull rod 12 and the second pull rod 13 are respectively slidably connected to the first bearing seat 14 and the second bearing seat 15 through linear bearings. The first bearing seat 14 and the second bearing seat 15 are both fixed on the front end cover 16, and the front end cover 16 is fixed on the main support plate 17. On one side of the top of the main support plate 17, there is a left side plate 18, and the swing rod shaft 5 is fixedly connected to the left side plate 18. At the bottom of the main support plate 17, there is a cylinder housing 19 fixedly connected, and the sealing cylinder 1 is fixedly sleeved in the cylinder housing 19. On the top of the main support plate 17, there is a sealing housing 20. A temperature controller 21 is arranged on the sealing housing 20. On one side of the inner wall of the sealing housing 20, there is a left side plate 18 fixedly connected, and the sealing housing 20 is fixedly connected to the front end cover 16. The first pull rod 12 and the second pull rod 13 are respectively sleeved with a first fixing seat 22 and a second fixing seat 23. Tool holder baffles 24 are arranged on both the first fixing seat 22 and the second fixing seat 23. Heat insulation plates 25 are fixedly connected to both the first fixing seat 22 and the second fixing seat 23, and a sealing tool holder 26 is fixedly connected to one side of the heat insulation plate 25. The heat insulation plate 25 is used to isolate heat and prevent the fixing seat from deforming due to overheating.

[0020] Specifically, during use, with the swing rod shaft 5 as the rotational support of the swing rod frame 4, the first connecting rod 6 and the second connecting rod 7 symmetrically and rotatably connected to the top and bottom of the swing rod frame 4 will drive the first pull arm 8 and the second pull arm 9 to relatively move in opposite directions during the rotation of the swing rod frame 4. During the use process, with the sealing cylinder 1 as the power input, it drives the cylinder gasket 2 and the cylinder joint 3 to move up and down to realize the rotation of the swing rod frame 4. Then, through the first pull arm 8 and the second pull arm 9, it drives the tool holder baffles 24, heat insulation plates 25 and sealing tool holders 26 on both sides to approach each other, squeeze the bag mouth, and cooperate with the temperature controller 21 to achieve automatic sealing. There is no need for manual intervention in the operation process, and automated production can be carried out. The process is simple, the work efficiency is high, and thus the production cost of packaging and sealing is reduced.

[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 perform equivalent replacements for 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. A sealing mechanism for a flexible packaging machine, comprising a sealing cylinder (1), a cylinder gasket (2), a cylinder joint (3), a swing rod frame (4), a swing rod shaft (5), a first pulling arm (8), a second pulling arm (9), a first pull rod (12), a second pull rod (13), a tool holder baffle (24), a heat insulation plate (25) and a sealing tool holder (26), characterized in that: A cylinder gasket (2) is fixedly sleeved on the output end of the sealing cylinder (1), and a cylinder joint (3) is fixedly connected in the cylinder gasket (2). The cylinder joint (3) is rotatably connected to a swing rod frame (4), and the swing rod frame (4) is rotatably connected to a swing rod shaft (5). The top and bottom of the swing rod frame (4) are respectively rotatably connected to a first connecting rod (6) and a second connecting rod (7). The first connecting rod (6) and the second connecting rod (7) are respectively rotatably connected to a first pulling arm (8) and a second pulling arm (9) through pin joints. A first shaft sleeve (10) and a second shaft sleeve (11) are respectively sleeved on the first pulling arm (8) and the second pulling arm (9). A first pull rod (12) and a second pull rod (13) are respectively sleeved in the first shaft sleeve (10) and the second shaft sleeve (11).

2. The sealing mechanism for a flexible packaging machine according to claim 1, characterized in that: The first pull rod (12) and the second pull rod (13) are respectively slidably connected in a first bearing seat (14) and a second bearing seat (15) through linear bearings.

3. The sealing mechanism for a flexible packaging machine according to claim 2, characterized in that: Both the first bearing seat (14) and the second bearing seat (15) are fixed on a front end cover (16), and the front end cover (16) is fixed on a main support plate (17).

4. A sealing mechanism for a flexible packaging machine according to claim 3, characterized in that: A left side plate (18) is arranged on one side of the top of the main support plate (17), and the swing rod shaft (5) is fixedly connected to the left side plate (18).

5. The sealing mechanism for a flexible packaging machine according to claim 4, wherein: The bottom of the main support plate (17) is fixedly connected to a cylinder housing (19), and the sealing cylinder (1) is fixedly sleeved in the cylinder housing (19).

6. The sealing mechanism for a flexible packaging machine according to claim 5, characterized in that: A sealing housing (20) is arranged on the top of the main support plate (17). A thermostat (21) is arranged on the sealing housing (20). One side of the inner wall of the sealing housing (20) is fixedly connected to the left side plate (18), and the sealing housing (20) is fixedly connected to the front end cover (16).

7. The sealing mechanism for a flexible packaging machine according to claim 1, characterized in that: A first fixing seat (22) and a second fixing seat (23) are respectively sleeved on the first pull rod (12) and the second pull rod (13). Knife seat baffles (24) are arranged on both the first fixing seat (22) and the second fixing seat (23). Heat insulation plates (25) are fixedly connected to both the first fixing seat (22) and the second fixing seat (23), and a sealing knife seat (26) is fixedly connected to one side of the heat insulation plate (25).

Images