Production method of bacteriostatic meal box
By combining the flip component and spray system with the cleaning and disinfection method of ultraviolet lamps, the problem of incomplete disinfection during the production process of lunch boxes is solved, and the efficient cleaning and antibacterial ability of lunch boxes is achieved, ensuring the hygiene standards of lunch boxes are ensured.
Patent Information
- Application Number
- CN202510205501.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-07-08
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the production process of existing lunch boxes, the conveyor belt transportation and stacking storage methods lead to the inability to completely disinfect the bottom of the lunch box, and cross-infection is prone to occur in high temperature or humid environments, which reduces the hygiene standards of lunch boxes.
The flipped components and spray system are combined with ultraviolet lamps for cleaning and disinfection, ensuring that the surface and interior of the lunch box are evenly in contact with the cleaning liquid, and killing bacteria through ultraviolet rays. The spray amount is accurately controlled with the water control component. The pump and the spray tube work together to improve the cleaning effect.
It improves the cleanliness and antibacterial ability of the lunch box, ensures that the lunch box meets high standards of hygiene requirements, avoids liquid residues and cross-infection, and enhances the durability and hygiene level of the lunch box.
Smart Images
Figure CN120268743A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of production methods of antibacterial lunch boxes, and specifically, to a production method of an antibacterial lunch box. Background Art
[0002] A lunch box is a container for packaging and holding food, and is widely used in scenarios such as takeout, food delivery, family dining, working meals, etc. According to different usage requirements, there are various types of lunch box materials, including plastics, paper, stainless steel, glass, bamboo and wood, etc., and each material has different advantages and disadvantages. For example, plastic lunch boxes are light and have good sealing performance, paper lunch boxes are environmentally friendly and suitable for single use, while stainless steel and glass lunch boxes are more durable and suitable for long-term use. The main function of a lunch box is to facilitate the storage, transportation and heat preservation of food, ensure that the food is not contaminated during transportation and storage, avoid direct contact with the external environment, and maintain the taste and nutrition of the food. With the booming development of the takeout industry, a large number of takeout lunch boxes, disposable banquet lunch boxes, etc. have gradually become a part of people's daily lives. Since these lunch boxes are often packaged and sold immediately after being manufactured and directly put into use, it is particularly important to perform antibacterial treatment on the lunch boxes during the production process. It ensures the health of users when enjoying food and also improves people's trust in the hygiene standards of the takeout and catering industries.
[0003] Currently, ozone technology or ultraviolet irradiation equipment is used for antibacterial operations during the production process of lunch boxes, which can indeed reduce the number of bacteria and viruses on the surface of lunch boxes to a certain extent. However, due to the conveyor belt transportation method on the production line and the characteristics of lunch box stacking storage, there are still some technical problems. These problems not only affect the disinfection effect of lunch boxes, but may also reduce the hygiene standards of the entire production process in some links. First, after the lunch box falls on the conveyor belt, it is in a relatively fixed state and is transported as the belt moves. Since the lunch box is usually a flat container, its bottom contacts the surface of the conveyor belt, and this part of the area may not be fully irradiated by ozone or ultraviolet rays when passing through the disinfection equipment. In addition, during the storage and transportation process after the lunch boxes leave the factory, they are usually stored in a stacked manner. This stacking method may cause the incompletely disinfected lunch boxes to contact each other, especially the contact part between the bottom of the lunch box and the upper lunch box. This situation may cause the already disinfected lunch boxes to be recontaminated due to the contact of the bottom with the incompletely disinfected lunch boxes, thereby reducing the overall hygiene standards and disinfection effect. Especially in high-temperature or humid environments, the risk of cross-infection is more prominent. Summary of the Invention
[0004] The present invention provides a production method of an antibacterial lunch box, which improves the cleaning effect of the lunch box, enhances the antibacterial ability of the lunch box, and further improves the hygiene level of the lunch box.
[0005] The technical solution of the present invention is as follows: A production method of an antibacterial lunch box, comprising the following technological steps: S100: Raw material preparation: Select raw materials that are biodegradable and have antibacterial effects themselves, then add natural antibacterial components to the raw materials and mix them, and then heat-treat the mixed raw materials through an injection molding machine; S200: Molding: Inject the heated raw materials into a mold through an injection molding machine and then wait for them to cool; S300: Surface treatment: Cut the molded raw materials, and after cutting, perform a coating treatment on the surface of the lunch box to coat a layer of PE film on its surface, and finally dry it to ensure that the coating is completely cured; S400: Cleaning: Send the lunch boxes after batch surface treatment into an antibacterial device for cleaning and antibacterial operations to ensure that the inner and outer surfaces of the lunch boxes are kept clean; S500: Quality inspection: Visually inspect and measure the lunch boxes that have passed through the antibacterial device to ensure compliance with the design requirements, and test the high-temperature resistance, oil resistance, and water resistance of the lunch boxes to ensure that there are no problems such as leakage or deformation during use. Finally, ensure that the lunch box materials are non-toxic and meet the food safety standards; S600: Storage: Stack the lunch boxes that have passed through the antibacterial device and package them in grades in sequence. After packaging, store the finished lunch boxes in a dry and ventilated warehouse to avoid the influence of high temperature and humid environment on the lunch boxes.
[0006] Step S400 cleaning includes: S410: Clean the surface of the lunch boxes sent into the antibacterial device, so that when the lunch boxes move, they are turned up on the left and right sides in sequence to ensure a good cleaning effect on the outer surface of the lunch boxes, and then turn the cleaned lunch boxes over in sequence so that the cleaned lunch boxes are sent out of the antibacterial device in an upside-down manner.
[0007] Further, the antibacterial device includes a protective housing, and a first conveyor belt and a second conveyor belt are sequentially arranged in the protective housing from high to low. One end of the protective housing close to the first conveyor belt is a feeding port, and one end of the protective housing close to the second conveyor belt is a discharging port; A support block is fixedly connected to one end of the protective housing close to the feeding port, and the first conveyor belt is fixedly connected to the upper side of the support block; A plurality of ultraviolet lamps are arranged above the second conveyor belt; A first partition plate is fixedly connected between the first conveyor belt and the second conveyor belt. A plurality of spray pipes are connected between the support block and the first partition plate. A water outlet is fixedly connected to the bottom wall of the protective housing. A turning assembly for performing left-right turning operations on the lunch boxes is connected between the spray pipes; A water control component is fixedly connected to the outside of the protective housing, and the water control component is communicated with each spray pipe.
[0008] Furthermore, the flipping component includes a first limiting plate and a second limiting plate. Two conveying rollers are abutted between the first limiting plate and the second limiting plate. One end of each conveying roller facing the discharge port is fixedly connected with a driving disc. One side of the driving disc away from the first limiting plate is rotatably connected with a first supporting seat. A supporting plate is fixedly connected to the lower side of the first supporting seat. Two second supporting seats are fixedly connected to the supporting plate. One side of each of the two second supporting seats facing each other is rotatably connected with a limiting sleeve. A linkage column is slidably connected between the two limiting sleeves. A transmission plate is rotatably connected to the linkage column. One end of the transmission plate away from the axis of the linkage column abuts against a transmission disc. One end of the transmission disc away from the transmission plate is rotatably connected with a third supporting seat, and the third supporting seat is fixedly connected to the supporting plate; A first motor is fixedly connected to one of the second supporting seats. The driving shaft of the first motor is coaxially fixedly connected with the transmission disc. A second motor is fixedly connected to the third supporting seat. The driving shaft of the second motor is coaxially fixedly connected with the adjacent limiting sleeve; One side of the first supporting seat facing the third supporting seat is rotatably connected with a linkage disc. The linkage disc is coaxially fixedly connected with the driving disc, and a first gear is fixedly connected to the linkage disc; Two second gears facing opposite directions are fixedly connected to the linkage column, and each of the second gears meshes with the first gear; One side of the two conveying rollers facing the feeding port is connected with a driving component for driving the conveying rollers to flip in cooperation; One side of the two conveying rollers facing the discharge port is connected with an ejecting component for flipping and inverting the lunch box after cleaning in cooperation with the flipping of the conveying rollers.
[0009] Furthermore, the driving component includes a clamping disc, and the clamping disc is rotatably connected to one side of the second limiting plate facing the feeding port. A third gear is fixedly connected to each of the conveying rollers; One side of the clamping disc facing the feeding port is rotatably connected with a fourth supporting seat, and the fourth supporting seat is fixedly connected to the supporting block; A third motor is fixedly connected to the fourth supporting seat, and a fourth gear is fixedly connected to the driving shaft of the third motor; Each of the third gears meshes with the fourth gear.
[0010] Furthermore, the ejecting component includes an upper ejecting wheel, and the upper ejecting wheel is rotatably connected to the first limiting plate. An ejecting plate abuts against the upper side of the upper ejecting wheel, and the ejecting plate is slidably connected to the first limiting plate; An ejecting block is fixedly connected to the ejecting plate; A first synchronous pulley is fixedly connected to the driving disc, and a second synchronous pulley is fixedly connected to the first limiting plate at a position coaxial with the upper supporting pulley. A synchronous belt is engaged with the first synchronous pulley and the second synchronous pulley.
[0011] Furthermore, two guiding blocks are fixedly connected to the lifting plate.
[0012] Furthermore, a second partition board is fixedly connected inside the protective housing, and a limiting groove is formed in the second partition board.
[0013] Furthermore, clamping grooves are spirally formed on the conveying rollers.
[0014] The beneficial effects of the present invention are as follows: In the cleaning step, the antibacterial device adopts an innovative flipping assembly and a spraying system; the lunch box can uniformly contact the spraying water droplets during the cleaning process under the action of the flipping assembly and the spraying pipe; the flipping action can remove pollutants such as dust and oil stains on the surface of the lunch box, ensuring surface cleanliness and avoiding liquid residues, and then cooperating with the ultraviolet lamp to irradiate the surface of the lunch box, effectively killing bacteria and further improving the hygiene level of the lunch box; ultraviolet disinfection can not only clean the surface of the lunch box, but also enhance the antibacterial ability of the lunch box, ensuring that the lunch box meets high-standard hygiene requirements, and precisely controlling the spraying amount of the cleaning liquid through the water control component, making the cleaning liquid uniformly atomized and efficiently cleaning the surface of the lunch box; the water pump and the spraying pipe work together to further ensure the spraying range and cleaning effect of the cleaning liquid. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0016] Figure 1 is an enlarged schematic diagram of the present invention; Figure 2 is a partial cross-sectional front-axis schematic diagram of the present invention Figure 1 ; Figure 3 is Figure 2 an enlarged schematic diagram of A in Figure 4 is Figure 2 an enlarged schematic diagram of B in Figure 5 is a partial enlarged schematic diagram of the present invention Figure 1 ; Figure 6 is a partial enlarged schematic diagram of the present invention Figure 2 ; Figure 7 is a partial enlarged schematic diagram of the flipping assembly of the present invention; Figure 8 is Figure 7 an enlarged schematic diagram of C in
[0017] In the figure: 11, protective housing; 12, first conveyor belt; 13, second conveyor belt; 14, support block; 15, ultraviolet lamp; 16, first partition board; 17, spray pipe; 18, water outlet; 19, second partition board; 191, limiting groove; 110, water control assembly; 111, feeding port; 112, discharging port; 21, first limiting plate; 22, second limiting plate; 23, conveyor roller; 231, clamping groove; 24, driving disc; 25, first support base; 26, support plate; 27, second support base; 28, limiting sleeve; 29, linkage column; 210, transmission plate; 211, transmission disc; 212, third support base; 213, first motor; 214, second motor; 215, linkage disc; 216, first gear; 217, second gear; 31, clamping disc; 32, third gear; 33, fourth support base; 34, third motor; 35, fourth gear; 41, upper supporting wheel; 42, jacking plate; 43, jacking block; 44, first synchronous wheel; 45, second synchronous wheel; 46, synchronous belt; 47, guiding block. Specific embodiments
[0018] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.
[0019] As Figures 1 to 8 shown, this embodiment proposes a production method for antibacterial lunch boxes, including the following process steps: S100: Raw material preparation: Select raw materials that are inherently biodegradable and have antibacterial effects, then add natural antibacterial components to the raw materials and mix them. Then, heat-treat the mixed raw materials through an injection molding machine. Use raw materials with biodegradable and antibacterial effects and add natural antibacterial components; this ensures that the lunch box has long-term antibacterial functions during use, is environmentally friendly, and meets food safety standards. S200: Molding: Inject the heated raw materials into a mold through an injection molding machine, and then wait for it to cool. Inject the heat-treated raw materials into a mold through an injection molding machine for molding to form the basic structure of the lunch box; this process ensures the quality and shape stability of the lunch box, facilitating subsequent surface treatment and cleaning work. S300: Surface treatment: Cut the molded raw materials. After cutting, perform a coating treatment on the surface of the lunch box to coat a layer of PE film on its surface, and finally dry it to ensure that the coating is completely cured. After the lunch box is cut, a layer of PE film is coated on the surface and dried and cured; the PE film not only increases the waterproof, oil-resistant and high-temperature resistant properties of the lunch box, but also plays a certain antibacterial role, enhancing the functionality and durability of the lunch box; S400: Cleaning: Send the batch of lunch boxes with surface treatment completed into the antibacterial device for cleaning and antibacterial operation to ensure that the inner and outer surfaces of the lunch boxes are kept clean; The antibacterial device in the cleaning step adopts an innovative flipping component and a spraying system; the lunch box can evenly contact the sprayed water droplets during the cleaning process under the action of the flipping component and the spray pipe 17; the flipping action can remove pollutants such as dust and oil stains on the surface of the lunch box, ensure surface cleanliness and avoid liquid residue, and then cooperate with the ultraviolet lamp 15 to irradiate the surface of the lunch box to effectively kill bacteria, further improving the hygiene level of the lunch box; ultraviolet disinfection can not only clean the surface of the lunch box, but also enhance the antibacterial ability of the lunch box, ensure that the lunch box meets high-standard hygiene requirements, and precisely control the spraying amount of the cleaning liquid through the water control component 110 to evenly atomize the cleaning liquid and efficiently clean the surface of the lunch box; the water pump and the spray pipe 17 work together to further ensure the spraying range and cleaning effect of the cleaning liquid.
[0020] S500: Quality inspection: Visually inspect and measure the lunch boxes that have passed through the antibacterial device to ensure compliance with the design requirements, and test the high-temperature resistance, oil resistance and water resistance of the lunch boxes to ensure that there will be no problems such as leakage or deformation during use. Finally, ensure that the lunch box materials are non-toxic and meet the food safety standards; After the lunch box is cleaned by the antibacterial device, strict quality inspections are required; including visual inspection of the appearance, testing of high-temperature resistance, water resistance and oil resistance, etc., to ensure that there are no problems such as leakage or deformation during use; all raw materials and processes of the lunch box must meet the food safety standards, be non-toxic and meet the environmental protection requirements to ensure the safety of consumers; S600: Storage: Stack the lunch boxes that have passed through the antibacterial device and pack them in grades in turn. After the packaging is completed, store the finished lunch boxes in a dry and ventilated warehouse to avoid the influence of high temperature and humid environment on the lunch boxes; The lunch boxes are stored in a dry and ventilated warehouse through graded packaging to avoid adverse effects of high temperature, humidity and other environments on the lunch boxes, thereby extending the service life of the lunch boxes.
[0021] As Figures 1 to 8 shown, the cleaning in step S400 includes: S410: Perform surface cleaning on the lunch boxes sent into the antibacterial device, so that the left and right sides of the lunch boxes are turned up in turn during the movement process, so that the outer surfaces of the lunch boxes all have a good cleaning effect, and then turn the cleaned lunch boxes in turn, so that the cleaned lunch boxes are sent out of the antibacterial device in an inverted manner; The dust and dirt attached to the outer surface of the lunch box are washed away, improving the cleaning effect of the lunch box surface, preventing the stacked and stored lunch boxes from affecting each other, and improving the hygiene standard of the lunch box.
[0022] As Figures 1 to 8 shown, the antibacterial device in the cleaning step S400 includes a protective housing 11. A first conveyor belt 12 and a second conveyor belt 13 are arranged in the protective housing 11 from high to low in sequence. One end of the protective housing 11 close to the first conveyor belt 12 is a feeding port 111, and one end of the protective housing 11 close to the second conveyor belt 13 is a discharging port 112; One end of the protective housing 11 close to the feeding port 111 is fixedly connected to a support block 14, and the first conveyor belt 12 is fixedly connected to the upper side of the support block 14; A plurality of ultraviolet lamps 15 are all arranged above the second conveyor belt 13; A first partition plate 16 is fixedly connected between the first conveyor belt 12 and the second conveyor belt 13. A plurality of spray pipes 17 are all connected between the support block 14 and the first partition plate 16. A water outlet 18 is fixedly connected to the bottom wall of the protective housing 11. A flipping assembly for performing a left-right flipping operation on the lunch box is connected between the spray pipes 17; Through the left-right cyclic flipping of the flipping assembly, the four sides and the bottom wall of the lunch box can be fully contacted with the diffused cleaning spray. This process not only ensures that the spray water droplets can evenly cover the surface of the lunch box, but also helps the water droplets to continuously remove the dirt attached to the lunch box surface through the flipping action. During the flipping process, the water droplets will continuously take away the dirt on the lunch box surface as the lunch box flips, and the water droplets gathered in the inner cavity of the lunch box can also be cleaned in time. In order to ensure the stable movement of the lunch box during the flipping cleaning process, a driving assembly is equipped to make the lunch box move smoothly along the cleaning channel towards the discharging port 112 while flipping, so that the flipping assembly can continuously provide cleaning services for new lunch boxes. When the lunch box approaches the discharging port 112, the ejecting assembly will play a role. It ensures that the cleaning liquid in the inner cavity of the lunch box can be completely discharged by inverting and flipping the cleaned lunch box. In this way, both the inside and outside of the lunch box can be kept clean and tidy, and the residue of the cleaning liquid is avoided. In addition, to further improve the cleaning effect, the ultraviolet lamp 15 is cooperated. After the lunch box is flipped in place, the ultraviolet lamp 15 will irradiate the surface of the lunch box comprehensively, effectively killing bacteria and ensuring that the lunch box meets the high-standard hygiene requirements. The disinfection effect of ultraviolet rays can not only clean the lunch box surface, but also enhance its antibacterial ability; A water control assembly 110 is fixedly connected to the outside of the protective housing 11, and the water control assembly 110 is communicated with each spray pipe 17; A water control component 110 is provided with a water pump and a liquid with a cleaning effect stored therein. The water pump sends these liquids into the protective housing 11. Under the action of the spray pipe 17, these liquids are atomized, so that the atomized cleaning liquid can clean the surface of the lunch box sent into the protective housing 11. Since these are prior arts, no further details will be given.
[0023] As Figures 1 to 8 shown, the flipping component includes a first limiting plate 21 and a second limiting plate 22. Two conveying rollers 23 are abutted between the first limiting plate 21 and the second limiting plate 22. One end of each conveying roller 23 facing the discharge port 112 is fixedly connected to a driving disc 24. One side of the driving disc 24 away from the first limiting plate 21 is rotatably connected to a first support seat 25. A support plate 26 is fixedly connected to the lower side of the first support seat 25. Two second support seats 27 are both fixedly connected to the support plate 26. A limiting sleeve 28 is rotatably connected to one side of the two second support seats 27 facing each other. A linkage column 29 is slidably connected between the two limiting sleeves 28. A transmission plate 210 is rotatably connected to the linkage column 29. One end of the transmission plate 210 away from the axis of the linkage column 29 abuts against a transmission disc 211. One end of the transmission disc 211 away from the transmission plate 210 is rotatably connected to a third support seat 212. The third support seat 212 is fixedly connected to the support plate 26; A first motor 213 is fixedly connected to one of the second support seats 27. The driving shaft of the first motor 213 is coaxially and fixedly connected to the transmission disc 211. A second motor 214 is fixedly connected to the third support seat 212. The driving shaft of the second motor 214 is coaxially and fixedly connected to the adjacent limiting sleeve 28; One side of the first support seat 25 facing the third support seat 212 is rotatably connected to a linkage disc 215. The linkage disc 215 is coaxially and fixedly connected to the driving disc 24. A first gear 216 is fixedly connected to the linkage disc 215; Two second gears 217 facing opposite directions are both fixedly connected to the linkage column 29. Each second gear 217 meshes with the first gear 216; One side of the two conveying rollers 23 facing the feeding port 111 is connected to a driving component that cooperates with the conveying roller 23 to flip and drive the conveying roller 23; One side of the two conveying rollers 23 facing the discharge port 112 is connected to an ejecting component that cooperates with the conveying roller 23 to flip and turn the lunch box after cleaning upside down; The comprehensive cleaning of the lunch box is achieved through a flipping component. After the lunch box enters the cleaning area, the flipping component flips in a left-right circular motion, enabling the four sides and the bottom wall of the lunch box to come into full contact with the diffused cleaning spray. This process not only ensures that the spray water droplets can evenly cover the surface of the lunch box but also helps the water droplets continuously remove the dirt attached to the surface of the lunch box through the flipping action. During the flipping process, the water droplets will continuously carry away the dirt on the surface of the lunch box as the lunch box flips, and the water droplets gathered in the inner cavity of the lunch box can also be cleaned in a timely manner. To ensure the stable movement of the lunch box during the flipping cleaning process, a driving component is equipped, enabling the lunch box to smoothly advance along the cleaning channel towards the discharge port 112 while flipping, so that the flipping component can continuously provide cleaning services for new lunch boxes. When the lunch box approaches the discharge port 112, the ejecting component will come into play. It ensures that the cleaning liquid in the inner cavity of the lunch box can be completely discharged by inverting and flipping the cleaned lunch box. In this way, both the inside and outside of the lunch box can be kept clean and tidy, and the residual cleaning liquid can be avoided. In addition, to further improve the cleaning effect, an ultraviolet lamp 15 is coordinated. After the lunch box is flipped in place, the ultraviolet lamp 15 will irradiate the surface of the lunch box comprehensively, effectively killing bacteria and ensuring that the lunch box meets high-standard hygiene requirements. The disinfection effect of ultraviolet rays can not only clean the surface of the lunch box but also enhance its antibacterial ability.
[0024] As Figures 2 to 6 shown, the driving component includes a clamping disk 31, which is rotatably connected to one side of the second limiting plate 22 facing the feeding port 111, and each third gear 32 is fixedly connected to each conveying roller 23; One side of the clamping disk 31 facing the feeding port 111 is rotatably connected to the fourth support seat 33, and the fourth support seat 33 is fixedly connected to the support block 14; The third motor 34 is fixedly connected to the fourth support seat 33, and the fourth gear 35 is fixedly connected to the driving shaft of the third motor 34; Each third gear 32 meshes with the fourth gear 35; The flipping action of the two conveying rollers 23 is controlled by the driving component. When the two conveying rollers 23 flip to one side, one of the conveying rollers 23 will flip downward. During this process, the third gear 32 on the conveying roller 23 meshes with the fourth gear 35 to transmit the rotational force. Specifically, when the conveying roller 23 flips downward, it will drive the lunch box to move away from the fourth support seat 33. This movement is due to the combination of the rotational force generated by the flipping of the conveying roller 23 and the self-weight of the lunch box. During the flipping process, due to its self-weight, the lunch box makes greater contact with the surface of the downward-flipping conveying roller 23, thus prompting the lunch box to gradually move along the conveying path. When the two conveying rollers 23 are not flipping downward, the lunch box will stop, and at this time, the lunch box can be in contact with the cleaning spray for a longer time, improving the cleaning effect of the cleaning spray on the surface of the lunch box.
[0025] As Figure 5 and Figures 7 to 8 shown, the ejection assembly includes an upper ejecting wheel 41 which is rotatably connected to the first limiting plate 21, an ejecting plate 42 abuts against the upper side of the upper ejecting wheel 41, and the ejecting plate 42 is slidably connected to the first limiting plate 21; An ejecting block 43 is fixedly connected to the ejecting plate 42; A first synchronous pulley 44 is fixedly connected to the driving disc 24, and a second synchronous pulley 45 is fixedly connected to the first limiting plate 21 at a position coaxial with the upper ejecting wheel 41, and a synchronous belt 46 is engaged on the first synchronous pulley 44 and the second synchronous pulley 45; In the automatic lunch box conveying system, the ejection assembly is responsible for the task of ejecting the lunch box closest to one side of the first limiting plate 21. This process needs to be closely coordinated with the flipping actions of the two conveying rollers 23. When the conveying rollers 23 flip, the ejection assembly, through its coordinated action with the conveying rollers 23, smoothly ejects the lunch box from the conveying rollers 23, avoiding jamming or damage to the lunch box. To improve the system efficiency and reduce unnecessary energy consumption, the synchronous belt 46 is cleverly used to transmit the flipping force of the conveying rollers 23. The synchronous belt 46 integrates the flipping power of the two conveying rollers 23, reducing the procurement and usage costs of the driving components.
[0026] As Figure 5 and Figures 7 to 8 shown, two guiding blocks 47 are both fixedly connected to the ejecting plate 42; When the lunch box closest to one side of the first limiting plate 21 is subjected to a flipping action, the ejecting block 43 ejects it from between the two conveying rollers 23, and the lunch box will fall in an inverted manner along the guiding blocks 47 on the flipping side and finally accurately fall onto the second conveyor belt 13. This design effectively prevents the lunch boxes from piling up on the ejecting plate 42, ensures the smooth operation of the conveying system, and avoids transportation obstacles caused by piling up.
[0027] As Figure 2 shown, a second partition plate 19 is fixedly connected inside the protective housing 11, and a limiting groove 191 is formed in the second partition plate 19; The second partition plate 19 partially isolates the diffused cleaning spray in the lower cavity, enabling the cleaning spray to be more concentrated and fully act on the surface of the lunch box, thereby enhancing the cleaning effect and improving the aggregation efficiency of the spray. At the same time, the limiting groove 191 ensures that after the lunch box is sent in through the first conveyor belt 12, it can be accurately positioned and fall between the two conveying rollers 23, avoiding the offset or misalignment of the lunch box and ensuring the stability and accuracy of the conveying process.
[0028] As Figures 2 to 4 shown, the clamping groove 231 is formed in a spiral manner on the conveying roller 23; The lunch boxes falling between the two conveyor rollers 23 can be transported more stably through the conveyor rollers 23. The spiral clamping grooves 231 effectively increase the friction between the lunch boxes and the conveyor rollers 23 by providing an additional guiding effect, reducing the sliding and misalignment of the lunch boxes during transportation, thereby ensuring the smoothness and safety of the transportation process.
[0029] The principle of this embodiment is as follows: Feeding of lunch boxes: The lunch boxes enter the protective housing 11 through the feeding port 111. There are two conveyor belts inside the protective housing 11: the first conveyor belt 12 is located above, the second conveyor belt 13 is located below, and the two are separated by the first partition plate 16. The feeding port 111 and the discharging port 112 are connected to ensure that the lunch boxes can pass through the entire cleaning and antibacterial process smoothly; Cooperation between the spray cleaning and the flipping component: After the lunch boxes enter the cleaning area, the flipping component starts to operate. The flipping component consists of the conveyor rollers 23 and multiple electric driving devices. By flipping the lunch boxes, it ensures that the four sides and the bottom wall of the lunch boxes can be fully contacted with the spray system. The spray pipe 17 atomizes the liquid with cleaning effect by spraying and sprays it onto the surface of the lunch boxes. The water droplets evenly cover the surface of the lunch boxes, and the flipping action takes away the dirt attached to the lunch boxes by the water droplets. During the flipping process, the water droplets in the inner cavity of the lunch boxes can also be cleaned in time to avoid dirt accumulation; Ultraviolet sterilization: After the lunch boxes are flipped and cleaned, the ultraviolet lamp 15 starts to function, irradiating the surface of the lunch boxes to kill bacteria and microorganisms, ensuring that the lunch boxes meet high-standard hygiene requirements. The disinfection effect of the ultraviolet lamp 15 effectively enhances the antibacterial ability of the lunch boxes and ensures the hygienic status of the lunch boxes; Stable movement of lunch boxes and driving component: In order to ensure the stable movement of the lunch boxes during the cleaning process and prevent jamming, the system adopts a driving component, which uses mechanisms such as the transmission disk 211 and several gears to smoothly push the lunch boxes forward. When the lunch boxes move during the flipping process, the driving component ensures that the lunch boxes pass through the cleaning channel smoothly until they are close to the discharging port 112; Ejecting component and discharging of lunch boxes: When the lunch boxes are close to the discharging port 112, the ejecting component comes into play. Through the cooperation of the lifting plate 42 and the lifting block 43, the lunch boxes will be ejected and flipped upside down, thereby ensuring that the cleaning liquid in the inner cavity of the lunch boxes is completely discharged to prevent the residual of the cleaning liquid. The design of the ejecting component effectively prevents the lunch boxes from jamming or being damaged and ensures the smooth operation of the system.
[0030] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A production method of an antibacterial lunch box, characterized in that, It includes the following process steps: S100: Raw material preparation: Select raw materials that are inherently biodegradable and have antibacterial effects, then add natural antibacterial components to the raw materials and mix them. Then, heat-treat the mixed raw materials through an injection molding machine; S200: Molding: Inject the heated raw materials into a mold through an injection molding machine and then wait for them to cool; S300: Surface treatment: Cut the molded raw materials. After cutting, perform a coating treatment on the surface of the lunch box to coat a layer of PE film on its surface, and finally dry it to ensure that the coating is completely cured; S400: Cleaning: Send the lunch boxes after batch surface treatment into an antibacterial device for cleaning and antibacterial operations to ensure that the inner and outer surfaces of the lunch boxes are kept clean; S500: Quality inspection: Visually inspect and measure the lunch boxes that have passed through the antibacterial device to ensure that they meet the design requirements. Also, test the high-temperature resistance, oil resistance, and water resistance of the lunch boxes to ensure that there are no problems such as leakage or deformation during use. Finally, ensure that the lunch box materials are non-toxic and meet food safety standards; S600: Storage: Stack the lunch boxes that have passed through the antibacterial device and package them in grades in sequence. After packaging, store the finished lunch boxes in a dry and ventilated warehouse to avoid the influence of high temperature and humid environment on the lunch boxes.
2. The production method of the antibacterial lunch box according to claim 1, characterized in that, Step S400 cleaning includes: S410: Clean the surface of the lunch boxes sent into the antibacterial device. During the movement of the lunch boxes, turn them up on the left and right sides in sequence to ensure a good cleaning effect on the outer surface of the lunch boxes. Then, turn the cleaned lunch boxes over in sequence so that the cleaned lunch boxes are sent out of the antibacterial device in an upside-down manner.
3. The production method of the antibacterial lunch box according to claim 1, characterized in that, The antibacterial device in step S400 cleaning includes a protective housing (11). Inside the protective housing (11), a first conveyor belt (12) and a second conveyor belt (13) are arranged from high to low in sequence. One end of the protective housing (11) close to the first conveyor belt (12) is a feeding port (111), and one end of the protective housing (11) close to the second conveyor belt (13) is a discharging port (112); One end of the protective housing (11) close to the feeding port (111) is fixedly connected with a support block (14), and the first conveyor belt (12) is fixedly connected to the upper side of the support block (14); Several ultraviolet lamps (15) are arranged above the second conveyor belt (13); A first partition plate (16) is fixedly connected between the first conveyor belt (12) and the second conveyor belt (13). Several spray pipes (17) are connected between the support block (14) and the first partition plate (16). The bottom wall of the protective housing (11) is fixedly connected with a water outlet (18). A turning assembly for performing left-right turning operations on the lunch boxes is connected between the spray pipes (17); A water control assembly (110) is fixedly connected to the outside of the protective housing (11), and the water control assembly (110) is communicated with each spray pipe (17).
4. The production method of the antibacterial lunch box according to claim 3, characterized in that, The flipping assembly includes a first limiting plate (21) and a second limiting plate (22). There are two conveying rollers (23) abutted between the first limiting plate (21) and the second limiting plate (22). One end of each conveying roller (23) facing the discharge port (112) is fixedly connected with a driving disc (24). One side of the driving disc (24) away from the first limiting plate (21) is rotatably connected with a first support seat (25). The lower side of the first support seat (25) is fixedly connected with a support plate (26). Two second support seats (27) are fixedly connected to the support plate (26). One side of each of the two second support seats (27) facing each other is rotatably connected with a limiting sleeve (28). A linkage column (29) is slidably connected between the two limiting sleeves (28). A transmission plate (210) is rotatably connected to the linkage column (29). One end of the transmission plate (210) away from the axis of the linkage column (29) abuts against a transmission disc (211). One side of the transmission disc (211) away from the transmission plate (210) is rotatably connected with a third support seat (212). The third support seat (212) is fixedly connected to the support plate (26); A first motor (213) is fixedly connected to one of the second support seats (27). The driving shaft of the first motor (213) is coaxially and fixedly connected with the transmission disc (211). A second motor (214) is fixedly connected to the third support seat (212). The driving shaft of the second motor (214) is coaxially and fixedly connected with the limiting sleeve (28) on the adjacent side; One side of the first support seat (25) facing the third support seat (212) is rotatably connected with a linkage disc (215). The linkage disc (215) is coaxially and fixedly connected with the driving disc (24). A first gear (216) is fixedly connected to the linkage disc (215); Two second gears (217) with opposite directions are fixedly connected to the linkage column (29). Each of the second gears (217) meshes with the first gear (216); On one side of the two conveying rollers (23) facing the feeding port (111), there is a driving component for driving the conveying rollers (23) to flip in cooperation with the conveying rollers (23); On one side of the two conveying rollers (23) facing the discharge port (112), there is an ejecting component for flipping and inverting the meal boxes after cleaning in cooperation with the flipping of the conveying rollers (23).
5. The production method of the antibacterial lunch box according to claim 4, characterized in that The driving component includes a clamping disc (31). The clamping disc (31) is rotatably connected to one side of the second limiting plate (22) facing the feeding port (111). A third gear (32) is fixedly connected to each of the conveying rollers (23); One side of the clamping disc (31) facing the feeding port (111) is rotatably connected with a fourth support seat (33). The fourth support seat (33) is fixedly connected to the support block (14); A third motor (34) is fixedly connected to the fourth support seat (33). A fourth gear (35) is fixedly connected to the driving shaft of the third motor (34); Each of the third gears (32) meshes with the fourth gear (35).
6. The production method of the antibacterial lunch box according to claim 4, characterized in that, The ejecting assembly includes an upper ejecting wheel (41), the upper ejecting wheel (41) is rotatably connected to the first limiting plate (21), an ejecting plate (42) abuts against the upper side of the upper ejecting wheel (41), and the ejecting plate (42) is slidably connected to the first limiting plate (21); An ejecting block (43) is fixedly connected to the ejecting plate (42); A first synchronous wheel (44) is fixedly connected to the driving disc (24), a second synchronous wheel (45) is fixedly connected to the first limiting plate (21) at a position coaxial with the upper ejecting wheel (41), and a synchronous belt (46) is engaged with the first synchronous wheel (44) and the second synchronous wheel (45).
7. The production method of the antibacterial lunch box according to claim 6, characterized in that, Two guiding blocks (47) are fixedly connected to the ejecting plate (42).
8. The production method of the antibacterial lunch box according to claim 3, characterized in that, A second partition plate (19) is fixedly connected inside the protective housing (11), and a limiting groove (191) is formed in the second partition plate (19).
9. The production method of the antibacterial lunch box according to claim 4, characterized in that Positioning grooves (231) are spirally formed on the conveying rollers (23).