Sanitary towel hot welding device
By introducing dust removal components and cleaning brush structures into the sanitary napkin thermal welding device, the problem of dust affecting the cast film thermal welding is solved, the cleanliness of cast film and materials is ensured, and the stability and quality of the heat welding are improved.
Patent Information
- Application Number
- CN202421547230.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing sanitary napkin heat welding device has not cleaned the cast film and materials during the hot welding process, resulting in dust affecting the thermal welding effect of the cast film.
A sanitary napkin heat welding device is designed, which includes a dust removal component. It uses the charged wind generated by the ion generator to blow away the dust on the casting film and materials, and cleans the impurities on the surface of the conveying platform through the dust collector and cleaning brush to ensure cleanliness.
It effectively avoids the influence of dust and impurities on cast film thermal welding, ensures the cleanliness of cast film and materials, and improves the stability and quality of heat welding.
Smart Images

Figure CN223143683U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sanitary napkin manufacturing, and particularly relates to a hot welding device for sanitary napkins. Background Art
[0002] A sanitary napkin is a substance with absorbent properties. The main materials are cotton, non-woven fabric, pulp, or a high molecular polymer and a composite paper formed by the above materials. The surface of the sanitary napkin is designed with a soft material, and sanitary napkins with soft materials are more favored by women. The back glue of the sanitary napkin is a water-impermeable material, which can retain menstrual blood in the sanitary napkin. In the actual production process of sanitary napkins, a cast film with a water-blocking function is usually used as the bottom layer of the sanitary napkin, so that the liquid left from above the sanitary napkin will not penetrate out of the sanitary napkin.
[0003] Chinese Patent with application number 202021858380.X discloses a hot welding device for sanitary napkins, which relates to the technical field of sanitary napkin manufacturing, and aims to solve the technical problem of unstable connection mode of the cast film in the existing sanitary napkins. The device includes a conveyor belt, a roller, a feeding shaft, a hot welding device and a bracket. Among them, along the conveying direction of the conveyor belt, the roller, the feeding shaft and the hot welding device are arranged in sequence. The roller and the feeding shaft are erected above the conveyor belt through the bracket, and the hot welding device is oppositely arranged at both ends of the conveyor belt. The hot welding device is used for hot welding the materials of the conveyor belt and the feeding shaft. This utility model is used for hot welding the cast film in the sanitary napkin.
[0004] However, the above-mentioned hot welding device for sanitary napkins has the following problems in the actual use process: during the hot welding process, the cast film and the sanitary napkin are not cleaned in advance, resulting in some dust affecting the hot welding of the cast film.
[0005] Therefore, a hot welding device for sanitary napkins is proposed to solve the above problems. Content of the Utility Model
[0006] To solve the problems raised in the above background art, the utility model provides a hot welding device for sanitary napkins, which has the advantage of avoiding some dust from affecting the hot welding of the cast film.
[0007] To achieve the above object, the utility model provides the following technical solution: a hot welding device for sanitary napkins, including a frame, a conveying platform is installed on the frame, a hot welding mechanism is installed on the frame, a guide roller is arranged on the left side of the hot welding mechanism, a dust removal component is arranged on the left side of the guide roller, a material roller is arranged on the left side of the dust removal component, and the material roller is arranged above the conveying platform;
[0008] The dust removal component includes an air inlet, the air inlet is connected to a fan through a pipeline, the fan is connected to an ion generator through a pipeline, the ion generator is connected to a duct, the duct is connected to a primary exhaust duct and a secondary exhaust duct, and a primary exhaust opening and a secondary exhaust opening are respectively provided on the primary exhaust duct and the secondary exhaust duct.
[0009] Preferably, support legs are fixedly connected to the positions of the four hanging corners at the bottom of the frame, a storage plate is fixedly connected between the support legs, and both the fan and the ion generator are installed on the storage plate.
[0010] Preferably, the conveying platform includes a primary motor, the primary motor is connected to a driving roller through a motor shaft, and the driving roller is connected to a driven roller through a conveyor belt.
[0011] Preferably, a dust collection box is fixedly connected to the top of the storage plate, the top end surface of the dust collection box is close to the conveying platform, a cleaning brush is provided at a position close to the top inside the dust collection box, and the cleaning brush is connected to a secondary motor through a motor shaft.
[0012] Preferably, a tertiary exhaust duct is provided on the left side of the dust collection box, the tertiary exhaust duct is connected to the duct, and a tertiary exhaust opening is provided on the tertiary exhaust duct.
[0013] Preferably, both ends of the material roller are connected to vertical plates through bearings, and the material roller is arranged above the guide roller.
[0014] Preferably, a dust-proof net is installed in the air inlet.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] 1. By setting the dust removal component, the present utility model uses the wind containing ions to blow away the dust on the casting film and the material, avoiding the adhesion of impurities such as dust on the outer surfaces of the casting film and the material, thereby affecting the thermal welding of the casting film.
[0017] 2. By setting structures such as a dust collection box and a cleaning brush, the present utility model can clean the outer surface of the conveying platform to avoid the remaining debris or other attachments on it, ensure the cleanliness of the conveying platform, and avoid contaminating the material. Description of the Drawings
[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0019] Figure 2 is a schematic diagram of the structure on the storage plate of the present utility model;
[0020] Figure 3 is a schematic diagram of the structures of the primary exhaust duct and the secondary exhaust duct of the present utility model;
[0021] Figure 4 Schematic structural view of the air inlet of the present utility model;
[0022] Figure 5 Schematic structural view of the conveying platform of the present utility model.
[0023] In the figure: 1, frame;
[0024] 2, conveying platform; 21, first-level motor; 22, driving roller; 23, conveyor belt; 24, driven roller;
[0025] 3, hot welding mechanism; 4, guide roller;
[0026] 5, dust removal assembly; 51, air inlet; 52, fan; 53, ion generator; 54, air duct; 55, first-level exhaust duct; 56, second-level exhaust duct; 57, first-level exhaust opening; 58, second-level exhaust opening;
[0027] 6, material roller; 7, support leg; 8, storage board; 9, dust collection box; 10, cleaning brush; 11, second-level motor; 12, third-level exhaust duct; 13, dust-proof net. Specific embodiments
[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0029] As Figures 1 to 5 shown, the present utility model provides a sanitary napkin hot welding device, including a frame 1, a conveying platform 2 is installed on the frame 1, a hot welding mechanism 3 is installed on the frame 1. The hot welding mechanism 3 is an existing public technology and will not be elaborated here. A guide roller 4 is provided on the left side of the hot welding mechanism 3. The guide roller 4 can press the material and the cast film. A dust removal assembly 5 is provided on the left side of the guide roller 4. A material roller 6 is provided on the left side of the dust removal assembly 5. The material roller 6 is arranged above the conveying platform 2;
[0030] The dust removal assembly 5 includes an air inlet 51. The air inlet 51 is connected to a fan 52 through a pipeline. The fan 52 is connected to an ion generator 53 through a pipeline. The ion generator 53 is connected to an air duct 54. The air duct 54 is connected to a first-level exhaust duct 55 and a second-level exhaust duct 56. A first-level exhaust opening 57 and a second-level exhaust opening 58 are respectively provided on the first-level exhaust duct 55 and the second-level exhaust duct 56. The wind containing ions is used to blow away the dust on the cast film and the material, avoiding dust and other impurities adhering to the outer surfaces of the cast film and the material, thereby affecting the hot welding of the cast film.
[0031] Specifically, support legs 7 are fixedly connected to the positions of the four hanging corners at the bottom of the frame 1. A storage board 8 is fixedly connected between the support legs 7. The air blower 52 and the ion generator 53 are both installed on the storage board 8.
[0032] Furthermore, the conveying platform 2 includes a first-stage motor 21. The first-stage motor 21 is connected to a driving roller 22 through a motor shaft. The driving roller 22 is connected to a driven roller 24 through a conveyor belt 23.
[0033] Still further, a dust collection box 9 is fixedly connected to the top of the storage board 8. The top surface of the dust collection box 9 is close to the conveying platform 2. A cleaning brush 10 is provided at a position near the top inside the dust collection box 9. The cleaning brush 10 is connected to a second-stage motor 11 through a motor shaft, which can clean the outer surface of the conveying platform 2 to avoid debris or other attachments remaining on it, ensure the cleanliness of the conveying platform, and avoid contaminating the materials.
[0034] It is worth noting that a third-stage exhaust duct 12 is provided on the left side of the dust collection box 9. The third-stage exhaust duct 12 is connected to a guide duct 54. A third-stage air outlet is provided on the third-stage exhaust duct 12. The air discharged from the third-stage air outlet blows on the outer surface of the conveying platform 2, which can further improve the cleaning effect and avoid electrostatic adsorption of dust.
[0035] It should be noted that both ends of the material roller 6 are connected to vertical plates through bearings. The material roller 6 is arranged above the guide roller 4. The first-stage exhaust duct 55 and the second-stage exhaust duct 56 are located between the cast film and the material.
[0036] It is worth introducing that a dust-proof net 13 is installed in the air inlet 51 to reduce the inhalation of dust and blow it onto the material and the cast film.
[0037] Among them, the first-stage motor 21, the ion generator 53, and the second-stage motor 11 are prior arts and will not be elaborated here. At the same time, the present utility model also includes a power supply, a controller, a switch, etc., which are not the main technical points of this patent and will not be elaborated here.
[0038] Working principle and process: The casting film is wound around the material roller 6, the material is placed on the conveying platform 2, the first-stage motor 21 is started, and then the driving roller 22 drives the conveyor belt 23 to rotate, and the material moves. The casting film passes through the guide roller 4 and can be attached to the material. When passing through the hot welding mechanism 3, hot welding can be carried out. At the same time, the fan 52 of the dust removal assembly 5 is started, and the outside air is respectively introduced into the first-stage exhaust duct 55 and the second-stage exhaust duct 56 after passing through the air inlet 51 and the air guide pipe 54, and is discharged from the first-stage exhaust port 57 and the second-stage exhaust port 58. The first-stage exhaust port 57 blows towards the casting film, and the second-stage exhaust port 58 blows towards the material to clean the attached dust and other sundries, avoiding the influence of the attached substances on the hot welding of the casting film. The second-stage motor 11 is started, and then the cleaning brush 10 in the dust collection box 9 rotates to clean the adhesion on the outer surface of the conveying platform 2, and the third-stage exhaust port on the third-stage exhaust duct 12 blows towards the conveying platform 2 to further remove the attached substances, which is beneficial to the use of the device.
[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sanitary napkin hot welding device, comprising a frame (1), characterized in that: A conveying platform (2) is installed on the frame (1), a thermal welding mechanism (3) is installed on the frame (1), a guide roller (4) is arranged on the left side of the thermal welding mechanism (3), a dust removal assembly (5) is arranged on the left side of the guide roller (4), a material roller (6) is arranged on the left side of the dust removal assembly (5), and the material roller (6) is arranged above the conveying platform (2). The dust removal assembly (5) includes an air inlet (51), the air inlet (51) is connected to a fan (52) through a pipeline, the fan (52) is connected to an ion generator (53) through a pipeline, the ion generator (53) is connected to a duct (54), the duct (54) is connected to a primary exhaust duct (55) and a secondary exhaust duct (56), and a primary exhaust port (57) and a secondary exhaust port (58) are respectively arranged on the primary exhaust duct (55) and the secondary exhaust duct (56).
2. The sanitary napkin hot welding device according to claim 1, wherein: Support legs (7) are fixedly connected to the positions of the four hanging corners at the bottom of the frame (1), a storage board (8) is fixedly connected between the support legs (7), and both the fan (52) and the ion generator (53) are installed on the storage board (8).
3. The sanitary napkin hot welding device according to claim 1, characterized in that: The conveying platform (2) includes a primary motor (21), the primary motor (21) is connected to a driving roller (22) through a motor shaft, and the driving roller (22) is connected to a driven roller (24) through a conveyor belt (23).
4. The sanitary napkin hot welding device according to claim 2, characterized in that: A dust collection box (9) is fixedly connected to the top of the storage board (8), the top surface of the dust collection box (9) is close to the conveying platform (2), and a cleaning brush (10) is arranged at a position close to the top inside the dust collection box (9), and the cleaning brush (10) is connected to a secondary motor (11) through a motor shaft.
5. The sanitary napkin hot welding device according to claim 4, characterized in that: A tertiary exhaust duct (12) is arranged on the left side of the dust collection box (9), the tertiary exhaust duct (12) is connected to the duct (54), and a tertiary exhaust port is arranged on the tertiary exhaust duct (12).
6. The sanitary napkin hot welding device according to claim 1, characterized in that: Both ends of the material roller (6) are connected to vertical plates through bearings, and the material roller (6) is arranged above the guide roller (4).
7. The hot welding device for sanitary napkins according to claim 1, wherein: A dust-proof net (13) is installed in the air inlet (51).
Citation Information
Patent Citations
Hot welding device for sanitary napkins
CN213291385U