A packaging device and packaging method for a medical BD test kit

Abstract

This invention provides a packaging device and method for medical BD test kits, including a workbench. An operating table is fixedly installed on the right side of the workbench. Multiple vertically arranged square placement cylinders are fixedly installed circumferentially on the workbench. These cylinders are used to stack cardboard and sterilization indicator cards. A rotating column is also installed on the workbench. Multiple connecting arms are fixedly connected to the circumferential sidewalls of the rotating column. Each connecting arm has a picking mechanism at its end for adsorbing the cardboard and sterilization indicator cards. A rotating shaft capable of rotating 180° at intervals is installed on the operating table. A packaging plate is fixedly connected to the top of the rotating shaft. This device can automatically stack cardboard and sterilization indicator cards in sequence and automatically complete the packaging process of stacked cardboard, achieving a high degree of automation and preventing sequence errors.

Description

Technical Field

[0001] This invention relates to the field of sterilization product manufacturing technology, and in particular to a packaging device and packaging method for a medical BD test kit. Background Technology

[0002] Pressure steam sterilization is the preferred sterilization method for high-temperature and high-humidity resistant medical devices used in hospitals. According to national standards for medical device sterilization, pre-vacuum (including pulsed vacuum) pressure steam sterilizers should undergo a no-load BD test (the BD test is used to check the air removal effect of the pre-vacuum pressure steam sterilizer) before starting sterilization operation daily. The sterilizer can only be used after passing the BD test; if the BD test fails, the cause should be identified and improvements made promptly, and the sterilizer can only be used after passing monitoring.

[0003] Medical BD test kits typically consist of multiple cardboard sheets, sterilization indicator cards, and outer packaging paper. The sterilization indicator cards are placed between the multiple cardboard sheets, and finally, the packaging paper wraps the stacked cardboard sheets together.

[0004] Currently, most medical BD test kits are packaged manually, which involves stacking multiple cardboard boxes together, inserting sterilization indicator cards, and then wrapping them with packaging paper. This method has a low degree of automation, and because the sterilization indicator cards are in fixed positions, it is easy for the order to be disordered when manually picking up and stacking the cardboard boxes. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides a packaging device and method for medical BD test kits. The device can automatically stack cardboard and sterilization indicator cards in sequence and can automatically complete the packaging process of stacking cardboard. It has a high degree of automation and will not cause any sequence errors.

[0006] To solve the above problems, the technical solution adopted by the present invention is as follows:

[0007] A packaging device for a medical BD test kit includes a workbench. An operating table is fixedly installed on the right side of the workbench. Multiple vertically arranged square placement cylinders are fixedly installed circumferentially on the workbench. These square placement cylinders are used to stack cardboard and sterilization indicator cards. A rotating column is also installed on the workbench. Multiple connecting arms are fixedly connected to the circumferential sidewalls of the rotating column. Each connecting arm has a picking mechanism at its end for adsorbing the cardboard and sterilization indicator cards. A rotating shaft capable of intermittently rotating 180° is installed on the operating table. A packaging plate is fixedly connected to the top of the rotating shaft. Both ends of the packaging plate are provided with laying grooves for laying packaging paper. A limiting groove is provided at the center of the laying groove for pressing the placement plate and sterilization indicator card into the limiting groove. A first folding plate is installed on one side of the limiting groove in the laying groove, and a second folding plate is installed on the other side of the limiting groove in the laying groove. Negative pressure holes are distributed on both the first and second folding plates. A top plate is fixedly installed above the operating table, and an edge pressing and gluing mechanism is installed at the bottom of the top plate.

[0008] Preferably, the material handling mechanism includes a mounting plate fixedly connected to the end of the connecting arm, a material handling plate is mounted on the bottom of the mounting plate, and a plurality of adsorption holes are evenly distributed on the bottom of the material handling plate, with a negative pressure pump connected to the plurality of adsorption holes.

[0009] Preferably, an electric telescopic rod is installed on the top of the mounting plate, and the telescopic end of the electric telescopic rod is fixedly connected to the material receiving plate.

[0010] Preferably, the square placement cylinder is provided with a top plate that can move up and down, and the top plate is used to push the stacked cardboard or sterilization indicator cards one by one to the opening of the cylinder.

[0011] Preferably, a first cylinder is installed below the workbench, and a connecting frame is fixedly connected to the telescopic end of the first cylinder. An arc-shaped plate is fixedly connected to the connecting frame, and multiple push rods are fixedly connected to the circumference of the arc-shaped plate. The push rods extend into the corresponding square placement cylinder and are fixedly connected to its inner top plate.

[0012] Preferably, rotating rods are rotatably connected to both sides of the limiting groove in the laying groove, and the first folding plate is fixedly connected to the corresponding rotating rod. Mounting grooves are provided on both sides of the limiting groove in the laying groove. A drive shaft is rotatably connected to the mounting groove, and the drive shaft is fixedly connected to the corresponding second folding plate. A drive shaft with a vertical drive shaft is rotatably connected to the mounting groove. The drive shaft and the transmission shaft are connected by a bevel gear pair. The ends of a pair of drive shafts and the ends of a pair of rotating rods extend out of the laying groove and are connected to a rotary cylinder.

[0013] Preferably, the negative pressure holes evenly distributed on the first and second folding plates are respectively connected to negative pressure pipes, and each of the four negative pressure pipes is equipped with a solenoid valve.

[0014] Preferably, the edge pressing and gluing mechanism includes a strip groove at the bottom of the top plate, a double-headed threaded rod rotatably connected in the strip groove, a slider threaded to both sides of the double-headed threaded rod, a second cylinder fixedly installed at the bottom of the slider, an edge pressing roller fixedly installed at the telescopic end of the second cylinder, and a pair of edge pressing rollers corresponding to a pair of second folding plates.

[0015] Preferably, the bottom of the pressing roller is provided with a plurality of glue outlet holes along its length, the pressing roller is hollow and connected to an external glue pump.

[0016] This invention also provides a packaging method for a medical BD test kit, comprising the following specific steps:

[0017] S1. Multiple sheets of cardboard are stacked in the square placement cylinders in the order of material taking. The sterilization indicator card is stacked in the middle square placement cylinder. The packaging paper is laid flat in the outer laying groove and is adsorbed by multiple negative pressure holes on a pair of first folding plates and a pair of second folding plates.

[0018] S2. Start the rotating column, which drives multiple picking plates to pass through multiple square placement cylinders in sequence. Multiple top plates move upward at the same time, pushing the cardboard or sterilization indicator card out to the cylinder opening one by one. The picking plates move downward and stick to the cardboard or sterilization indicator card at the top cylinder opening. Through the negative pressure of the adsorption holes, the entire cardboard or sterilization indicator card is adsorbed.

[0019] S3. The laying groove with the packaging paper laid out is turned to the inside, the rotating column continues to rotate, and the cardboard and sterilization indicator card are placed in the limiting groove in sequence. The first folding plate rotates to complete the folding of one side, and then the second folding plate completes the folding of the other side, so that the other side is pressed on the first side. At this time, the square packaging paper is folded into a rectangle.

[0020] S4. Start the two second cylinders to drive a pair of pressing rollers to move down and press against the two ends of the packaging paper after the first and second folds. Then start the motor to drive the double-headed threaded rod to rotate. Through a pair of sliders, the two pressing rollers move in opposite directions. On the one hand, the first and second folded edges can be pressed firmly, making it easier to fold later and preventing deviation. On the other hand, glue can be squeezed out through multiple glue outlets and applied to the surface to be folded for the third and fourth times.

[0021] S5. The wrapping process is completed automatically by folding the two ends a third and fourth time through a pair of second folding plates.

[0022] The beneficial effects of this invention are as follows:

[0023] 1. By installing a rotating column, multiple picking plates, and multiple square placement cylinders, multiple sheets of cardboard are stacked in the square placement cylinders in the picking order. The sterilization indicator card is placed in the middle square placement cylinder. The rotating column is started, and the connecting arm drives the multiple picking plates to pass through the multiple square placement cylinders in sequence. The electric telescopic rod is started to move the picking plates down, so that the picking plates can adhere to the top cardboard or sterilization indicator card. Through the negative pressure of the suction hole, the entire cardboard or sterilization indicator card is adsorbed. The multiple top plates move up at the same time, pushing out the cardboard or sterilization indicator card one by one. Then, the cardboard and sterilization indicator card are placed in the limiting groove in sequence to complete the automatic stacking process.

[0024] 2. By installing a rotatable packaging plate and a pair of laying grooves, with a limiting groove, a pair of first folding plates, and a pair of second folding plates installed in the laying grooves, two switching stations are set up. One station is used to lay the packaging paper and take out the packaged BD package, while the other station completes the automatic packaging process. The packaging paper is laid flat in the laying groove and is adsorbed by multiple negative pressure holes. The cardboard and sterilization indicator card are placed in the limiting groove. The rotary cylinder first drives one of the first folding plates to rotate, completing the folding on one side. Then, the second folding plate completes the folding on the other side. At this time, the square packaging paper is folded into a rectangle. Then, the pair of second folding plates complete the third and fourth folding on both ends, thus automatically completing the packaging process.

[0025] 3. By installing the edge pressing and gluing mechanism, before folding both ends, first start the two second cylinders to drive a pair of edge pressing rollers to move down and press against the two ends of the packaging paper after the first and second folds. Then start the motor to drive the double-headed threaded rod to rotate. Through a pair of sliders, drive the two edge pressing rollers to move in opposite directions. On the one hand, it can press the first and second folded edges firmly, making it easier for subsequent folds. On the other hand, it can squeeze out glue through multiple glue outlets and apply it to the third and fourth folded surfaces, automatically completing the sealing process. Attached Figure Description

[0026] Figure 1 This is a top view of the present invention;

[0027] Figure 2 This is a top view of the packaging board and square placement tube proposed in this invention;

[0028] Figure 3 This is a top view schematic diagram of the first cylinder structure proposed in this invention;

[0029] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point A in the diagram;

[0030] Figure 5 This is a schematic diagram of the material handling mechanism proposed in this invention;

[0031] Figure 6This is a schematic diagram of the edge pressing and gluing mechanism proposed in this invention.

[0032] In the diagram: 1. Workbench, 2. Top plate, 3, 4. Rotating shaft, 5. Packaging plate, 6. Rotating column, 7. Connecting arm, 8. Square placement cylinder, 9. Electric telescopic rod, 10. Mounting plate, 11. Operating table, 12. Laying groove, 13. Limiting groove, 14. Rotary cylinder, 15. First folding plate, 16. Second folding plate, 17. Negative pressure hole, 18. Top material plate, 19. Arc plate, 20. Top rod, 21. First cylinder, 22. Connecting frame, 23. Material picking plate, 24. Adsorption hole, 25. Strip groove, 26. Double-headed threaded rod, 27. Slider, 28. Second cylinder, 29. Edge pressing roller, 30. Glue outlet hole, 31. Bevel gear pair, 32. Mounting groove, 33. Drive shaft. Detailed Implementation

[0033] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0035] Reference Figure 1-6 A packaging device for a medical BD test kit includes a workbench 1, an operating table 11 fixedly installed on the right side of the workbench 1, and multiple vertically arranged square placement cylinders 8 fixedly installed on the workbench 1. Multiple cardboard sheets are stacked in the multiple square placement cylinders 8 in the order of material taking, and a sterilization indicator card is stacked in the middle square placement cylinder 8.

[0036] A rotating column 6 is also installed on the workbench 1. Multiple connecting arms 7 are fixedly connected to the circumferential sidewall of the rotating column 6. Each end of the multiple connecting arms 7 is equipped with a material-grabbing mechanism for adsorbing cardboard and sterilization indicator cards. The material-grabbing mechanism includes a mounting plate 10 fixedly connected to the end of the connecting arm 7. A material-grabbing plate 23 is installed at the bottom of the mounting plate 10. Multiple adsorption holes 24 are evenly distributed at the bottom of the material-grabbing plate 23. The multiple adsorption holes 24 are externally connected to a negative pressure pump. An electric telescopic rod 9 is installed at the top of the mounting plate 10. The telescopic end of the electric telescopic rod 9 is fixedly connected to the material-grabbing plate 23. When the electric telescopic rod 9 is activated, the material-grabbing plate 23 moves down, and the material-grabbing plate 23 can then adhere to the cardboard or sterilization indicator card at the top opening of the cylinder. Through the negative pressure of the adsorption holes 24, the entire cardboard or sterilization indicator card is adsorbed.

[0037] Furthermore, the square placement cylinder 8 is equipped with a top plate 18 that can move up and down. The top plate 18 is used to push the stacked cardboard or sterilization indicator cards one by one to the cylinder opening. A first cylinder 21 is installed below the workbench 1. A connecting frame 22 is fixedly connected to the telescopic end of the first cylinder 21. An arc plate 19 is fixedly connected to the connecting frame 22. Multiple top rods 20 are fixedly connected to the circumference of the arc plate 19. The top rods 20 extend into the corresponding square placement cylinder 8 and are fixedly connected to the top plate 18 inside. When the first cylinder 21 is activated, the connecting frame 22 and the arc plate 19 simultaneously drive the multiple top rods 20 to move upward, and then drive the multiple top plates 18 to move upward simultaneously, pushing the cardboard or sterilization indicator cards one by one to the cylinder opening.

[0038] The operating table 11 is equipped with a rotating shaft 4 that can rotate 180° intermittently. A packaging plate 5 is fixedly connected to the top of the rotating shaft 4. Both ends of the packaging plate 5 are provided with laying grooves 12 for laying packaging paper. Two switching stations are set on the packaging plate 5. One station is used for laying packaging paper and taking out the packaged BD package, and the other station completes the automatic packaging process. The switching is done by the rotating shaft 4.

[0039] A limiting groove 13 is provided at the center of the laying groove 12. The limiting groove 13 is for pressing in the placement plate and sterilization indicator card. The cardboard and sterilization indicator card are placed in the limiting groove 13 in sequence. During the pressing process, the packaging paper still remains in an unfolded and adsorbed state under the action of negative pressure.

[0040] A first folding plate 15 is installed on both sides of the limiting groove 13 within the laying groove 12, and a second folding plate 16 is installed on the other two sides of the limiting groove 13 within the laying groove 12. A rotating rod is rotatably connected to both sides of the limiting groove 13 within the laying groove 12. The first folding plate 15 is fixedly connected to the corresponding rotating rod. An installation groove 32 is provided on both sides of the limiting groove 13 within the laying groove 12. A drive shaft 33 is rotatably connected to the installation groove 32. The drive shaft 33 is fixedly connected to the corresponding second folding plate 16. A drive shaft perpendicular to the drive shaft 33 is rotatably connected to the installation groove 32. The drive shaft and transmission shaft 33 are connected by a bevel gear pair 31. The ends of a pair of drive shafts and a pair of rotating rods extend into laying grooves 12 and are connected to rotary cylinders 14. The corresponding rotary cylinders 14 first drive a first folding plate 15 to rotate, completing the folding of one side. Then, the second folding plate completes the folding of the other side, so that the other side is pressed on the first side. At this time, the square packaging paper is folded into a rectangle. Then, through the transmission of the drive shaft, bevel gear pair 31 and transmission shaft 33, a pair of second folding plates 16 are driven to complete the third and fourth folding of both ends.

[0041] Negative pressure holes 17 are evenly distributed on the first folding plate 15 and the second folding plate 16. The negative pressure holes 17 evenly distributed on the first folding plate 15 and the second folding plate 16 are respectively connected to negative pressure pipes. Solenoid valves are installed in the four negative pressure pipes. After each side is folded, the negative pressure can be disconnected through the solenoid valve and the packaging paper on one side can be released.

[0042] A top plate 2 is fixedly installed above the operating table 11. A pressing and gluing mechanism is installed at the bottom of the top plate 2. The pressing and gluing mechanism includes a strip groove 25 set at the bottom of the top plate 2. A double-headed threaded rod 26 is rotatably connected in the strip groove 25. A slider 27 is threadedly connected to both sides of the double-headed threaded rod 26. A second cylinder 28 is fixedly installed at the bottom of the slider 27. A pressing roller 29 is fixedly installed at the telescopic end of the second cylinder 28. A pair of pressing rollers 29 correspond to a pair of second folding plates 16. Multiple glue outlet holes 30 are provided at the bottom of the pressing roller 29 along its length. The pressing roller 29 is hollow and connected to an external glue pump.

[0043] This invention also provides a packaging method for a medical BD test kit, comprising the following specific steps:

[0044] S1. Multiple sheets of cardboard are stacked in the square placement cylinders 8 in the order of material taking. The sterilization indicator card is stacked in the middle square placement cylinder 8. The packaging paper is laid flat in the outer laying groove 12 and is adsorbed by multiple negative pressure holes 17 on a pair of first folding plates 15 and a pair of second folding plates 16.

[0045] S2. Start the rotating column 6, which drives multiple picking plates 10 to pass through multiple square placement cylinders 8 in sequence. Multiple top plates 18 move upward at the same time, pushing the cardboard or sterilization indicator card out to the cylinder opening one by one. Picking plate 23 moves downward and adheres to the cardboard or sterilization indicator card at the top cylinder opening. Through the negative pressure of the adsorption hole 24, the entire cardboard or sterilization indicator card is adsorbed.

[0046] S3. The laying groove 12 with the packaging paper laid out is rotated to the inside, the rotating column 6 continues to rotate, and the cardboard and sterilization indicator card are placed in the limiting groove 13 in sequence. The first folding plate 15 rotates to complete the folding of one side, and then the second folding plate completes the folding of the other side, so that the other side is pressed on the first side. At this time, the square packaging paper is folded into a rectangle.

[0047] S4. Start the two second cylinders 28, which drive a pair of pressing rollers 29 to move down and press against the two ends of the packaging paper after the first and second folds. Then start the motor 3 to drive the double-headed threaded rod 26 to rotate. Through a pair of sliders 27, the two pressing rollers 29 move in opposite directions. On the one hand, the first and second folded edges can be pressed firmly, making it easier to fold later and preventing deviation. On the other hand, glue can be squeezed out through multiple glue outlets 30 and applied to the surface to be folded for the third and fourth times.

[0048] S5. The two ends are folded a third and fourth time by a pair of second folding plates 16, and the wrapping process is completed automatically.

[0049] Multiple sheets of cardboard are stacked sequentially in multiple square placement cylinders 8 according to the material taking order. A sterilization indicator card is placed in the middle square placement cylinder 8. The rotating column 6 is started, and the connecting arm 7 drives multiple material taking plates 10 to pass through multiple square placement cylinders 8 in sequence. The first cylinder 21 is started, and the connecting frame 22 and the arc plate 19 drive multiple top rods 20 to move upward, and then drive multiple material taking plates 18 to move upward at the same time, pushing the cardboard or sterilization indicator card out one by one to the cylinder opening. The electric telescopic rod 9 is started to drive the material taking plate 23 to move downward, and the material taking plate 23 can then stick to the cardboard or sterilization indicator card at the top cylinder opening. Through the negative pressure of the suction hole 24, the entire cardboard or sterilization indicator card is adsorbed. The rotating column 6 continues to rotate, and the cardboard and sterilization indicator card are placed in the limiting groove 13 in sequence, thus completing the automatic stacking process.

[0050] Two switching stations are set on the packaging plate 5. One station is used to lay the packaging paper and take out the packaged BD package. The other station completes the automatic packaging process. The packaging paper is laid flat in the laying groove 12 and is adsorbed by multiple negative pressure holes 17 on a pair of first folding plates 15 and a pair of second folding plates 16. The cardboard and sterilization indicator card are placed in the limiting groove 13. During the pressing process, the paper remains in an unfolded adsorption state under the action of negative pressure. The corresponding rotary cylinder 14 first drives one of the first folding plates 15 to rotate, completing the folding on one side. Then, the second folding plate completes the folding on the other side, so that the other side is pressed on the first side. At this time, the square packaging paper is folded into a rectangle. Then, through the drive shaft, bevel gear pair 31 and transmission shaft 33, the pair of second folding plates 16 are driven to complete the third and fourth folding at both ends, thus automatically completing the packaging process.

[0051] Before folding both ends, the two second cylinders 28 are activated to drive a pair of pressing rollers 29 to move down and press against the two ends of the packaging paper after the first and second folds. Then, the motor 3 is activated to drive the double-headed threaded rod 26 to rotate. Through a pair of sliders 27, the two pressing rollers 29 move in opposite directions. On the one hand, the first and second folded edges are pressed firmly, making it easier to fold later and preventing deviation. On the other hand, glue can be squeezed out through multiple glue outlets 30 and applied to the third and fourth folded surfaces. With the third and fourth folds, the sealing process is automatically completed.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A packaging device for a medical BD test kit, comprising a workbench (1), characterized in that, An operating table (11) is fixedly installed on the right side of the workbench (1). Multiple vertically arranged square placement cylinders (8) are fixedly installed circumferentially on the workbench (1). The square placement cylinders (8) are used to stack and place cardboard and sterilization indicator cards respectively. A rotating column (6) is also installed on the workbench (1). Multiple connecting arms (7) are fixedly connected to the circumferential sidewalls of the rotating column (6). Each connecting arm (7) has a material-grabbing mechanism for adsorbing cardboard and sterilization indicator cards at its end. A rotating shaft (4) capable of intermittently rotating 180° is installed on the operating table (11). A packaging plate (5) is fixedly connected to the top of the rotating shaft (4). Both ends of the board (5) are provided with laying grooves (12) for laying packaging paper. A limiting groove (13) is provided at the center of the laying groove (12). The limiting groove (13) is used for pressing the board and sterilization indicator card. A first folding plate (15) is installed on one side of the limiting groove (13) in the laying groove (12). A second folding plate (16) is installed on the other side of the limiting groove (13) in the laying groove (12). Negative pressure holes (17) are evenly distributed on the first folding plate (15) and the second folding plate (16). A top plate (2) is fixedly installed above the operating table (11). A pressing and gluing mechanism is installed at the bottom of the top plate (2). The edge pressing and gluing mechanism includes a strip groove (25) set at the bottom of the top plate (2). A double-headed threaded rod (26) is rotatably connected in the strip groove (25). A slider (27) is threadedly connected to both sides of the double-headed threaded rod (26). A second cylinder (28) is fixedly installed at the bottom of the slider (27). An edge pressing roller (29) is fixedly installed at the telescopic end of the second cylinder (28). A pair of edge pressing rollers (29) correspond to a pair of second folding plates (16). The bottom of the edge pressing roller (29) is provided with multiple glue outlet holes (30) along its length direction. The edge pressing roller (29) is hollow and connected to an external glue pump. Rotating rods are rotatably connected to both sides of the limiting groove (13) in the laying groove (12). The first folding plate (15) is fixedly connected to the corresponding rotating rod. The other two sides of the laying groove (12) in the limiting groove (13) are provided with mounting grooves (32). A transmission shaft (33) is rotatably connected in the mounting groove (32). The transmission shaft (33) is fixedly connected to the corresponding second folding plate (16). A drive shaft of the vertical transmission shaft (33) is rotatably connected in the mounting groove (32). The drive shaft and the transmission shaft (33) are connected by a bevel gear pair (31). The ends of the pair of drive shafts and the ends of the pair of rotating rods extend out of the laying groove (12) and are connected to a rotary cylinder (14).

2. The packaging equipment for a medical BD test kit according to claim 1, characterized in that, The material handling mechanism includes a mounting plate (10) fixedly connected to the end of the connecting arm (7). A material handling plate (23) is installed at the bottom of the mounting plate (10). Multiple adsorption holes (24) are evenly distributed at the bottom of the material handling plate (23). Multiple adsorption holes (24) are connected to a negative pressure pump.

3. The packaging equipment for a medical BD test kit according to claim 2, characterized in that, An electric telescopic rod (9) is installed on the top of the mounting plate (10), and the telescopic end of the electric telescopic rod (9) is fixedly connected to the material picking plate (23).

4. The packaging equipment for a medical BD test kit according to claim 1, characterized in that, The square placement cylinder (8) is equipped with a top plate (18) that can move up and down. The top plate (18) is used to push the stacked cardboard or sterilization indicator card to the cylinder opening one by one.

5. The packaging equipment for a medical BD test kit according to claim 4, characterized in that, A first cylinder (21) is installed below the workbench (1). A connecting frame (22) is fixedly connected to the telescopic end of the first cylinder (21). An arc plate (19) is fixedly connected to the connecting frame (22). Multiple push rods (20) are fixedly connected to the circumference of the arc plate (19). The push rods (20) extend into the corresponding square placement cylinder (8) and are fixedly connected to its inner top plate (18).

6. The packaging equipment for a medical BD test kit according to claim 1, characterized in that, The negative pressure holes (17) evenly distributed on the first folding plate (15) and the second folding plate (16) are respectively connected to negative pressure pipes, and each of the four negative pressure pipes is equipped with a solenoid valve.

7. A packaging method for a packaging device based on a medical BD test kit according to any one of claims 1-6, characterized in that, The specific steps include the following: S1. Multiple sheets of cardboard are stacked in the order of material taking in multiple square placement tubes (8). Sterilization indicator cards are stacked in one of the middle square placement tubes (8). The packaging paper is laid flat in the outer laying groove (12) and adsorbed by multiple negative pressure holes (17) on a pair of first folding plates (15) and a pair of second folding plates (16). S2. Start the rotating column (6) to drive multiple picking plates (10) through multiple square placement cylinders (8) in sequence. Multiple top plates (18) move upward at the same time, pushing the cardboard or sterilization indicator card out to the cylinder opening one by one. Picking plate (23) moves downward and adheres to the cardboard or sterilization indicator card at the top cylinder opening. Through the negative pressure of the adsorption hole (24), the entire cardboard or sterilization indicator card is adsorbed. S3. The laying groove (12) with the packaging paper laid out is turned to the inside, the rotating column (6) continues to rotate, and the cardboard and sterilization indicator card are placed in the limiting groove (13) in sequence. The first folding plate (15) rotates to complete the folding of one side, and then the second folding plate completes the folding of the other side, so that the other side is pressed on the front side. At this time, the square packaging paper is folded into a rectangle. S4. Start the two second cylinders (28) to drive a pair of pressing rollers (29) to move down and press against the two ends of the packaging paper after the first and second folds. Then start the motor (3) to drive the double-headed threaded rod (26) to rotate. Through a pair of sliders (27), the two pressing rollers (29) move in opposite directions. On the one hand, the first and second folded edges can be pressed firmly, making it easy to fold later and not deviate. On the other hand, glue can be squeezed out through multiple glue outlets (30) and applied to the surface to be folded for the third and fourth times. S5. The wrapping process is completed automatically by folding the two ends a third and fourth time through a pair of second folding plates (16).

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