Vacuumizing sealing mechanism of packaging machine

Abstract

The utility model provides a vacuumizing sealing mechanism of a packaging machine. Comprising a first vacuum chamber, a second vacuum chamber, a first heat-sealing clamp, a second heat-sealing clamp and a cutter, wherein the first vacuum chamber and the second vacuum chamber are separably and tightly attached between an upper packaging bag and a lower packaging bag; the first heat-sealing clamp is arranged in the first vacuum chamber; the second heat-sealing clamp is arranged in the second vacuum chamber; the second heat sealing clamp is horizontally and movably arranged between the upper packaging bag and the lower packaging bag and used for heat sealing of the bottom of the upper packaging bag and the opening of the lower packaging bag. According to the vacuumizing and sealing mechanism of the packaging machine, the operations of cutting, vacuumizing and heat sealing of the packaging bag are rapidly completed, the structure of equipment is compact and simple, cutting and heat sealing dislocation of the packaging bag is avoided, and the packaging quality of the packaging bag is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machinery technical field, concretely relates to a vacuum sealing mechanism of packing machine. BACKGROUND

[0002] With the continuous improvement of the food, medicine and other industries on product preservation requirements, vacuum packaging technology is widely used because it can effectively isolate oxygen and prolong the shelf life of products. The existing vacuum packaging machine usually inserts the vacuum pipe into the packaging bag filled with materials to perform vacuumizing, and then enters the heat sealing mechanism for heat sealing, and finally cuts the heat-sealed packaging bag.

[0003] However, in the continuous packaging process, especially when the upper and lower packaging bags are arranged in a synchronous manner, the traditional packaging machine often needs to arrange the vacuumizing mechanism, the heat sealing mechanism and the cutting mechanism in parallel in an upstream and downstream form, and the packaging bag is sequentially operated multiple times, which not only makes the equipment more complex and occupies a larger space, but also may cause uneven cutting or misalignment of the heat sealing part of the packaging bag, affecting the packaging quality. Therefore, the present application provides a vacuum sealing mechanism of a packaging machine to solve the above technical problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a vacuum sealing mechanism of a packaging machine, which clamps the packaging bag through vacuum chamber one and vacuum chamber two, then cuts the packaging bag through the cutter in vacuum chamber one, evacuates the air in the lower packaging bag to vacuum by vacuumizing vacuum chamber one and vacuum chamber two, and completes the heat sealing of the packaging bag by closing the heat sealing pliers one and two in vacuum chamber one and two. The vacuum sealing mechanism of the present application quickly completes the cutting, vacuumizing and heat sealing of the packaging bag, and the structure of the equipment is compact and simple, avoiding misalignment of the cutting and heat sealing of the packaging bag, and the packaging quality of the packaging bag is good.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a vacuum sealing mechanism of a packaging machine, comprising vacuum chamber one and vacuum chamber two which are separable and tightly attached between the upper packaging bag and the lower packaging bag, heat sealing pliers one arranged in vacuum chamber one, heat sealing pliers two arranged in vacuum chamber two, and a cutter horizontally movably arranged in vacuum chamber one and used for cutting the upper packaging bag and the lower packaging bag.

[0006] The edge of the vacuum chamber one is provided with an avoidance groove for discharging the air in the lower packaging bag, and the side of the vacuum chamber one is provided with an air suction pipe one, and the air suction pipe one is connected with an air suction pump.

[0007] The heat sealing jaw one comprises a heat sealing part one for heat sealing the bottom of the upper packaging bag, and a heat sealing part two for heat sealing the opening part of the lower packaging bag, the heat sealing jaw two comprises a heat sealing part three corresponding to the heat sealing part one, and a heat sealing part four corresponding to the heat sealing part two, the cutter is horizontally slidably arranged between the heat sealing part one and the heat sealing part two, and the cutting edge of the cutter is detachably arranged between the heat sealing part three and the heat sealing part four.

[0008] The side of the vacuum chamber two is provided with an exhaust pipe two, and the exhaust pump is connected to the exhaust pipe two.

[0009] The side of the vacuum chamber one is provided with a bearing block one, the bearing block one is provided with a cylinder one for driving the movement of the cutter, and the telescopic end of the cylinder one is connected with the cutter.

[0010] The side of the vacuum chamber two is provided with a bearing block two, the bearing block two is provided with a cylinder two for driving the movement of the heat sealing jaw two, and the telescopic end of the cylinder two is connected with the heat sealing jaw two.

[0011] The telescopic end of the cylinder two is provided with a bearing plate, the heat sealing jaw two is arranged on the bearing plate, the bearing block two is provided with a linear bearing, a guide shaft parallel to the telescopic end of the cylinder two is slidably arranged in the linear bearing, and the guide shaft is connected with the bearing plate.

[0012] The edge of the vacuum chamber one is provided with a sealing strip for sealing the upper packaging bag and the lower packaging bag, and the sealing strip is arranged away from the avoiding groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The packaging bag is clamped by the vacuum chamber one and the vacuum chamber two, then the packaging bag is cut by the cutter in the vacuum chamber one, the air in the lower packaging bag is exhausted to vacuum by vacuumizing the vacuum chamber one and the vacuum chamber two, the heat sealing of the packaging bag is completed by the heat sealing jaw one and the heat sealing jaw two in the vacuum chamber one and the vacuum chamber two, the cutting, vacuumizing and heat sealing of the packaging bag are quickly completed by the vacuumizing and sealing mechanism, the structure of the equipment is compact and simple, the cutting and heat sealing of the packaging bag are avoided, and the packaging quality of the packaging bag is good.

[0015] (2) The bottom of the upper packaging bag is heat sealed by the heat sealing part one and the heat sealing part three of the heat sealing jaw one, the opening part of the lower packaging bag is heat sealed by the heat sealing part two and the heat sealing part four, and the heat sealing of the upper packaging bag and the lower packaging bag is simultaneously completed, the heat sealing efficiency is high, and the heat sealing effect of the upper packaging bag and the lower packaging bag is good under the clamping action of the vacuum chamber one and the vacuum chamber two.

[0016] (3) The telescopic end of the second cylinder is provided with a bearing plate, the second heat sealing clamp is arranged on the bearing plate, a linear bearing is arranged on the second bearing block, a guide shaft parallel to the telescopic end of the second cylinder is slidably arranged in the linear bearing, and the guide shaft is connected with the bearing plate. Through the arrangement of the linear bearing, the operation of the bearing plate driven by the second cylinder is more stable and reliable, so that the heat sealing effect of the packaging bag is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 is a schematic diagram of the structure of the second vacuum chamber of the utility model;

[0019] Figure 3 is a schematic diagram of the sectional structure of the utility model;

[0020] Figure 4 is a schematic diagram of the A part of the utility model; Figure 3

[0021] Figure 5 is a schematic diagram of the heat sealing process of the utility model.

[0022] In the drawing, 1 is a first vacuum chamber, 101 is a first air extraction pipe, 102 is an avoiding groove, 2 is a second vacuum chamber, 201 is a second air extraction pipe, 3 is a first heat sealing clamp, 301 is a first heat sealing part, 302 is a second heat sealing part, 4 is a second heat sealing clamp, 401 is a third heat sealing part, 402 is a fourth heat sealing part, 5 is a cutter, 6 is a first bearing block, 7 is a first cylinder, 8 is a second bearing block, 9 is a second cylinder, 10 is a bearing plate, 11 is a linear bearing, 12 is a guide shaft, 13 is a sealing strip, 14 is an upper packaging bag, and 15 is a lower packaging bag. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical features of the scheme, the scheme will be described below through a specific implementation.

[0024] Referring to Figures 1-5 , a vacuum extraction and sealing mechanism of a packaging machine, comprising a first vacuum chamber 1 and a second vacuum chamber 2 which are separable and tightly attached between an upper packaging bag 14 and a lower packaging bag 15, a first heat sealing clamp 3 arranged in the first vacuum chamber 1, a second heat sealing clamp 4 arranged in the second vacuum chamber 2, a cutter 5 horizontally movably arranged in the first vacuum chamber 1 and used for cutting the upper packaging bag 14 and the lower packaging bag 15, and the second heat sealing clamp 4 is horizontally movably arranged between the upper packaging bag 14 and the lower packaging bag 15 and is respectively used for heat sealing the bottom of the upper packaging bag 14 and the mouth of the lower packaging bag 15.

[0025] ​The edge of the vacuum chamber one 1 is provided with an escape groove 102 for discharging air in the lower packaging bag 15, and the side of the vacuum chamber one 1 is provided with a suction pipe one 101 connected with a suction pump.

[0026] The heat sealing clamp one 3 comprises a heat sealing part one 301 for heat sealing the bottom of the upper packaging bag 14 and a heat sealing part two 302 for heat sealing the opening of the lower packaging bag 15, the heat sealing clamp two 4 comprises a heat sealing part three 401 corresponding to the heat sealing part one 301 and a heat sealing part four 402 corresponding to the heat sealing part two 302, and the cutter 5 is horizontally slidably arranged between the heat sealing part one 301 and the heat sealing part two 302, and the cutting edge of the cutter 5 is detachably arranged between the heat sealing part three 401 and the heat sealing part four 402.

[0027] The side of the escape groove 102 is provided with a plurality of suction holes one for adsorbing one side of the lower packaging bag 15, the suction holes one are communicated with the vacuum chamber one 1, and the edge of the vacuum chamber two 2 is correspondingly provided with a plurality of suction holes two for adsorbing the other side of the lower packaging bag 15, and the suction holes two are communicated with the vacuum chamber two 2.

[0028] The side of the vacuum chamber two 2 is provided with a suction pipe two 201 connected with a suction pump.

[0029] The side of the vacuum chamber one 1 is provided with a bearing block one 6, the bearing block one 6 is provided with a cylinder one 7 for driving the cutter 5 to move, and the telescopic end of the cylinder one 7 is connected with the cutter 5.

[0030] The side of the vacuum chamber two 2 is provided with a bearing block two 8, the bearing block two 8 is provided with a cylinder two 9 for driving the heat sealing clamp two 4 to move, and the telescopic end of the cylinder two 9 is connected with the heat sealing clamp two 4.

[0031] The telescopic end of the cylinder two 9 is provided with a bearing plate 10, the heat sealing clamp two 4 is arranged on the bearing plate 10, the bearing block two 8 is provided with a linear bearing 11, a guide shaft 12 parallel to the telescopic end of the cylinder two 9 is slidably arranged in the linear bearing 11, and the guide shaft 12 is connected with the bearing plate 10.

[0032] The edge of the vacuum chamber one 1 is provided with a sealing strip 13 for sealing the upper packaging bag 14 and the lower packaging bag 15, and the sealing strip 13 is arranged away from the escape groove 102; the side of the vacuum chamber one 1 is provided with a sealing ring, the telescopic end of the cylinder one 7 is arranged through the sealing ring, the side of the vacuum chamber two 2 is also provided with a sealing ring, the telescopic end of the cylinder two 9 is arranged through the sealing ring, and the sealing ring is arranged to make the telescopic end of the cylinder one 7 and the cylinder two 9 have better sealing effect when passing through the vacuum chamber one 1 and the vacuum chamber two 2.

[0033] The specific working process of the utility model is as follows:

[0034] In use, the carrier block one 6 and the carrier block two 8 are connected and installed on the driving mechanism, so that the carrier block one 6 and the carrier block two 8 can move horizontally opposite to each other, when the lower packaging bag 15 is filled with materials, and the conveying between the upper packaging bag 14 and the lower packaging bag 15 is between the vacuum chamber one 1 and the vacuum chamber two 2, the driving mechanism is started, the vacuum chamber one 1 and the vacuum chamber two 2 are closed and clamped between the upper packaging bag 14 and the upper packaging bag 14, and are clamped firmly to avoid the lower packaging bag 15 from falling;

[0035] Referring to Figure 3 , the air cylinder one 7 is started, the telescopic end of the air cylinder one 7 drives the cutter 5 to move, the cutting edge of the cutter 5 extends out to cut and separate the upper packaging bag 14 and the lower packaging bag 15; after the packaging bag is cut and separated, the air suction pump is started, referring to Figure 4 , the air in the vacuum chamber one 1 and the vacuum chamber two 2 is sucked through the air suction pipe one 101 and the air suction pipe two 201, under the suction effect of the negative pressure of the vacuum chamber one 1 and the vacuum chamber two 2, the air in the lower packaging bag 15 is discharged from the packaging bag opening to the vacuum chamber one 1 and the vacuum chamber two 2 along the avoiding groove 102, and is sucked out by the air suction pump, so that the vacuum state is formed in the lower packaging bag 15;

[0036] Further, when the air suction pump is running, the suction holes one and two respectively suck the two sides of the lower packaging bag 15, so that the opening of the lower packaging bag 15 becomes larger, and the discharge of the air in the lower packaging bag 15 is further promoted.

[0037] Referring to Figure 4 , when the lower packaging bag 15 is sucked to the vacuum state, the heat sealing pliers one 3, the heat sealing pliers two 4 and the air cylinder two 9 are started, the air cylinder two 9 drives the heat sealing pliers two 4 to close to the heat sealing pliers one 3 through the carrier plate 10, the bottom of the upper packaging bag 14 is heat sealed through the heat sealing part one 301 of the heat sealing pliers one 3 and the heat sealing part three 401 of the heat sealing pliers two 4, and the opening of the lower packaging bag 15 filled with materials and having been vacuumized is heat sealed, so that the cutting, vacuumizing and heat sealing of the upper packaging bag 14 and the lower packaging bag 15 are completed.

[0038] The packaging bag is clamped by the vacuum chamber one 1 and the vacuum chamber two 2, then the packaging bag is cut by the cutter 5 in the vacuum chamber one 1, the air in the lower packaging bag 15 is discharged and vacuumized by vacuumizing the vacuum chamber one 1 and the vacuum chamber two 2, the heat sealing of the packaging bag is completed by closing the heat sealing pliers one 3 and the heat sealing pliers two 4 in the vacuum chamber one 1 and the vacuum chamber two 2, the cutting, vacuumizing and heat sealing of the packaging bag are quickly completed by the vacuumizing and sealing mechanism, the structure of the equipment is compact and simple, the cutting and heat sealing of the packaging bag are avoided from being misaligned, and the packaging quality of the packaging bag is better.

[0039] The bottom of the upper packaging bag 14 is heat-sealed by the heat-sealing part one 301 and the heat-sealing part three 401 of the heat-sealing clamp one 3, and the mouth of the lower packaging bag 15 is heat-sealed by the heat-sealing part two 302 and the heat-sealing part four 402, and the heat-sealing operation of the upper packaging bag 14 and the lower packaging bag 15 is completed at the same time, so that the heat-sealing efficiency is higher, and the heat-sealing effect of the upper packaging bag 14 and the lower packaging bag 15 is better under the clamping action of the vacuum chamber one 1 and the vacuum chamber two 2.

[0040] The telescopic end of the cylinder two 9 is provided with a bearing plate 10, the heat-sealing clamp two 4 is arranged on the bearing plate 10, the bearing block two 8 is provided with a linear bearing 11, the linear bearing 11 is slidably provided with a guide shaft 12 parallel to the telescopic end of the cylinder two 9, the guide shaft 12 is connected with the bearing plate 10, and the linear bearing 11 is arranged, so that the operation of the bearing plate 10 driven by the cylinder two 9 is more stable and reliable, and the heat-sealing effect of the packaging bag is improved.

[0041] The technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled persons in the technical field within the essential scope of the utility model should also be within the protection scope of the utility model.

Claims

1. A vacuum-pumping sealing mechanism of a packaging machine, characterized in that, The vacuum chamber one (1) and the vacuum chamber two (2) are separable and tightly attached between the upper packaging bag (14) and the lower packaging bag (15), the heat sealing clamp one (3) is arranged in the vacuum chamber one (1), the heat sealing clamp two (4) is arranged in the vacuum chamber two (2), the cutter (5) is horizontally movably arranged in the vacuum chamber one (1) and used for cutting the upper packaging bag (14) and the lower packaging bag (15), the heat sealing clamp two (4) is horizontally movably arranged between the upper packaging bag (14) and the lower packaging bag (15) and used for heat sealing the bottom of the upper packaging bag (14) and the opening of the lower packaging bag (15) respectively. The edge of the vacuum chamber one (1) is provided with an avoiding groove (102) for discharging air in the lower packaging bag (15), and the side of the vacuum chamber one (1) is provided with a suction pipe one (101), and the suction pipe one (101) is connected with a suction pump.

2. The vacuum-pumping and sealing mechanism of a packaging machine according to claim 1, characterized in that, The heat sealing clamp one (3) comprises a heat sealing part one (301) for heat sealing the bottom of the upper packaging bag (14) and a heat sealing part two (302) for heat sealing the opening of the lower packaging bag (15), the heat sealing clamp two (4) comprises a heat sealing part three (401) corresponding to the heat sealing part one (301) and a heat sealing part four (402) corresponding to the heat sealing part two (302), the cutter (5) is horizontally slidably arranged between the heat sealing part one (301) and the heat sealing part two (302), and the cutting edge of the cutter (5) is separably arranged between the heat sealing part three (401) and the heat sealing part four (402).

3. A vacuum-pumping and sealing mechanism of a packaging machine according to claim 2, characterized in that, The side of the vacuum chamber two (2) is provided with a suction pipe two (201), and the suction pipe two (201) is connected with a suction pump.

4. The vacuum-pumping and sealing mechanism of a packaging machine according to claim 2, characterized in that, The side of the vacuum chamber one (1) is provided with a bearing block one (6), the bearing block one (6) is provided with a cylinder one (7) for driving the cutter (5) to move, and the telescopic end of the cylinder one (7) is connected with the cutter (5).

5. The vacuum-pumping and sealing mechanism of a packaging machine according to claim 2, characterized in that, The side of the vacuum chamber two (2) is provided with a bearing block two (8), the bearing block two (8) is provided with a cylinder two (9) for driving the heat sealing clamp two (4) to move, and the telescopic end of the cylinder two (9) is connected with the heat sealing clamp two (4).

6. A vacuum-pumping and sealing mechanism of a packaging machine according to claim 5, characterized in that, The telescopic end of the cylinder two (9) is provided with a bearing plate (10), the heat sealing clamp two (4) is arranged on the bearing plate (10), the bearing block two (8) is provided with a linear bearing (11), the linear bearing (11) is slidably arranged with a guide shaft (12) parallel to the telescopic end of the cylinder two (9), and the guide shaft (12) is connected with the bearing plate (10).

7. The vacuum-pumping and sealing mechanism of a packaging machine according to claim 2, characterized in that, The edge of the vacuum chamber one (1) is provided with a sealing strip (13) for sealing the upper packaging bag (14) and the lower packaging bag (15), and the sealing strip (13) is arranged away from the avoiding groove (102).

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