Vacuum sealing mechanism

Abstract

The utility model provides a vacuum sealing mechanism which comprises a top plate, a movable plate, an upper sealing cutter, a lower sealing cutter, an extraction opening, a blanking mechanism, a closing mechanism, two connecting rods and a mounting plate, the closing mechanism is connected to the mounting plate, one ends of the two connecting rods are connected to the mounting plate, and the other ends of the two connecting rods are connected to the top plate. The movable plate is connected to the movable end of the closing mechanism, an outer cavity is formed in the lower side of the top plate, an inner cavity is formed in the upper side of the movable plate, the upper sealing cutter is fixedly connected into the outer cavity and fixedly connected to the movable end of the blanking mechanism, the extraction opening 8 communicates with the outer cavity, and the lower sealing cutter is fixedly connected into the inner cavity. The top plate is provided with a first isolation strip around the outer cavity, and the movable plate is provided with a second isolation strip around the inner cavity. According to the vacuum sealing mechanism, the sealing strip is designed, a product of a vacuum packaging bag and water are isolated outside the sealed cavity, water can be prevented from being sucked by a vacuum machine, the structure is simple, and the effect is remarkable.

Description

Technical Field

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

[0002] Existing food vacuum packaging machines generally include an exhaust module and a sealing module. It is necessary to manually put food of a predetermined weight into a vacuum packaging bag and manually adjust the position of the vacuum packaging bag to facilitate the sealing module to seal the vacuum packaging bag. Most aquatic products are frozen for long-term storage or transportation, but freezing will make the taste of aquatic products worse and affect product quality. The exhaust module of the current food vacuum packaging machine is inserted into the entire vacuum packaging bag. When exhausting aquatic products, water will enter the exhaust module, causing equipment damage.

[0003] Therefore, it is necessary to provide a new vacuum sealing mechanism to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a vacuum sealing mechanism.

[0005] The utility model provides a vacuum sealing mechanism, comprising a top plate, a movable plate, an upper sealing knife, a lower sealing knife, an air extraction port, a punching mechanism, a closing mechanism, two connecting rods and a mounting plate, wherein the closing mechanism is connected to the mounting plate, one end of the two connecting rods is connected to the mounting plate, the other end of the two connecting rods is connected to the top plate, the movable plate is connected to the movable end of the closing mechanism, an outer cavity is arranged at the lower side of the top plate, an inner cavity is arranged at the upper side of the movable plate, the upper sealing knife is fixedly connected to the outer cavity, the upper sealing knife is fixedly connected to the movable end of the punching mechanism, the air extraction port is connected to the outer cavity, the lower sealing knife is fixedly connected to the inner cavity, the movable plate pushes the lower inner cavity and the outer cavity at the movable end of the closing mechanism to form a closed cavity, and heating rods are arranged in the upper sealing knife and the lower sealing knife;

[0006] The top plate is provided with a first isolation strip around the outer cavity, and the movable plate is provided with a second isolation strip around the inner cavity.

[0007] Preferably, the top plate is provided with an adjusting top screw for adjusting the position of the upper sealing knife.

[0008] Preferably, two guide rods are provided on the mounting plate, and the movable plate is slidably connected to the two guide rods.

[0009] Preferably, the position of the first isolation strip corresponds to the position of the second isolation strip.

[0010] Preferably, the movable plate is provided with a buffer rubber ring at the fixing position of the lower sealing knife.

[0011] Preferably, a punching guide block is provided on one side of the top plate.

[0012] Compared with the related art, the vacuum sealing mechanism provided by the utility model has the following beneficial effects:

[0013] The utility model provides a vacuum sealing mechanism, which is designed with a sealing strip to isolate the product and water in the vacuum packaging bag outside the closed cavity, thereby preventing water from being sucked by the vacuum machine. The utility model has a simple structure and significant effect. The utility model has a top screw adjustment for adjusting the position of the upper sealing knife, which can adjust the height difference according to the bag opening size of the vacuum packaging bag, and has good applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the vacuum sealing mechanism provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the explosion structure of the vacuum sealing mechanism provided by the utility model.

[0016] Numbers in the figure: 1. top plate, 11. outer cavity, 12. first isolation strip, 13. punching guide block, 14. adjusting top screw, 2. movable plate, 21. inner cavity, 22. second isolation strip, 221. second groove, 3. mounting plate, 31. guide rod, 4. closing mechanism, 5. punching mechanism, 6. upper sealing knife, 7. lower sealing knife, 71. buffer rubber ring, 8. exhaust port. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0018] Please refer to Figure 1 and Figure 2 ,in, Figure 1 This is a schematic diagram of the overall structure of the vacuum sealing mechanism provided by the utility model; Figure 2 This is a schematic diagram of the explosion structure of the vacuum sealing mechanism provided by the utility model.

[0019] In the specific implementation process, Figure 1 and Figure 2As shown, a vacuum sealing mechanism comprises a top plate 1, a movable plate 2, an upper sealing knife 6, a lower sealing knife 7, an air suction port 8, a punching mechanism 5, a closing mechanism 4, two connecting rods and a mounting plate 3, wherein the closing mechanism 4 is connected to the mounting plate 3, one end of the two connecting rods is connected to the mounting plate 3, the other end of the two connecting rods is connected to the top plate 1, the movable plate 2 is connected to the movable end of the closing mechanism 4, an outer cavity 11 is arranged on the lower side of the top plate 1, an inner cavity 21 is arranged on the upper side of the movable plate 2, the upper sealing knife 6 is fixedly connected to the outer cavity 11, the upper sealing knife 6 is fixedly connected to the movable end of the punching mechanism 5, the air suction port 8 is connected to the outer cavity 11, the lower sealing knife 7 is fixedly connected to the inner cavity 21, the movable plate 2 pushes the lower inner cavity 21 and the outer cavity 11 at the movable end of the closing mechanism 4 to form a closed cavity, and heating rods are arranged in both the upper sealing knife 6 and the lower sealing knife 7. The closing mechanism 4 is a closing cylinder, which controls the movable plate 2 and the top plate 1 to close or open. When the movable plate 2 and the top plate 1 are closed, the inner cavity 21 and the outer cavity 11 form a closed cavity; the air suction port 8 can be connected to an external vacuum machine to extract the air in the closed cavity; the blanking mechanism 5 is two blanking cylinders, and the telescopic rods of the two blanking cylinders are fixedly connected to the upper sealing knife 6. When sealing, the blanking cylinder extends the upper sealing knife 6, and the heating rods of the upper sealing knife 6 and the lower sealing knife 7 are heated to seal the bag opening of the vacuum packaging bag.

[0020] The top plate 1 is provided with an adjusting screw 14 for adjusting the position of the upper sealing knife 6. The adjusting screw 14 adjusts the position of the upper sealing knife 6 when it is retracted, that is, the adjusting screw 14 adjusts the height difference between the upper sealing knife 6 and the lower sealing knife 7, and can adjust the height difference according to the bag opening size of the vacuum packaging bag, which has good applicability.

[0021] Two guide rods 31 are arranged on the mounting plate 3 , and the movable plate 2 is slidably connected to the two guide rods 31 . The two guide rods 31 can assist the movable plate 2 to move along the set position, thereby reducing errors and avoiding mistakes.

[0022] The top plate 1 is provided with a first isolation strip 12 around the outer cavity 11, and the first isolation strip 12 surrounds the outer cavity 11 on the lower side of the top plate 1; the movable plate 2 is provided with a second isolation strip 22 around the inner cavity 21, and the first isolation strip 12 surrounds the inner cavity 21 on the upper side of the movable plate 2. The position of the first isolation strip 12 corresponds to the position of the second isolation strip 22, the top plate 1 is provided with a first groove for placing the first isolation strip 12, and the movable plate 2 is provided with a second groove 221 for placing the second isolation strip 22. When the top plate 1 and the movable plate 2 are closed, the first isolation strip 12 and the second isolation strip 22 are squeezed together to seal the closed cavity and isolate the water and product in the vacuum packaging bag outside the closed cavity. The air extraction port 8 is connected to the vacuum machine to extract the air in the vacuum packaging bag to prevent the water in the vacuum packaging bag from entering the vacuum machine, which has good practicality.

[0023] The movable plate 2 is provided with a buffer rubber ring 71 at the fixing position of the lower sealing knife 7. The buffer rubber ring 71 buffers the pressure of the punching mechanism 5 to a certain extent and reduces the rigidity damage.

[0024] A punching guide block 13 is provided on one side of the top plate 1. The punching guide block 13 is a beveled edge that is inclined toward the inner cavity 21. The vacuum packaging bag is conveyed from one side of the punching guide block 13, and the bag mouth of the vacuum packaging bag is guided between the inner cavity 21 and the outer cavity 11 to facilitate subsequent operations.

[0025] The working principle provided by the utility model is as follows: the bag opening of the vacuum packaging bag is introduced into the space between the inner cavity 21 and the outer cavity 11 along the punching guide block 13, the closing mechanism 4 extends the movable plate 2, and the bag opening of the vacuum packaging bag is closed in the sealed inner cavity 21 and the outer cavity 11, and the water and the product are isolated outside the sealed cavity under the action of the first isolation strip 12 and the second isolation strip 22. The vacuum machine extracts the air of the closed cavity and the vacuum packaging bag through the exhaust port 8, and isolates the water and the product from being extracted by the vacuum machine on the outside, so that the vacuum packaging bag maintains a vacuum state, the two punching cylinders extend the upper sealing knife 6 of the telescopic rod, and the heating rods of the upper sealing knife 6 and the lower sealing knife 7 are heated to seal the bag opening of the vacuum packaging bag, the two punching cylinders retract the upper sealing knife 6 of the telescopic rod, the closing mechanism 4 retracts the movable plate 2, the movable plate 2 is separated from the top plate 1, and the vacuum packaging bag is removed, completing the vacuum sealing of the water-containing product by the vacuum packaging bag.

[0026] The utility model provides a vacuum sealing mechanism, which is designed with a sealing strip to isolate the product and water in the vacuum packaging bag outside the closed cavity, thereby preventing water from being sucked by the vacuum machine. The utility model has a simple structure and significant effect. The utility model has a top screw adjustment for adjusting the position of the upper sealing knife 6, which can adjust the height difference according to the bag size of the vacuum packaging bag, and has good applicability.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vacuum sealing mechanism, characterized in that: The invention comprises a top plate (1), a movable plate (2), an upper sealing knife (6), a lower sealing knife (7), an air extraction port (8), a punching mechanism (5), a closing mechanism (4), two connecting rods and a mounting plate (3), wherein the closing mechanism (4) is connected to the mounting plate (3), one end of the two connecting rods is connected to the mounting plate (3), the other ends of the two connecting rods are connected to the top plate (1), the movable plate (2) is connected to the movable end of the closing mechanism (4), an outer cavity (11) is arranged on the lower side of the top plate (1), and the movable plate (2) is connected to the movable end of the closing mechanism (4). An inner cavity (21) is arranged on the upper side of the plate (2), the upper sealing knife (6) is fixedly connected to the outer cavity (11), the upper sealing knife (6) is fixedly connected to the movable end of the punching mechanism (5), the air suction port (8) is connected to the outer cavity (11), the lower sealing knife (7) is fixedly connected to the inner cavity (21), the movable plate (2) pushes the lower inner cavity (21) and the outer cavity (11) at the movable end of the closing mechanism (4) to form a closed cavity, and heating rods are arranged in both the upper sealing knife (6) and the lower sealing knife (7); The top plate (1) is provided with a first isolation strip (12) around the outer cavity (11), and the movable plate (2) is provided with a second isolation strip (22) around the inner cavity (21).

2. The vacuum sealing mechanism according to claim 1, characterized in that: The top plate (1) is provided with an adjusting top screw (14) for adjusting the position of the upper sealing knife (6).

3. The vacuum sealing mechanism according to claim 1, characterized in that: Two guide rods (31) are arranged on the mounting plate (3), and the movable plate (2) is slidably connected to the two guide rods (31).

4. The vacuum sealing mechanism according to claim 1, characterized in that: The position of the first isolation strip (12) corresponds to the position of the second isolation strip (22).

5. The vacuum sealing mechanism according to claim 1, characterized in that: The movable plate (2) is provided with a buffer rubber ring (71) at the position where the lower sealing knife (7) is fixed.

6. The vacuum sealing mechanism according to claim 1, characterized in that: A punching guide block (13) is provided on one side of the top plate (1).

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