A medical paper-plastic packaging sterilization bag wet heat steam sterilization device
By using the technology of combining air extraction box and spray head in the wet and hot steam sterilization device of medical paper-plastic packaging sterilization bag, the two sides of the packaging bag are cleaned and sterilized simultaneously, solving the problem of low sterilization efficiency in the prior art.
Patent Information
- Application Number
- CN202411130896.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2044-08-16
AI Technical Summary
During the sterilization process of existing medical paper-plastic packaging sterilization bags, wet and hot steam sterilization devices can only sterilize one side of the packaging bag at a time, resulting in low sterilization operation efficiency.
A wet and hot steam sterilization device for medical paper-plastic packaging sterilization bags is designed. The combination of the air extraction box and the spray head is used to absorb the air extraction box and spray the wet and hot steam through the air extraction box, so as to achieve the simultaneous cleaning and sterilization of both sides of the packaging bag.
The device can clean and sterilize both sides of the packaging bag in a one-time operation, significantly improving the sterilization and cleaning efficiency.
Smart Images

Figure CN119015456B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of medical sterilization bags, in particular to a wet heat steam sterilization device for medical paper-plastic packaging sterilization bags. Background Art
[0002] Medical paper plastic bags are also called medical sterilization packaging bags or medical disinfection tube bags in the industry. The specific sterilization bags are made of paper and film sealed by high temperature, which is different from ordinary plastic packaging. The paper used is medical dialysis paper, which can analyze ethylene oxide and is a medical grade paper that is easy to dialyze. After sterilization, it can be opened cleanly without paper scraps falling off, and can be peeled off cleanly. At present, in the production process of sterilization bags, the surface of the sterilization bags needs to be sterilized by hot and humid steam.
[0003] The existing Chinese patent with publication number CN218961359U discloses a wet heat steam sterilization device for producing medical paper-plastic packaging sterilization bags, comprising a conveyor, a support frame is fixedly installed on the upper surface of the conveyor, a mounting frame is slidably installed in the support frame, a cleaning roller is rotatably installed between the mounting frames, and the outer surface of the cleaning roller is in active contact with the upper surface of the sterilization bag; the upper surface of the sterilization bag is cleaned by the rotation of the cleaning roller, which is convenient for daily use, and the cleaning roller is driven up and down by a screw rod to adjust the position of the cleaning roller, which is convenient for adjustment according to sterilization bags of different sizes;
[0004] The above patent sets a cleaning roller, and the outer surface of the cleaning roller is in active contact with the upper surface of the sterilization bag; the upper surface of the sterilization bag is cleaned by rotating the cleaning roller, which is convenient for daily use, and the cleaning roller is driven up and down by a screw to adjust the position of the cleaning roller, which is convenient for adjustment according to sterilization bags of different sizes; however, during the sterilization operation, the conveying structure can only sterilize one side of the packaging bag at a time when conveying the packaging bag for sterilization; the other side of the packaging bag needs to be re-conveyed for sterilization; it is rather cumbersome, and therefore the efficiency of the sterilization operation of the packaging bag needs to be further improved.
[0005] To this end, the present invention provides a medical paper-plastic packaging sterilization bag wet heat steam sterilization device. Summary of the invention
[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.
[0007] The technical solution adopted by the present invention to solve the technical problem is: a medical paper-plastic packaging sterilization bag wet heat steam sterilization device described in the present invention comprises a support frame, a conveyor belt is arranged at the top end of the support frame, and a support leg is arranged at the bottom end of the support frame;
[0008] A plurality of pairs of fixing frames are evenly arranged on the surface of the conveyor belt, and each pair of driving fixing frames is symmetrically arranged based on the center line of the conveyor belt; an air suction box is arranged on the surface of the fixing frame, and a first air pump is connected to the top end of the air suction box, and the input end of the first air pump is connected to the air suction box; a plurality of air suction holes are opened on the side of the air suction box facing the center line of the conveyor belt; the distance between a pair of the air suction boxes is greater than the thickness of the packaging bag to be sterilized; a pair of nozzles are arranged above the conveyor belt, and a pair of receiving frames are arranged on both sides of the nozzles; the bottom end of the receiving frame is supported on the ground; a second air pump is arranged on the top end of the receiving frame; the output end of the second air pump is connected to the nozzle, and the input end is connected to the moist hot steam storage container.
[0009] Preferably, the spacing between a pair of nozzles is the same as the spacing between the nozzles.
[0010] Preferably, a heat insulating layer is provided on the surface of the conveyor belt; the heat insulating layer is used to isolate the conveyor belt from the hot and humid steam sprayed from the nozzle.
[0011] Preferably, a receiving plate is provided at the end of the vacuum box, and a pair of the receiving plates are used to receive the packaging bag so that the packaging bag can be smoothly inserted between the pair of vacuum boxes.
[0012] Preferably, a pair of first partitions are symmetrically arranged at the top of the support frame based on the center line; the side of the first partition is slidingly connected to the side of the conveyor belt; a liquid extraction head is arranged at the end of the first partition, and a liquid extraction tube is arranged on the side of the liquid extraction head, and the liquid extraction tube is externally connected to a liquid extraction pump body.
[0013] Preferably, a connecting piece is provided on the side of the first partition; a jet head is provided at the end of the connecting piece away from the first partition, and the air suction port of the jet head points to the position between a pair of air suction boxes; a jet pipe is provided on the side of the jet head; and the jet pipe is externally connected to a jet pump body.
[0014] Preferably, the connecting member includes a hydraulic cylinder and a bracket; the housing portion of the hydraulic cylinder is fixedly connected to the side of the first partition, and the output end is connected to the bracket; the jet head is installed on the surface of the bracket.
[0015] Preferably, the vacuum box is made of lightweight plastic.
[0016] Preferably, a recovery frame is provided below the support frame, and a rotating belt is provided at the top of the recovery frame.
[0017] Preferably, a pair of second partitions are symmetrically arranged on the top of the recovery rack based on the rotating belt.
[0018] The beneficial effects of the present invention are as follows:
[0019] 1. The medical paper-plastic packaging sterilization bag wet heat steam sterilization device described in the present invention is provided with an air suction box. When in use, the air suction box adsorbs the packaging bag through the air suction hole, and one side is exposed for cleaning. Then the other side of the packaging bag is adsorbed by the air suction box, and then the other side is cleaned; after the cleaning is completed, the conveyor belt drives the subsequent packaging bags to continue cleaning; the entire cleaning process cleans both sides of the packaging bag at one time, thereby improving the sterilization and cleaning efficiency of the packaging bag.
[0020] 2. The medical paper-plastic packaging sterilization bag wet hot steam sterilization device described in the present invention is provided with a first partition; when in use, the wet hot steam sprayed from the nozzle will liquefy to form liquid water on the surface of the conveyor belt, and the liquid water is isolated and moves toward the end through the first partitions on both sides, so the liquid pump body connected to the liquid extraction pipe is started, so that the liquid extraction head extracts the liquid water on the conveyor belt to prevent excessive accumulation of liquid water on the conveyor belt and affect the use of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The present invention will be further described below in conjunction with the accompanying drawings.
[0022] Figure 1 is a stereogram of the present invention;
[0023] Figure 2 is a schematic diagram of a pair of air extraction boxes of the present invention;
[0024] Figure 3 It is a schematic diagram of the structure of the vacuum box of the present invention;
[0025] Figure 4 It is a schematic diagram of the nozzle connection structure of the present invention;
[0026] Figure 5 It is a schematic diagram of the position of the heat insulation layer of the present invention on the conveyor belt;
[0027] Figure 6 is a schematic diagram of the first partition connection structure of the present invention;
[0028] Figure 7 It is a schematic diagram of the liquid extraction head of the present invention;
[0029] Figure 8 It is a schematic diagram of the rotating belt of the present invention.
[0030] In the figure: 1. support frame; 11. conveyor belt; 111. insulation layer; 12. support leg; 13. fixed frame; 14. vacuum box; 141. receiving plate; 15. first air pump; 2. receiving frame; 21. nozzle; 22. second air pump; 3. first partition; 31. hydraulic cylinder; 311. liquid extraction head; 312. liquid extraction pipe; 32. bracket; 33. nozzle; 34. nozzle pipe; 4. recovery frame; 41. rotating belt; 42. second partition. DETAILED DESCRIPTION
[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0032] like Figures 1 to 4 As shown, a medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to an embodiment of the present invention comprises a support frame 1, a conveyor belt 11 is arranged at the top end of the support frame 1, and a support leg 12 is arranged at the bottom end of the support frame 1;
[0033] A plurality of pairs of fixing frames 13 are evenly arranged on the surface of the conveyor belt 11, and each pair of driving fixing frames 13 is symmetrically arranged based on the center line of the conveyor belt 11; an air extraction box 14 is arranged on the surface of the fixing frame 13, and a first air pump 15 is arranged at the top end of the air extraction box 14, and an input end of the first air pump 15 is connected to the air extraction box 14; a plurality of air extraction holes are provided on the side of the air extraction box 14 facing the center line of the conveyor belt 11; the spacing between a pair of air extraction boxes 14 is greater than the thickness of the packaging bag to be sterilized; a pair of nozzles 21 are arranged above the conveyor belt 11, and a pair of receiving frames 2 are arranged on both sides of the nozzles 21; the bottom end of the receiving frame 2 is supported on the ground; a second air pump 22 is arranged at the top end of the receiving frame 2; the output end of the second air pump 22 is connected to the nozzle 21, and the input end is connected to the moist hot steam storage container;
[0034] During the sterilization operation, when the conveying structure conveys the packaging bag for sterilization, only one side of the packaging bag can be sterilized each time; the other side of the packaging bag needs to be re-conveyed for sterilization; it is relatively cumbersome, so the efficiency of the sterilization operation of the packaging bag needs to be further improved; to solve the above problems, the embodiment of the present invention provides an air suction box 14; when in use, the packaging bag to be sterilized is inserted between a pair of air suction boxes 14, and the first air pump 15 at the top of one of the air suction boxes 14 of the pair of air suction boxes 14 is started, and the first air pump 15 evacuates the air suction box 14, and the air suction box 14 adsorbs the packaging bag to the The surface of the vacuum box 14 is then transported to the bottom of the nozzle 21 by the conveyor belt 11 and stops. Then the second air pump 22 draws the external hot and humid steam into the nozzle 21, and then sprays it between a pair of vacuum boxes 14 through the nozzle 21 to clean one side of the packaging bag; then the other vacuum box 14 adsorbs the packaging bag and lets the other side of the packaging bag leak out, so that the other side of the packaging bag leaks and is cleaned by the hot and humid steam; after the cleaning is completed, the conveyor belt 11 drives the subsequent packaging bags to continue cleaning; the entire cleaning process cleans both sides of the packaging bag at one time, thereby improving the sterilization and cleaning efficiency of the packaging bag.
[0035] The spacing between a pair of nozzles 21 is the same as the spacing between the nozzles 21; after cleaning one side of the packaging bag, the conveyor belt 11 drives the vacuum box 14 to continue moving. During this process, the other vacuum box 14 in the pair of vacuum boxes 14 adsorbs the packaging bag, so the other nozzle 21 can be stopped from passing underneath and can be cleaned by the other nozzle 21; this reduces the time interval for each stop of the conveyor belt 11, which is beneficial to improving the cleaning effect.
[0036] like Figures 5 to 8 As shown, a heat insulating layer 111 is provided on the surface of the conveyor belt 11; the heat insulating layer 111 is used to isolate the conveyor belt 11 from the hot and humid steam sprayed from the nozzle 21; to prevent the hot and humid steam sprayed from the nozzle 21 from directly contacting the conveyor belt 11 and scalding and damaging the conveyor belt 11, thereby reducing the service life of the conveyor belt 11.
[0037] like Figure 1 to Figure 2 As shown, a receiving plate 141 is provided at the end of the vacuum box 14. A pair of the receiving plates 141 are used to receive the packaging bag so that the packaging bag can be smoothly inserted between the pair of vacuum boxes 14, which is convenient for the staff to operate.
[0038] like Figures 5 to 8 As shown, a pair of first partitions 3 are symmetrically arranged at the top of the support frame 1 based on the center line; the side of the first partition 3 is slidably connected to the side of the conveyor belt 11; a liquid extraction head 311 is arranged at the end of the first partition 3, and a liquid extraction tube 312 is arranged on the side of the liquid extraction head 311, and the liquid extraction tube 312 is externally connected to a liquid extraction pump body; when in use, the hot and humid steam sprayed from the nozzle 21 will form liquid water on the surface of the conveyor belt 11 after liquefaction, and the liquid water is isolated by the first partitions 3 on both sides and moves toward the end, so the liquid extraction pump body connected to the liquid extraction tube 312 is started, so that the liquid extraction head 311 extracts the liquid water on the conveyor belt 11 to prevent excessive accumulation of liquid water on the conveyor belt 11 and affect the use of the overall device.
[0039] A connecting piece is provided on the side of the first partition 3; a jet head 33 is provided at the end of the connecting piece away from the first partition 3, and the air suction port of the jet head 33 points to the position between a pair of air suction boxes 14; a jet pipe 34 is provided on the side of the jet head 33; the jet pipe 34 is externally connected to a jet pump body; when in use, the jet pump body externally connected to the jet pipe 34 is started, so that the jet head 33 sprays air flow toward the packaging bag between the pair of air suction boxes 14, and the air flow acts on the surface of the cleaned packaging bag to dry the packaging bag; it should be pointed out that when drying the packaging bag, the adsorption surface of the packaging bag is intermittently changed to ensure the drying integrity.
[0040] The connecting parts include a hydraulic cylinder 31 and a bracket 32; the shell part of the hydraulic cylinder 31 is fixed to the side of the first partition 3, and the output end is connected to the bracket 32; the nozzle 33 is installed on the surface of the bracket 32; the position of the nozzle 33 can be controlled by the hydraulic cylinder 31 and the bracket 32 to avoid interference with the nozzle 33 when the vacuum box 14 flips over with the rotation of the conveyor belt 11.
[0041] The vacuum box 14 is made of lightweight plastic, which reduces the rotational resistance of the conveyor belt 11 and helps to improve the smoothness of the rotation of the conveyor belt 11 .
[0042] A recovery rack 4 is provided below the support frame 1, and a rotating belt 41 is provided at the top of the recovery rack 4. When in use, the packaging bag is released when the vacuum box 14 rotates to the bottom of the support frame 1, and the released packaging bag falls onto the rotating belt 41. The packaging bag is transferred to a designated position by controlling the rotation of the rotating belt 41, which is convenient for the staff to collect.
[0043] A pair of second partitions 42 are symmetrically arranged at the top of the recovery rack 4 and based on the rotating belt 41 ; the second partitions 42 limit the position of the packaging bags on the rotating belt 41 to prevent the packaging bags from falling from both sides of the rotating belt 41 .
[0044] During operation, when in use, the packaging bag to be sterilized is inserted between a pair of vacuum boxes 14, and the first air pump 15 at the top of one of the vacuum boxes 14 is started. The first air pump 15 evacuates the vacuum box 14, and the vacuum box 14 adsorbs the packaging bag to the surface of the vacuum box 14 through the vacuum hole. Then, the packaging bag is transported to the bottom of the nozzle 21 by the conveyor belt 11 and stops. Then, the second air pump 22 draws the external moist hot steam into the nozzle 21, and then sprays it between the pair of vacuum boxes 14 through the nozzle 21 to clean one side of the packaging bag; then, the other vacuum box 14 adsorbs the packaging bag, and the other side of the packaging bag leaks out, so that the other side of the packaging bag leaks out and is cleaned by the moist hot steam; after the cleaning is completed, the conveyor belt 11 drives the subsequent packaging bags to continue cleaning Clean; the entire cleaning process cleans both sides of the packaging bag at one time, thereby improving the sterilization and cleaning efficiency of the packaging bag; wherein after cleaning one side of the packaging bag, the conveyor belt 11 drives the vacuum box 14 to continue to move, during which the other vacuum box 14 in a pair of vacuum boxes 14 adsorbs the packaging bag, thereby stopping the other nozzle 21 from passing underneath and allowing the other nozzle 21 to clean; thereby reducing the time interval between each stop of the conveyor belt 11, thereby helping to improve the cleaning effect; wherein a heat insulation layer 111 is provided on the surface of the conveyor belt 11; the heat insulation layer 111 is used to isolate the conveyor belt 11 from the hot and humid steam sprayed from the nozzle 21; thereby preventing the hot and humid steam sprayed from the nozzle 21 from directly contacting the conveyor belt 11 and scalding and damaging the conveyor belt 11, thereby reducing the service life of the conveyor belt 11.
[0045] When in use, the hot and humid steam sprayed from the nozzle 21 will form liquid water on the surface of the conveyor belt 11 after liquefaction. The liquid water moves toward the end through the isolation of the first partitions 3 on both sides, so the liquid pump body connected to the liquid pumping pipe 312 is started, so that the liquid pumping head 311 can pump away the liquid water on the conveyor belt 11 to prevent excessive accumulation of liquid water on the conveyor belt 11 and affect the use of the overall device; when in use, the jet pump body connected to the jet pipe 34 is started, so that the jet head 33 sprays air flow toward the packaging bag between a pair of vacuum boxes 14, and the air flow acts on the surface of the cleaned packaging bag to dry the packaging bag; the connecting parts include a hydraulic cylinder 31 and a bracket 32; the shell part of the hydraulic cylinder 31 is fixedly connected to the first partition 3 The side surface and the output end are connected to the bracket 32; the nozzle 33 is installed on the surface of the bracket 32; the position of the nozzle 33 can be controlled by the hydraulic cylinder 31 and the bracket 32 to avoid interference with the nozzle 33 when the vacuum box 14 turns over with the rotation of the conveyor belt 11; the packaging bag is released when the vacuum box 14 rotates to the bottom of the support frame 1, and the released packaging bag falls onto the rotating belt 41. The packaging bag is transferred to the designated position by controlling the rotation of the rotating belt 41, which is convenient for the staff to collect; a pair of second partitions 42 are symmetrically arranged at the top of the recovery frame 4 and based on the rotating belt 41; the second partition 42 limits the position of the packaging bag on the rotating belt 41 to avoid the packaging bag falling from both sides of the rotating belt 41.
[0046] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device, characterized in that: It comprises a support frame (1), a conveyor belt (11) is arranged at the top end of the support frame (1), and a support leg (12) is arranged at the bottom end of the support frame (1); A plurality of pairs of fixing frames (13) are evenly arranged on the surface of the conveyor belt (11), and each pair of driving fixing frames (13) is symmetrically arranged based on the center line of the conveyor belt (11); an air extraction box (14) is arranged on the surface of the fixing frame (13), and a first air pump (15) is arranged at the top end of the air extraction box (14), and an input end of the first air pump (15) is connected to the air extraction box (14); a plurality of air extraction holes are opened on the side of the air extraction box (14) facing the center line of the conveyor belt (11); the distance between the pair of air extraction boxes (14) is greater than the thickness of the packaging bag to be sterilized; a pair of nozzles (21) are arranged above the conveyor belt (11), and a pair of receiving frames (2) are arranged on both sides of the nozzles (21); the bottom end of the receiving frame (2) is supported on the ground; a second air pump (22) is arranged at the top end of the receiving frame (2); the output end of the second air pump (22) is connected to the nozzle (21), and the input end is connected to a moist hot steam storage container.
2. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: The spacing between the pair of nozzles (21) is the same as the spacing between the fixing frames (13).
3. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: A heat insulating layer (111) is provided on the surface of the conveyor belt (11); the heat insulating layer (111) is used to isolate the conveyor belt (11) from the hot and humid steam sprayed from the nozzle (21).
4. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: A receiving plate (141) is provided at the end of the air extraction box (14), and a pair of the receiving plates (141) are used in conjunction with each other to receive the packaging bag, so that the packaging bag can be smoothly inserted between the pair of air extraction boxes (14).
5. The medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: A pair of first baffles (3) are symmetrically arranged at the top of the support frame (1) based on the center line; the side of the first baffle (3) is slidably connected to the side of the conveyor belt (11); a liquid extraction head (311) is arranged at the end of the first baffle (3); a liquid extraction pipe (312) is arranged on the side of the liquid extraction head (311); and the liquid extraction pipe (312) is externally connected to a liquid extraction pump body.
6. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 5, characterized in that: A connecting piece is provided on the side of the first partition (3); a jet head (33) is provided at the end of the connecting piece away from the first partition (3), the air extraction port of the jet head (33) pointing to the position between a pair of air extraction boxes (14); a jet pipe (34) is provided on the side of the jet head (33); and the jet pipe (34) is externally connected to a jet pump body.
7. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 6, characterized in that: The connecting member comprises a hydraulic cylinder (31) and a bracket (32); the shell portion of the hydraulic cylinder (31) is fixedly connected to the side surface of the first partition plate (3), and the output end is connected to the bracket (32); the jet head (33) is mounted on the surface of the bracket (32).
8. The medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: The suction box (14) is made of lightweight plastic.
9. The medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 1, characterized in that: A recovery frame (4) is provided below the support frame (1), and a rotating belt (41) is provided at the top of the recovery frame (4).
10. A medical paper-plastic packaging sterilization bag wet heat steam sterilization device according to claim 9, characterized in that: A pair of second partition plates (42) are symmetrically arranged at the top end of the recovery rack (4) and based on the rotating belt (41).
Citation Information
Patent Citations
Wet and hot steam sterilization device for producing medical paper-plastic packaging sterilization bag
CN218961359U
Novel medical tray cleaning device
CN108273791A
Automatic cleaning and disinfection bag-putting machine for medical garbage bins
CN111483723A