A sanitary napkin packaging machine

Abstract

The sanitary napkin packaging machine of the present invention comprises a frame, a reeling mechanism, a tail end sealing mechanism and a bag making and film cutting mechanism, wherein the reeling mechanism is connected to the side of the frame, and the tail end sealing mechanism is connected to the upper end of the frame, and the packaging film is released through the reeling mechanism and passes through the tail end sealing mechanism and the bag making and film cutting mechanism in sequence. The tension of the cylinder assembly can be adjusted by the air pressure valve to ensure that the packaging film is always in a tensioned state and will not be broken or deformed, which can reduce the difficulty of debugging and improve the debugging efficiency; since the tension force is easy to adjust, when the packaging film product is changed, the tension force can be quickly adjusted to improve the change speed of the packaging film product. The position of the tail end sealing mechanism can be conveniently adjusted according to the required sealing length of the packaging bag by adjusting the position of the sliding seat on the sliding guide rail, thereby improving the product change efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of sanitary napkin packaging, in particular to a sanitary napkin packaging machine. Background Art

[0002] With the popularization of automated equipment and the increasing labor costs, the packaging of products (including paper towels, cotton towels, sanitary napkins and other sanitary products) is generally achieved through a packaging machine, which generally includes a packaging host and a product conveying mechanism, a packaging bag conveying mechanism and a finished product conveying mechanism. The product conveying mechanism provides products to the packaging machine body, and the packaging bag conveying mechanism provides packaging bags to the packaging machine body. The packaging machine body puts the product into the packaging bag and then conveys it outward through the finished product conveying device. Before packaging, the packaging film needs to be tail-sealed and cut to form a packaging bag. The position of the sealing structure in the prior art is fixed, and only packaging bags of a predetermined size can be processed. In addition, the prior art film cutting generally controls the size of the packaging bag by changing the rotation speed of the traction roller, which reduces the processing efficiency of the packaging bag. Summary of the invention

[0003] In order to overcome at least some of the defects in the prior art, an embodiment of the present invention provides a sanitary napkin packaging machine with a simple structure and easy use, which can improve the processing efficiency of the packaging film and the debugging efficiency when the packaging film is replaced, thereby improving the processing efficiency of the packaging film.

[0004] The present invention relates to a sanitary napkin packaging machine, comprising a frame, an unwinding mechanism, a tail end sealing mechanism and a bag making and film cutting mechanism, wherein the unwinding mechanism is connected to the side of the frame, and the tail end sealing mechanism is connected to the upper end of the frame, and the packaging film is unwound through the unwinding mechanism and passes through the tail end sealing mechanism and the bag making and film cutting mechanism in sequence;

[0005] The unwinding mechanism comprises an unwinding motor assembly, a fixed roller assembly, a film-drawing roller assembly, a pressure regulating valve and an electronic ruler. The unwinding motor assembly has a rotatable unwinding roller, and the unwinding roller is connected to a material unwinding tray with a packaging film wound thereon. The packaging film passes through the fixed roller assembly and the film-drawing roller assembly in sequence. The frame is connected to a mounting plate, and the unwinding motor assembly, the fixed roller assembly, the film-drawing roller assembly, the pressure regulating valve and the electronic ruler are all connected to the mounting plate.

[0006] The tail end sealing mechanism includes a sliding guide rail, a sliding seat and a heating sealing mechanism, the sliding guide rail is connected to the frame, the sliding seat is connected to the sliding guide rail and the sliding seat can slide along the sliding guide rail, the heating sealing mechanism is connected to the sliding seat, the heating sealing mechanism includes an upper heating component and a lower heating component, and a hot pressing zone for heating and pressing the packaging film is formed between the upper heating component and the lower heating component.

[0007] Furthermore, the mounting plate is defined as having a first mounting surface and a second mounting surface, the fixed roller assembly, the film-drawing roller assembly, the pressure regulating valve and the electronic ruler are arranged on the first mounting surface, the fixed roller assembly includes a plurality of fixed rollers, and the fixed rollers are connected to the first mounting surface, the film-drawing roller assembly includes a film-drawing connecting plate and a plurality of film-drawing rollers connected to the film-drawing connecting plate, a slide groove is provided on the film-drawing connecting plate, a slide rail is connected to the first mounting surface, the slide rail is at least partially located in the slide groove, the film-drawing connecting plate can move linearly along the slide rail, one end of the film-drawing connecting plate is connected to a cylinder assembly for pushing or pulling the film-drawing connecting plate to move, the cylinder assembly is installed on the first mounting surface, the cylinder assembly is connected to the pressure regulating valve through a pipeline, the electronic ruler is connected to the first mounting surface and the electronic ruler is located below the film-drawing connecting plate.

[0008] Furthermore, a first guide roller and a second guide roller are also connected to the first mounting surface, and the number of the unwinding motor assemblies is 2, one of the unwinding motor assemblies is connected to the left side of the first mounting surface, and the first guide roller and the second guide roller are arranged below the unwinding motor assembly on the left side of the first mounting surface, and the other unwinding motor assembly is connected to the right side of the first mounting surface, and a third guide roller is also connected to the first mounting surface, and the third guide roller is arranged below the unwinding motor assembly on the right side of the first mounting surface.

[0009] Furthermore, the unwinding motor assembly includes an unwinding motor and a reducer, the unwinding motor is transmission-connected to the reducer, the output shaft of the reducer passes through the mounting plate and the output shaft is connected to the unwinding roller, and the unwinding motor and the reducer are connected to the second mounting surface.

[0010] Furthermore, the cylinder assembly includes a tie rod cylinder and an L-shaped connecting plate, the L-shaped connecting plate includes a first plate body and a second plate body, the first plate body is connected to the tie rod cylinder, and the second plate body is connected to the connecting plate.

[0011] Furthermore, the heating and sealing mechanism includes a heat sealing connecting frame, the heat sealing connecting frame is connected to the sliding seat, the upper end of the heat sealing connecting frame is connected to an upper connecting plate, the lower end of the heat sealing connecting frame is connected to a lower connecting plate, the upper heating component is connected to the upper connecting plate, and the lower heating component is connected to the lower connecting plate.

[0012] Furthermore, the upper heating assembly includes an upper clamping cylinder, an upper pressure plate, an upper guide rod, an upper pull plate and an upper thermal insulation connecting block, the upper guide rod passes through the upper connecting plate, the upper end of the upper guide rod is connected to the upper pull plate, the lower end of the upper guide rod is connected to the upper pressure plate, the upper clamping cylinder is connected to the upper surface of the upper connecting plate, the cylinder rod of the upper clamping cylinder is connected to the upper pull plate through a floating joint, the lower surface of the upper pressure plate is connected to the upper thermal insulation connecting block, and the lower surface of the upper thermal insulation connecting block is connected to the upper heating block.

[0013] Furthermore, the lower heating assembly includes a lower clamping cylinder, a lower pressure plate, a lower guide rod, a lower pull-down plate and a lower thermal insulation connecting block, the lower guide rod passes through the lower connecting plate, the lower end of the lower guide rod is connected to the lower pull-down plate, the lower end of the lower guide rod is connected to the lower pressure plate, the lower clamping cylinder is connected to the lower surface of the lower connecting plate, the cylinder rod of the lower clamping cylinder is connected to the lower pull-down plate through a floating joint, the upper surface of the lower pressure plate is connected to the lower thermal insulation connecting block, and the upper surface of the lower thermal insulation connecting block is connected to the lower heating block.

[0014] Furthermore, the bag making and film cutting mechanism includes a vertical plate assembly, a mounting seat, a film drawing roller assembly, a cutter assembly and a bag pressing assembly, the mounting seat and the film drawing roller assembly are respectively connected to the vertical plate assembly, the film drawing roller assembly is arranged above the mounting seat, the cutter assembly is located above the bag pressing assembly and the cutter assembly is connected to the vertical plate assembly; the cutter assembly includes a lateral displacement mechanism, a lateral guide mechanism and a cutter mechanism, the lateral guide mechanism is connected to the vertical plate assembly, and the lateral displacement mechanism can be laterally moved along the lateral guide mechanism The cutter mechanism is connected to the lateral displacement mechanism, the cutter mechanism comprises a diamond cutter, a cutter fixing plate and a cutter connecting plate, a mounting groove for accommodating the diamond cutter is formed between the cutter connecting plate and the cutter fixing plate, the cutter fixing plate is detachably connected to the cutter connecting plate and the diamond cutter is clamped in the mounting groove; the bag pressing assembly comprises a bag pressing plate assembly and a pressing mechanism for driving the bag pressing plate assembly to press down, the bag pressing plate assembly is connected to the pressing mechanism, and the pressing mechanism is connected to the mounting seat or the vertical plate assembly.

[0015] Furthermore, the lateral displacement mechanism includes a driving wheel, a driven wheel, a belt and a moving component, the belt is wound around the driving wheel and the driven wheel, the rear side of the moving component is connected to the cutter fixing plate, the front side of the moving component is connected to a slider, the slider moves laterally linearly along the lateral guide mechanism, one side of the vertical plate component is connected to a driving motor, the main shaft of the driving motor is connected to the driving wheel, the driven wheel is connected to a driven wheel mounting plate, and the driven wheel mounting plate is connected to the vertical plate assembly.

[0016] The present invention is beneficial in that:

[0017] 1. The tension of the cylinder assembly can be adjusted through the air pressure valve to ensure that the packaging film is always in a tensioned state and will not be broken or deformed, which can reduce the difficulty of debugging and improve the debugging efficiency; since the tension is easy to adjust, the preload force can be quickly adjusted when the packaging film product is changed, thereby improving the change speed of the packaging film product.

[0018] 2. The position of the tail end sealing mechanism can be adjusted conveniently by adjusting the position of the sliding seat on the sliding guide rail according to the required sealing length of the packaging bag, thereby improving the efficiency of product changeover;

[0019] 3. By replacing the flat-blade knife in the prior art with a diamond-shaped cutter, the phenomenon of bag mouth sticking during the bag cutting process can be effectively reduced, thereby increasing the bag opening rate and reducing material waste.

[0020] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of a sanitary napkin packaging machine.

[0023] Figure 2 It is a schematic diagram of the front structure of the unwinding mechanism.

[0024] Figure 3 It is a schematic diagram of the reverse structure of the unwinding mechanism.

[0025] Figure 4 yes Figure 2 Schematic diagram of the structure of the A-shaped connector.

[0026] Figure 5 It is a structural schematic diagram of the tail end sealing mechanism.

[0027] Figure 6 It is a schematic diagram of the overall structure of the bag making and film cutting mechanism.

[0028] Figure 7 yes Figure 6 A partial enlarged view of point B in the middle.

[0029] Figure 8 It is a structural schematic diagram of a film-drawing roller assembly. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] A sanitary napkin packaging machine in a preferred embodiment of the present invention comprises a frame 1, an unwinding mechanism 2, a tail end sealing mechanism 3 and a bag making and film cutting mechanism 4, wherein the unwinding mechanism 2 is connected to the side of the frame 1, and the tail end sealing mechanism 3 is connected to the upper end of the frame 1, and the packaging film 5 is unwound through the unwinding mechanism 2 and passes through the tail end sealing mechanism 3 and the bag making and film cutting mechanism 4 in sequence;

[0032] The unwinding mechanism 2 includes an unwinding motor assembly 21, a fixed roller assembly 22, a film-drawing roller assembly 23, a pressure regulating valve 24 and an electronic ruler 25. The unwinding motor assembly 21 has a rotatable unwinding roller 211, and the unwinding roller 211 is connected to a discharge tray 212 wound with a packaging film 5. The packaging film 5 passes through the fixed roller assembly 22 and the film-drawing roller assembly 23 in sequence. The frame 1 is connected to a mounting plate 6, and the unwinding motor assembly 21, the fixed roller assembly 22, the film-drawing roller assembly 23, the pressure regulating valve 24 and the electronic ruler 25 are all connected to the mounting plate 6;

[0033] The tail end sealing mechanism 3 includes a sliding guide rail 31, a sliding seat 32 and a heating sealing mechanism 33, the sliding guide rail 31 is connected to the frame 1, the sliding seat 32 is connected to the sliding guide rail 31 and the sliding seat 32 can slide along the sliding guide rail 31, the heating sealing mechanism 33 is connected to the sliding seat 32, and the heating sealing mechanism 33 includes an upper heating component 332 and a lower heating component 334, and a hot pressing zone for heating and pressing the packaging film 5 is formed between the upper heating component 332 and the lower heating component 334.

[0034] In the above embodiment, the mounting plate 6 is defined as having a first mounting surface 61 and a second mounting surface 62, the fixed roller assembly 22, the film-drawing roller assembly 23, the pressure regulating valve 24 and the electronic ruler 25 are arranged on the first mounting surface 61, the fixed roller assembly 22 includes a plurality of fixed rollers 221, and the fixed rollers 221 are connected to the first mounting surface 61, the film-drawing roller assembly 23 includes a film-drawing connecting plate 231 and a plurality of film-drawing rollers 232 connected to the film-drawing connecting plate 231, and a slide groove (not shown) is provided on the film-drawing connecting plate 231, The first mounting surface 61 is connected to a slide rail 611, and the slide rail 611 is at least partially located in the slide groove. The film-pulling connecting plate 231 can move linearly along the slide rail 611. One end of the film-pulling connecting plate 231 is connected to a cylinder assembly 63 for pushing or pulling the film-pulling connecting plate 231 to move. The cylinder assembly 63 is installed on the first mounting surface 61, and the cylinder assembly 63 is connected to the pressure regulating valve 24 through a pipeline. The electronic ruler 25 is connected to the first mounting surface 61 and the electronic ruler 25 is located below the film-pulling connecting plate 231.

[0035] In the above embodiment, the first mounting surface 61 is also connected to a first guide roller 612 and a second guide roller 613, and the number of the unwinding motor assemblies 21 is 2, one of the unwinding motor assemblies 21 is connected to the left side of the first mounting surface 61, and the first guide roller 612 and the second guide roller 613 are arranged below the unwinding motor assembly 21 on the left side of the first mounting surface 61, and the other unwinding motor assembly 21 is connected to the right side of the first mounting surface 61, and the first mounting surface 61 is also connected to a third guide roller 614, and the third guide roller 614 is arranged below the unwinding motor assembly 21 on the right side of the first mounting surface 61.

[0036] In the above embodiment, the unwinding motor assembly 21 includes an unwinding motor 213 and a reducer 214, the unwinding motor 213 is transmission-connected to the reducer 214, the output shaft of the reducer 214 passes through the mounting plate 6 and the output shaft is connected to the unwinding roller 211, and the unwinding motor 213 and the reducer 214 are connected to the second mounting surface 62.

[0037] In the above embodiment, the cylinder assembly 63 includes a tie rod cylinder 631 and an L-shaped connecting plate 632, and the L-shaped connecting plate 632 includes a first plate body 6321 and a second plate body 6322, the first plate body 6321 is connected to the tie rod cylinder 631, and the second plate body 6322 is connected to the connecting plate 6.

[0038] In the above embodiment, the heating and sealing mechanism 33 includes a heat sealing connecting frame 335, which is connected to the sliding seat 32, the upper end of the heat sealing connecting frame 335 is connected to an upper connecting plate 336, the lower end of the heat sealing connecting frame 336 is connected to a lower connecting plate 337, the upper heating component 332 is connected to the upper connecting plate 336, and the lower heating component 334 is connected to the lower connecting plate 337.

[0039] In the above embodiment, the upper heating assembly 332 includes an upper clamping cylinder 3321, an upper pressure plate 3322, an upper guide rod 3323, an upper pull plate 3324 and an upper heat-insulating connecting block 3325, the upper guide rod 3323 passes through the upper connecting plate 336, the upper end of the upper guide rod 3323 is connected to the upper pull plate 3324, the lower end of the upper guide rod 3323 is connected to the upper pressure plate 3322, the upper clamping cylinder 3221 is connected to the upper surface of the upper connecting plate 336, the cylinder rod of the upper clamping cylinder 3321 is connected to the upper pull plate 3324 through a floating joint, the lower surface of the upper pressure plate 3322 is connected to the upper heat-insulating connecting block 3325, and the lower surface of the upper heat-insulating connecting block 3325 is connected to the upper heating block 331.

[0040] In the above embodiment, the lower heating assembly 334 includes a lower clamping cylinder 3341, a lower pressure plate 3342, a lower guide rod 3343, a lower pull-down plate 3344 and a lower heat-insulating connecting block 3345, the lower guide rod 3343 passes through the lower connecting plate 337, the lower end of the lower guide rod 3343 is connected to the lower pull-down plate 3344, the lower end of the lower guide rod 3343 is connected to the lower pressure plate 3342, the lower clamping cylinder 3341 is connected to the lower surface of the lower connecting plate 337, the cylinder rod of the lower clamping cylinder 3341 is connected to the lower pull-down plate 3344 through a floating joint, the upper surface of the lower pressure plate 3342 is connected to the lower heat-insulating connecting block 3345, and the upper surface of the lower heat-insulating connecting block 3345 is connected to the lower heating block 333.

[0041] In the above embodiment, the bag making and film cutting mechanism 4 includes a vertical plate assembly 41, a mounting seat 42, a film drawing roller assembly 43, a cutter assembly 44 and a bag pressing assembly 45. The mounting seat 42 and the film drawing roller assembly 43 are respectively connected to the vertical plate assembly 41, the film drawing roller assembly 43 is arranged above the mounting seat 42, the cutter assembly 44 is located above the bag pressing assembly 45 and the cutter assembly 44 is connected to the vertical plate assembly 41; the cutter assembly 44 includes a lateral displacement mechanism 441, a lateral guide mechanism 442 and a cutter mechanism 443, the lateral guide mechanism 441 is connected to the vertical plate assembly 41, the lateral displacement mechanism 441 can move laterally along the lateral guide mechanism 442, and the cutter Mechanism 443 is connected to the lateral displacement mechanism 441, and the cutter mechanism 443 includes a diamond cutter 4431, a cutter fixing plate 4432 and a cutter connecting plate 4433. A mounting groove for accommodating the diamond cutter 4431 is formed between the cutter connecting plate 4432 and the cutter fixing plate 4433, and the cutter fixing plate 4433 is detachably connected to the cutter connecting plate 4433 and clamps the diamond cutter 4431 in the mounting groove; the bag pressing assembly 45 includes a bag pressing plate assembly 451 and a pressing mechanism 452 for driving the bag pressing plate assembly 45 to press down, the bag pressing plate assembly 45 is connected to the pressing mechanism 452, and the pressing mechanism 452 is connected to the mounting seat 42 or the vertical plate assembly 41.

[0042] In the above embodiment, the lateral displacement mechanism 441 includes a driving wheel (not shown), a driven wheel 4411, a belt 4412 and a moving assembly 4413, the belt 4412 is wound around the driving wheel and the driven wheel 4411, the rear side of the moving assembly 4413 is connected to the cutter fixing plate 4433, the front side of the moving assembly 4413 is connected to a slider 4414, the slider 4414 moves laterally linearly along the lateral guide mechanism 442, a driving motor 4415 is connected to one side of the vertical plate assembly 41, the main shaft of the driving motor 4415 is connected to the driving wheel 4411, the driven wheel 4411 is connected to a driven wheel mounting plate 4411-1, and the driven wheel mounting plate 4411-1 is connected to the vertical plate assembly 41.

[0043] In the above embodiment, the film-stretching roller assembly 43 includes a film-stretching active roller 431, a film-stretching driven roller 432, and a film-stretching motor 433 for driving the film-stretching active roller 431 to rotate. The film-stretching active roller 431 and the film-stretching driven roller 432 are both rotatably connected to the vertical plate assembly 41, and the film-stretching active roller 431 is connected to the film-stretching motor 433 via a film-stretching belt 444.

[0044] The present invention uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A sanitary napkin packaging machine, characterized in that: It includes a frame, an unwinding mechanism, a tail end sealing mechanism and a bag making and film cutting mechanism, wherein the unwinding mechanism is connected to the side of the frame, and the tail end sealing mechanism is connected to the upper end of the frame. The packaging film is unwound through the unwinding mechanism and passes through the tail end sealing mechanism and the bag making and film cutting mechanism in sequence. The unwinding mechanism comprises an unwinding motor assembly, a fixed roller assembly, a film-drawing roller assembly, a pressure regulating valve and an electronic ruler. The unwinding motor assembly has a rotatable unwinding roller, and the unwinding roller is connected to a material unwinding tray with a packaging film wound thereon. The packaging film passes through the fixed roller assembly and the film-drawing roller assembly in sequence. The frame is connected to a mounting plate, and the unwinding motor assembly, the fixed roller assembly, the film-drawing roller assembly, the pressure regulating valve and the electronic ruler are all connected to the mounting plate. The tail end sealing mechanism comprises a sliding guide rail, a sliding seat and a heating sealing mechanism, wherein the sliding guide rail is connected to the frame, the sliding seat is connected to the sliding guide rail and the sliding seat can slide along the sliding guide rail, the heating sealing mechanism is connected to the sliding seat, and the heating sealing mechanism comprises an upper heating component and a lower heating component, wherein a hot pressing section for heating and pressing the packaging film is formed between the upper heating component and the lower heating component; The mounting plate is defined with a first mounting surface and a second mounting surface, the film-drawing roller assembly includes a film-drawing connecting plate and a plurality of film-drawing rollers connected to the film-drawing connecting plate, a slide groove is provided on the film-drawing connecting plate, a slide rail is connected to the first mounting surface, the slide rail is at least partially located in the slide groove, the film-drawing connecting plate can move linearly along the slide rail, one end of the film-drawing connecting plate is connected to a cylinder assembly for pushing or pulling the film-drawing connecting plate to move, the cylinder assembly is mounted on the first mounting surface, the cylinder assembly is connected to the pressure regulating valve through a pipeline, the electronic ruler is connected to the first mounting surface and the electronic ruler is located below the film-drawing connecting plate.

2. The sanitary napkin packaging machine according to claim 1, characterized in that: The fixed roller assembly includes a plurality of fixed rollers, and the fixed rollers are connected to the first mounting surface.

3. The sanitary napkin packaging machine according to claim 2, characterized in that: A first guide roller and a second guide roller are also connected to the first mounting surface, and the number of the unwinding motor assemblies is 2, one of the unwinding motor assemblies is connected to the left side of the first mounting surface, and the first guide roller and the second guide roller are arranged below the unwinding motor assembly on the left side of the first mounting surface, and the other unwinding motor assembly is connected to the right side of the first mounting surface. A third guide roller is also connected to the first mounting surface, and the third guide roller is arranged below the unwinding motor assembly on the right side of the first mounting surface.

4. The sanitary napkin packaging machine according to claim 3, characterized in that: The unwinding motor assembly includes an unwinding motor and a reducer, the unwinding motor is drivingly connected to the reducer, the output shaft of the reducer passes through the mounting plate and the output shaft is connected to the unwinding roller, and the unwinding motor and the reducer are connected to the second mounting surface.

5. The sanitary napkin packaging machine according to claim 2, characterized in that: The cylinder assembly includes a tie rod cylinder and an L-shaped connecting plate. The L-shaped connecting plate includes a first plate body and a second plate body. The first plate body is connected to the tie rod cylinder, and the second plate body is connected to the connecting plate.

6. The sanitary napkin packaging machine according to claim 1, characterized in that: The heating and sealing mechanism includes a heat sealing connecting frame, which is connected to the sliding seat, the upper end of the heat sealing connecting frame is connected to an upper connecting plate, the lower end of the heat sealing connecting frame is connected to a lower connecting plate, the upper heating component is connected to the upper connecting plate, and the lower heating component is connected to the lower connecting plate.

7. The sanitary napkin packaging machine according to claim 6, characterized in that: The upper heating assembly includes an upper clamping cylinder, an upper pressure plate, an upper guide rod, an upper pull plate and an upper thermal insulation connecting block. The upper guide rod passes through the upper connecting plate, the upper end of the upper guide rod is connected to the upper pull plate, the lower end of the upper guide rod is connected to the upper pressure plate, the upper clamping cylinder is connected to the upper surface of the upper connecting plate, the cylinder rod of the upper clamping cylinder is connected to the upper pull plate through a floating joint, the lower surface of the upper pressure plate is connected to the upper thermal insulation connecting block, and the lower surface of the upper thermal insulation connecting block is connected to the upper heating block.

8. The sanitary napkin packaging machine according to claim 6, characterized in that: The lower heating assembly includes a lower clamping cylinder, a lower pressure plate, a lower guide rod, a lower pull-down plate and a lower thermal insulation connecting block, the lower guide rod passes through the lower connecting plate, the lower end of the lower guide rod is connected to the lower pull-down plate, the lower end of the lower guide rod is connected to the lower pressure plate, the lower clamping cylinder is connected to the lower surface of the lower connecting plate, the cylinder rod of the lower clamping cylinder is connected to the lower pull-down plate through a floating joint, the upper surface of the lower pressure plate is connected to the lower thermal insulation connecting block, and the upper surface of the lower thermal insulation connecting block is connected to the lower heating block.

9. The sanitary napkin packaging machine according to claim 1, characterized in that: The bag making and film cutting mechanism comprises a vertical plate assembly, a mounting seat, a film drawing roller assembly, a cutter assembly and a bag pressing assembly, wherein the mounting seat and the film drawing roller assembly are respectively connected to the vertical plate assembly, the film drawing roller assembly is arranged above the mounting seat, the cutter assembly is located above the bag pressing assembly and the cutter assembly is connected to the vertical plate assembly; the cutter assembly comprises a lateral displacement mechanism, a lateral guide mechanism and a cutter mechanism, the lateral guide mechanism is connected to the vertical plate assembly, and the lateral displacement mechanism can move laterally along the lateral guide mechanism. The cutter mechanism is connected to the lateral displacement mechanism, and the cutter mechanism includes a diamond cutter, a cutter fixing plate and a cutter connecting plate. An installation groove for accommodating the diamond cutter is formed between the cutter connecting plate and the cutter fixing plate. The cutter fixing plate and the cutter connecting plate are detachably connected and clamp the diamond cutter in the installation groove; the bag pressing assembly includes a bag pressing plate assembly and a pressing mechanism for driving the bag pressing plate assembly to press down, the bag pressing plate assembly is connected to the pressing mechanism, and the pressing mechanism is connected to the mounting seat or the vertical plate assembly.

10. The sanitary napkin packaging machine according to claim 9, characterized in that: The lateral displacement mechanism includes a driving wheel, a driven wheel, a belt and a moving component, the belt is wound around the driving wheel and the driven wheel, the rear side of the moving component is connected to the cutter fixing plate, the front side of the moving component is connected to a slider, the slider moves laterally linearly along the lateral guide mechanism, one side of the vertical plate component is connected to a driving motor, the main shaft of the driving motor is connected to the driving wheel, the driven wheel is connected to a driven wheel mounting plate, and the driven wheel mounting plate is connected to the vertical plate assembly.

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