Sealing mechanism for fine powder packaging machine

Abstract

The utility model discloses a sealing mechanism for a fine powder packaging machine, which comprises a mounting rack, two sides of the bottom end of the mounting rack are respectively and fixedly connected with a group of supporting plates, the bottom end of one side of each supporting plate is fixedly connected with a reinforcing plate, and one end of the mounting rack is fixedly connected with a fixing groove. According to the sealing mechanism for the fine powder packaging machine, the fixing groove is formed, during sealing, after a bag opening of a packaging bag is placed in the mounting frame, a third air cylinder is started to push a pressing plate to move, meanwhile, a first air cylinder is started to push an electric heating box and a push plate to move, the bag opening of the packaging bag is flattened, and then the electric heating box is started to heat a metal strip; the bag opening position of the plastic packaging bag is melted while the heating metal strip is heated, so that the bag openings are quickly bonded together to achieve sealing, a limiting groove in the mounting frame can limit the pressing plate and the push plate through a limiting block, stable movement of the pressing plate and the push plate is guaranteed, and the problem that the sealing assembly cannot be automatically driven is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fine powder packaging, in particular to a sealing mechanism for a fine powder packaging machine. Background Art

[0002] In the field of industrial production, various fine powder materials produced need to be packaged in plastic packaging bags for easy storage and transportation. In order to speed up the packaging efficiency, a special fine powder packaging machine is needed to package these fine powder materials. After the fine powder packaging machine puts the fine powder materials into the packaging bag, a special sealing mechanism is required to seal the packaging bag;

[0003] However, the sealing mechanism used in fine powder packaging machines still has some defects in use. When sealing, the sealing assembly cannot be automatically driven to seal, and manual assistance is required for sealing, resulting in certain safety hazards during sealing;

[0004] A novel sealing mechanism for fine powder packaging machine is now proposed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a sealing mechanism for a fine powder packaging machine to solve the problem that the sealing assembly cannot be automatically driven in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a sealing mechanism for a fine powder packaging machine, comprising a mounting frame, a group of support plates are fixedly connected to both sides of the bottom end of the mounting frame, a reinforcing plate is fixedly connected to the bottom end of one side of the support plate, a fixing groove is fixedly connected to one end of the mounting frame, and a driving mechanism for automatic sealing is arranged inside the mounting frame;

[0007] The driving mechanism includes a pressing plate and a pushing plate. A pressing plate is provided at one end of the mounting frame, and a pushing plate is provided at the other end of the mounting frame. A first cylinder is fixedly connected to one end of the fixing groove, and an output end of the first cylinder extends to the inside of the fixing groove and is fixedly connected to an electric heating box. The electric heating box is fixedly connected to the pushing plate, and a heating metal strip is fixedly connected to one end of the pushing plate. A third cylinder is fixedly connected to one end of the mounting frame, and a group of limit blocks are fixedly connected to both sides of the pressing plate and the pushing plate, and a group of limit grooves are respectively opened on both sides of the mounting frame.

[0008] Preferably, the limiting block is slidably connected to the limiting groove, and the output end of the third cylinder extends to the inside of the mounting frame and is fixedly connected to the pressing plate.

[0009] Preferably, the center line of the pressing plate and the center line of the pushing plate are on the same horizontal plane, and the electric heating box is electrically connected to the heating metal strip.

[0010] Preferably, a protective frame is provided on one side of the support plate, second baffles are fixedly connected to both ends of the interior of the protective frame, a roller is movably connected to the outside of the second baffle, a positioning shaft is fixedly connected to one side of the second baffle, a second cylinder is fixedly connected to one side of the support plate, a limiting rod is fixedly connected to the top end of one side of the protective frame, a limiting hole is provided at the top end of one side of the support plate, and the limiting rod passes through the limiting hole and is fixedly connected to the first baffle.

[0011] Preferably, the limiting rod is slidably connected to the limiting hole, and the positioning shafts at both ends of the protective frame are arranged at equal intervals.

[0012] Preferably, the output end of the second cylinder passes through the support plate and is fixedly connected to the protective frame, and the roller is movably connected to the second baffle.

[0013] Preferably, a cavity is provided at the bottom end of the support plate, a hydraulic rod is fixedly connected to the inside of the cavity, a lifting groove is provided on one side of the support plate, the output end of the hydraulic rod extends to the inside of the lifting groove and is fixedly connected to a connecting frame, and the bottom end of the connecting frame is fixedly connected to a lifting base plate.

[0014] Preferably, the center line of the lifting base plate and the center line of the mounting frame are on the same vertical plane, and the connecting frame is movably connected to the lifting slot.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the sealing mechanism for the fine powder packaging machine can not only automatically drive the sealing assembly to seal, but also effectively support the packaging bag to prevent the packaging bag from tipping over during sealing, and can also automatically lift up the packaging bag to facilitate sealing;

[0016] (1) By providing a fixing groove, a first cylinder, a pressing plate, a third cylinder, a heated metal strip, a push plate, an electric heating box and a limit block, when sealing, after the bag mouth of the packaging bag is placed inside the mounting frame, the third cylinder is started to push the pressing plate to move, and at the same time, the first cylinder is started to push the electric heating box and the push plate to move, firstly the bag mouth of the packaging bag is flattened, and then the electric heating box is started to heat the metal strip, and the heated metal strip is heated while melting the bag mouth of the plastic packaging bag, so that the bag mouth is quickly adhered together to achieve sealing, and the limit groove inside the mounting frame can limit the pressing plate and the push plate through the limit block, so as to ensure the stable movement of the two groups, and realize that the sealing component can be automatically driven to seal;

[0017] (2) By providing a support plate, a limiting rod, a second cylinder, a first baffle, a roller, a protective frame, a second baffle, a positioning shaft and a limiting hole, when sealing, a packaging bag containing fine powder material is placed on the top of the lifting bottom plate, and then the second cylinder is started to push the protective frame to move. While the protective frame moves, it drives the roller to fit the outside of the packaging bag, thereby effectively supporting the packaging bag and preventing the packaging bag from tilting or tipping over to affect the sealing. The limiting rod fits inside the limiting hole to effectively limit the protective frame, thereby increasing the supporting force of the protective frame, and achieving support for the packaging bag during sealing;

[0018] (3) By providing a lifting slot, a cavity, a hydraulic rod, a lifting base plate and a connecting frame, before sealing, a packaging bag containing fine powder material is placed on the top of the lifting base plate, and then the hydraulic rod is started to drive the lifting base plate to rise through the connecting frame. When the lifting base plate rises, the packaging bag is also driven to rise, so that the bag mouth of the packaging bag can be automatically sent into the interior of the mounting frame for sealing, thereby realizing that the packaging bag can be automatically lifted to a suitable height for sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of a top-view cross-sectional structure of the mounting frame of the utility model;

[0021] Figure 3 This is a schematic diagram of the top view of the protective frame of the utility model;

[0022] Figure 4 It is a side structural schematic diagram of the support plate of the utility model.

[0023] In the figure: 1. mounting frame; 2. fixing groove; 3. first cylinder; 4. supporting plate; 5. limiting rod; 6. second cylinder; 7. lifting groove; 8. cavity; 9. hydraulic rod; 10. lifting base plate; 11. connecting frame; 12. reinforcing plate; 13. first baffle plate; 14. roller; 15. protective frame; 16. second baffle plate; 17. positioning shaft; 18. pressing plate; 19. third cylinder; 20. heating metal strip; 21. pushing plate; 22. electric heating box; 23. limiting block; 24. limiting groove; 25. limiting hole. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4 A sealing mechanism for a fine powder packaging machine comprises a mounting frame 1, a group of support plates 4 are fixedly connected to both sides of the bottom end of the mounting frame 1, a reinforcing plate 12 is fixedly connected to the bottom end of one side of the support plate 4, a fixing groove 2 is fixedly connected to one end of the mounting frame 1, and a driving mechanism for automatic sealing is arranged inside the mounting frame 1;

[0026] The driving mechanism includes a pressing plate 18 and a pushing plate 21. The pressing plate 18 is arranged at one end of the mounting frame 1, and the pushing plate 21 is arranged at the other end of the mounting frame 1. One end of the fixing groove 2 is fixedly connected to the first cylinder 3. The output end of the first cylinder 3 extends to the inside of the fixing groove 2 and is fixedly connected to the electric heating box 22. The electric heating box 22 is fixedly connected to the pushing plate 21. One end of the pushing plate 21 is fixedly connected to a heating metal strip 20. One end of the mounting frame 1 is fixedly connected to the third cylinder 19. A group of limit blocks 23 are fixedly connected to both sides of the pressing plate 18 and the pushing plate 21, and a group of limit grooves 24 are respectively opened on both sides of the mounting frame 1.

[0027] The limiting block 23 is slidably connected to the limiting groove 24, and the output end of the third cylinder 19 extends to the inside of the mounting frame 1 and is fixedly connected to the pressing plate 18;

[0028] The center line of the pressing plate 18 and the center line of the pushing plate 21 are on the same horizontal plane, and the electric heating box 22 is electrically connected to the heating metal strip 20;

[0029] Specifically, Figure 1 and Figure 2 As shown, when sealing, after the bag mouth of the packaging bag is placed inside the mounting frame 1, the third cylinder 19 is started to push the pressure plate 18 to move, and the first cylinder 3 is started to push the electric heating box 22 and the push plate 21 to move. The bag mouth of the packaging bag is first flattened, and then the electric heating box 22 is started to heat the metal strip 20. The heated metal strip 20 melts the bag mouth of the plastic packaging bag while heating it, so that the bag mouth is quickly adhered together to achieve sealing. The limiting groove 24 inside the mounting frame 1 can limit the pressure plate 18 and the push plate 21 through the limiting block 23, thereby ensuring the stable movement of the two groups, thereby realizing that the sealing component can be automatically driven to seal.

[0030] Embodiment 2: A protective frame 15 is provided on one side of the support plate 4, and the two ends of the interior of the protective frame 15 are fixedly connected with the second baffle 16, and the outside of the second baffle 16 is movably connected with the roller 14, and one side of the second baffle 16 is fixedly connected with the positioning shaft 17, and one side of the support plate 4 is fixedly connected with the second cylinder 6, and the top of one side of the protective frame 15 is fixedly connected with the limiting rod 5, and the top of one side of the support plate 4 is provided with a limiting hole 25, and the limiting rod 5 passes through the limiting hole 25 and is fixedly connected with the first baffle 13;

[0031] The limiting rod 5 is slidably connected to the limiting hole 25, and the positioning shafts 17 at both ends of the protective frame 15 are arranged at equal intervals;

[0032] The output end of the second cylinder 6 passes through the support plate 4 and is fixedly connected to the protection frame 15, and the roller 14 is movably connected to the second baffle 16;

[0033] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when sealing, the packaging bag containing fine powder material is placed on the top of the lifting base plate 10, and then the second cylinder 6 is started to push the protective frame 15 to move. While the protective frame 15 moves, it drives the roller 14 to fit the outside of the packaging bag, so as to effectively support the packaging bag and prevent the packaging bag from tilting or tipping over to affect the sealing. The limiting rod 5 fits inside the limiting hole 25 to effectively limit the protective frame 15, thereby increasing the supporting force of the protective frame 15 and achieving support for the packaging bag during sealing.

[0034] Embodiment 3: A cavity 8 is provided at the bottom end of the support plate 4, a hydraulic rod 9 is fixedly connected to the inside of the cavity 8, a lifting slot 7 is provided on one side of the support plate 4, an output end of the hydraulic rod 9 extends to the inside of the lifting slot 7 and is fixedly connected to a connecting frame 11, and a lifting bottom plate 10 is fixedly connected to the bottom end of the connecting frame 11;

[0035] The center line of the lifting bottom plate 10 and the center line of the mounting frame 1 are on the same vertical plane, and the connecting frame 11 is movably connected to the lifting slot 7;

[0036] Specifically, Figure 1 and Figure 4 As shown, before sealing, the packaging bag containing fine powder material is placed on the top of the lifting base plate 10, and then the hydraulic rod 9 is started to drive the lifting base plate 10 to rise through the connecting frame 11. The lifting base plate 10 is raised and the packaging bag is driven to rise at the same time, so that the bag mouth of the packaging bag can be automatically sent into the interior of the mounting frame 1 for sealing, thereby realizing that the packaging bag can be automatically lifted to a suitable height for sealing.

[0037] Working principle: When the utility model is used, before sealing, the packaging bag containing fine powder material is placed on the top of the lifting bottom plate 10, and then the hydraulic rod 9 is started to drive the lifting bottom plate 10 to rise through the connecting frame 11. When the lifting bottom plate 10 is raised, the packaging bag is also driven to rise, so that the bag mouth of the packaging bag can be automatically sent to the inside of the mounting frame 1 for sealing. When sealing, the packaging bag containing fine powder material is placed on the top of the lifting bottom plate 10, and then the second cylinder 6 is started to push the protective frame 15 to move. When the protective frame 15 moves, it drives the roller 14 to fit the outside of the packaging bag, so that the packaging bag can be effectively supported to prevent the packaging bag from tilting or tipping. When sealing, the limiting rod 5 fits inside the limiting hole 25, which can effectively limit the protective frame 15 and improve the supporting force of the protective frame 15. When sealing, after the bag mouth of the packaging bag is placed inside the mounting frame 1, the third cylinder 19 is started to push the pressure plate 18 to move, and the first cylinder 3 is started to push the electric heating box 22 and the push plate 21 to move. First, the bag mouth of the packaging bag is flattened, and then the electric heating box 22 is started to heat the metal strip 20. The heating of the metal strip 20 melts the bag mouth of the plastic packaging bag while heating it, so that the bag mouth is quickly adhered together to achieve sealing. The limiting groove 24 inside the mounting frame 1 can limit the pressure plate 18 and the push plate 21 through the limiting block 23 to ensure the stable movement of the two groups.

Claims

1. A sealing mechanism for a fine powder packaging machine, comprising a mounting frame (1), characterized in that: A group of support plates (4) are fixedly connected to both sides of the bottom end of the mounting frame (1), a reinforcing plate (12) is fixedly connected to the bottom end of one side of the support plate (4), a fixing groove (2) is fixedly connected to one end of the mounting frame (1), and a driving mechanism for automatic sealing is arranged inside the mounting frame (1); The driving mechanism comprises a pressing plate (18) and a pushing plate (21); a pressing plate (18) is arranged at one end of the interior of the mounting frame (1); a pushing plate (21) is arranged at the other end of the interior of the mounting frame (1); a first cylinder (3) is fixedly connected to one end of the fixing groove (2); an output end of the first cylinder (3) extends to the interior of the fixing groove (2) and is fixedly connected to an electric heating box (22); the electric heating box (22) is fixedly connected to the pushing plate (21); a heating metal strip (20) is fixedly connected to one end of the pushing plate (21); a third cylinder (19) is fixedly connected to one end of the mounting frame (1); a group of limit blocks (23) are fixedly connected to both sides of the pressing plate (18) and the pushing plate (21); and a group of limit grooves (24) are respectively provided on both sides of the interior of the mounting frame (1).

2. The sealing mechanism for a fine powder packaging machine according to claim 1, characterized in that: The limiting block (23) is slidably connected to the limiting groove (24), and the output end of the third cylinder (19) extends to the inside of the mounting frame (1) and is fixedly connected to the pressing plate (18).

3. The sealing mechanism for a fine powder packaging machine according to claim 1, characterized in that: The center line of the pressing plate (18) and the center line of the pushing plate (21) are on the same horizontal plane, and the electric heating box (22) is electrically connected to the heating metal strip (20).

4. The sealing mechanism for a fine powder packaging machine according to claim 1, characterized in that: A protective frame (15) is provided on one side of the support plate (4), and the two ends of the interior of the protective frame (15) are fixedly connected to a second baffle (16), the exterior of the second baffle (16) is movably connected to a roller (14), and one side of the second baffle (16) is fixedly connected to a positioning shaft (17), and one side of the support plate (4) is fixedly connected to a second cylinder (6), and the top end of one side of the protective frame (15) is fixedly connected to a limiting rod (5), and a limiting hole (25) is provided at the top end of one side of the support plate (4), and the limiting rod (5) passes through the limiting hole (25) and is fixedly connected to the first baffle (13).

5. The sealing mechanism for a fine powder packaging machine according to claim 4, characterized in that: The limiting rod (5) is slidably connected to the limiting hole (25), and the positioning shafts (17) at both ends of the protection frame (15) are arranged at equal intervals.

6. The sealing mechanism for a fine powder packaging machine according to claim 4, characterized in that: The output end of the second cylinder (6) passes through the support plate (4) and is fixedly connected to the protection frame (15), and the roller (14) is movably connected to the second baffle (16).

7. The sealing mechanism for a fine powder packaging machine according to claim 1, characterized in that: A cavity (8) is provided at the bottom end of the support plate (4), a hydraulic rod (9) is fixedly connected to the inside of the cavity (8), a lifting groove (7) is provided on one side of the support plate (4), an output end of the hydraulic rod (9) extends to the inside of the lifting groove (7) and is fixedly connected to a connecting frame (11), and a lifting bottom plate (10) is fixedly connected to the bottom end of the connecting frame (11).

8. The sealing mechanism for a fine powder packaging machine according to claim 7, characterized in that: The center line of the lifting base plate (10) and the center line of the mounting frame (1) are on the same vertical plane, and the connecting frame (11) is movably connected to the lifting slot (7).

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