Heat sealing mechanism of packaging machine

Abstract

The utility model is suitable for the technical field of packaging, and provides a heat sealing mechanism of a packaging machine, which comprises a top plate, a bottom plate, a top plate and a bottom plate, the driving pieces are arranged below the top plate, and heat sealing cutters are arranged at the output ends of the driving pieces; the cleaning set is arranged on the heat sealing cutter and comprises a main driving part and a secondary driving part which are fixedly connected to the heat sealing cutter, a moving block is arranged at the output end of the main driving part, and the main driving part drives the moving block to move; the packaging bag heat sealing device has the advantages that heat sealing can be carried out on a preset packaging bag through a set of heat sealing cutters, the heat sealing cutters can be rapidly cleaned through a cleaning set, the heat sealing effect is prevented from being affected by foreign matter on the heat sealing cutters, and the packaging bag heat sealing device is simple in structure, convenient to use and high in practicability. Meanwhile, the problem that the heat-sealing device works abnormally due to the fact that the packaging bag cannot be separated from the heat-sealing cutter is solved.

Description

Technical Field

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

[0002] A general packaging machine seals a food bag through a heat-sealing assembly, placing the product between two heat-sealing knives to seal the opening of the product. However, during the sealing process, there is a problem that the food bag sticks to the heat-sealing knife and is difficult to separate, causing the packaging machine to work abnormally, or foreign matter on the food bag sticks to the heat-sealing knife, thereby affecting the heat-sealing effect.

[0003] A Chinese patent with patent announcement number CN219524465U discloses a heat sealing component of a packaging machine, including a fixed frame, a conveyor belt is arranged on the side of the fixed frame, a limiting element is arranged on the surface of the conveyor belt, the limiting element includes a limiting plate slidably connected to the upper surface of the conveyor belt and an inclined plate fixedly connected to one end of the limiting plate, the top of the fixed frame is fixedly connected to a support plate, the bottom surface of the support plate is fixedly installed with a first electric telescopic rod, the lower surface of the first electric telescopic rod is fixedly installed with a heat sealing element, the heat sealing element includes a movable heat sealing knife and a fixed heat sealing knife; the new type of heat sealing knife used above cannot be automatically cleaned, and foreign matter on the heat sealing knife will affect the heat sealing effect.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a heat sealing mechanism for a packaging machine, which can quickly clean the heat sealing knife to prevent foreign matter on the heat sealing knife from affecting the heat sealing effect, and at the same time solve the problem that the packaging bag cannot be separated from the heat sealing knife, causing abnormal operation of the heat sealing device.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a heat-sealing mechanism of a packaging machine, comprising: a top plate; a group of driving members arranged under the top plate, and a heat-sealing knife is arranged at the output end of each group of the driving members; a cleaning group arranged on the heat-sealing knife, and the cleaning group comprises a main driving member and a secondary driving member respectively fixed to the heat-sealing knife, and a moving block is arranged at the output end of the main driving member, and the main driving member drives the moving block to move; a scraper slidably connected to the moving block, a pulling rod is hinged on the scraper, and the secondary driving member drives the pulling rod to move.

[0007] According to the heat-sealing mechanism of the packaging machine of the utility model, a screw is provided at the output end of the main driving member, a moving block is screwed onto the screw, and the screw is rotatably connected to the heat-sealing knife.

[0008] According to the heat sealing mechanism of the packaging machine of the utility model, a connecting rod is hinged on the scraper, the connecting rod is arranged in a track, the track is fixed to the heat sealing knife, the connecting rod is slidably connected to the moving block, and an elastic member is arranged on the outer sleeve of the connecting rod.

[0009] According to the heat sealing mechanism of the packaging machine of the utility model, a rotating shaft is provided at the output end of the secondary driving member, an inclined block is provided on the rotating shaft, both ends of the inclined block abut against limiting rods, two limiting rods are fixedly connected to the pulling block, and the pulling block is arranged in the track.

[0010] According to the heat-sealing mechanism of the packaging machine of the utility model, the heat-sealing knife is provided with a groove, and the scraper is arranged in the groove.

[0011] According to the heat-sealing mechanism of the packaging machine of the utility model, a guide rail is provided below the heat-sealing knife.

[0012] The utility model provides a heat-sealing mechanism of a packaging machine, comprising: a top plate; a group of driving members arranged under the top plate, a group of output ends of the driving members being provided with heat-sealing knives; a cleaning group arranged on the heat-sealing knives, the cleaning group comprising a main driving member and a secondary driving member respectively fixed to the heat-sealing knives, a moving block being provided at the output end of the main driving member, and the main driving member driving the moving block to move; a scraper slidably connected to the moving block, a pulling rod being hinged on the scraper, and the secondary driving member driving the pulling rod to move: the beneficial effects of the utility model: a preset packaging bag can be heat-sealed by a group of heat-sealing knives, the heat-sealing knives can be quickly cleaned by the cleaning group, foreign matter on the heat-sealing knives can be prevented from affecting the heat-sealing effect, and the problem of abnormal operation of the heat-sealing device caused by the inability of the packaging bag to detach from the heat-sealing knife is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the cleaning group structure of the utility model;

[0016] Figure 4 This utility model Figure 3 A cross-sectional schematic diagram of

[0017] In the figure, 1-top plate, 11-fixed plate, 2-telescopic member, 3-heat sealing knife, 31-screw, 32-main driving member, 33-track, 34-groove, 4-guide rail, 5-scraper, 51-pull rod, 52-connecting rod, 53-pull block, 54-limiting rod, 55-elastic member, 6-secondary driving member, 61-inclined block, 62-rotating shaft, 7-moving block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figures 1 to 4 The utility model provides a packaging machine heat sealing mechanism, which includes: a top plate 1; a group of driving members arranged under the top plate 1, and the output ends of the group of driving members are all provided with heat sealing knives 3; a cleaning group arranged on the heat sealing knife 3, and the cleaning group includes a main driving member 32 and a secondary driving member 6 respectively fixed to the heat sealing knife 3, and the output end of the main driving member 32 is provided with a moving block 7, and the main driving member drives the moving block 7 to move; a scraper 5 slidably connected to the moving block 7, and a pulling rod 51 is hinged on the scraper 5, and the secondary driving member 6 drives the pulling rod 51 to move: the beneficial effects of the utility model: a group of heat sealing knives 3 can be used to heat seal a preset packaging bag, and the cleaning group can be used to quickly clean the heat sealing knife 3 to prevent foreign matter on the heat sealing knife 3 from affecting the heat sealing effect, and at the same time solve the problem that the packaging bag cannot be separated from the heat sealing knife 3, resulting in abnormal operation of the heat sealing device.

[0020] See also Figures 1 to 4 Preferably, the output end of the main driving member 32 of the utility model is provided with a screw 31, the moving block 7 is screwed on the screw 31, and the screw 31 is rotatably connected to the heat sealing knife 3, and the rotation of the screw 31 can drive the moving block 7 to move.

[0021] See also Figures 1 to 4 In addition, a connecting rod 52 is hinged on the scraper 5 of the utility model, and the connecting rod 52 is arranged in the track 33. The track 33 is fixed to the heat sealing knife 3, and the connecting rod 52 is slidably connected to the moving block 7. The outer sleeve of the connecting rod 52 is provided with an elastic member 55, which can drive the scraper 5 to be close to the heat sealing knife 3.

[0022] See also Figures 1 to 4 Furthermore, a rotating shaft 62 is provided at the output end of the secondary driving member 6 of the utility model, and an inclined block 61 is provided on the rotating shaft 62. Both ends of the inclined block 61 abut against limit rods 54. The two limit rods 54 are fixed to the pulling block 53. The pulling block 53 is arranged in the track 33, and the rotating shaft 62 is set as a retractable rod, which can be retracted when the two heat sealing knives 3 move relative to or away from each other.

[0023] See also Figures 1 to 4 Better yet, a groove 34 is provided on the heat sealing knife of the utility model, the scraper 5 is arranged in the groove 34, and a guide rail 4 is provided below the heat sealing knife 3 to guide the packaging bag.

[0024] Working principle: Start the telescopic member 2, which is fixed to the top plate 1 through the fixing plate 11. The telescopic member 2 drives the two heat-sealing knives 3 to move relative to each other to heat-seal the packaging bag. At this time, the scraper 5 is set in the groove 34 to avoid scratching the packaging bag.

[0025] After the heat sealing is completed, the secondary driving member 6 drives the rotating shaft 62 to rotate, controls the inclined block 61 to rotate, and the inclined block 61 drives the pulling rod 51 to move through the limit rods 54 on both sides. The two pulling rods 51 move relative to each other, driving the two scrapers 5 to form an angle with the heat sealing knife 3, so that the heat sealing knife 3 can be cleaned; start the main driving member 32, drive the moving block 7 to drive the connecting rod 52 to move, when the scraper 5 moves outward from the groove 34, the connecting rod 52 slides in the moving block 7, and a retaining ring is provided on the connecting rod 52, and the two ends of the elastic member 55 are respectively in contact with the retaining ring and the heat sealing knife 3, and the main driving member 32 drives the moving block 7 to drive the scraper 5 to move through the connecting rod 52, so as to quickly clean the foreign matter on the heat sealing knife 3.

[0026] In summary, the utility model provides a heat-sealing mechanism of a packaging machine, comprising: a top plate; a group of driving members arranged under the top plate, a group of output ends of the driving members being provided with heat-sealing knives; a cleaning group arranged on the heat-sealing knife, the cleaning group comprising a main driving member and a secondary driving member respectively fixed to the heat-sealing knife, the output end of the main driving member being provided with a moving block, and the main driving drives the moving block to move; a scraper slidably connected to the moving block, a pulling rod being hinged on the scraper, and the secondary driving member drives the pulling rod to move: The beneficial effects of the utility model: a preset packaging bag can be heat-sealed by a group of heat-sealing knives, the heat-sealing knife can be quickly cleaned by the cleaning group, and foreign matter on the heat-sealing knife can be prevented from affecting the heat-sealing effect, and the problem that the packaging bag cannot be separated from the heat-sealing knife, resulting in abnormal operation of the heat-sealing device, is solved.

[0027] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A heat sealing mechanism for a packaging machine, characterized in that: include: roof; A group of driving members are arranged under the top plate, and the output ends of the group of driving members are all provided with heat sealing knives; A cleaning group is arranged on the heat sealing knife, the cleaning group comprises a main driving member and a secondary driving member respectively fixed to the heat sealing knife, a moving block is arranged at the output end of the main driving member, and the main driving member drives the moving block to move; A scraper is slidably connected to the moving block, a pulling rod is hinged on the scraper, and the secondary driving member drives the pulling rod to move.

2. The heat sealing mechanism of the packaging machine according to claim 1, characterized in that: The output end of the main driving member is provided with a screw rod, a moving block is screwed on the screw rod, and the screw rod is rotatably connected to the heat sealing knife.

3. The heat sealing mechanism of the packaging machine according to claim 1, characterized in that: A connecting rod is hinged on the scraper, the connecting rod is arranged in a track, the track is fixed to the heat sealing knife, and the connecting rod is slidably connected to the moving block, and an elastic piece is arranged on the outer sleeve of the connecting rod.

4. The heat sealing mechanism of the packaging machine according to claim 1, characterized in that: The output end of the secondary driving member is provided with a rotating shaft, the rotating shaft is provided with an inclined block, both ends of the inclined block abut against limiting rods, two limiting rods are fixedly connected to a pulling block, and the pulling block is arranged in the track.

5. The heat sealing mechanism of the packaging machine according to claim 1, characterized in that: The heat sealing knife is provided with a groove, and the scraper is arranged in the groove.

6. The heat sealing mechanism of the packaging machine according to claim 1, characterized in that: A guide rail is arranged below the heat sealing knife.

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