An industrial robot for spray coding of biological reagent bottles

Abstract

The application discloses an industrial robot for code spraying of a biological reagent bottle, which comprises a fixing frame, a conveying plate for conveying a bottle body is fixedly connected to the fixing frame, a transverse moving seat is fixedly connected to the upper side of the fixing frame, a vertical moving seat is arranged on the transverse moving seat, an ink jet cartridge for code spraying is arranged on the vertical moving seat, and a placing box for placing the bottle body is arranged on the conveying plate. When the bottle body is in contact with the resisting plate and moves outward, the synchronous belt drives the sliding rod to stably move outward along the limiting cylinder, further drives the fixing disc to move upward, and then makes the suction disc tightly contact with the bottle body. The suction disc adsorption improves the stability of the bottle body, guarantees the normal code spraying, effectively reduces the displacement of the bottle body caused by vibration, shaking and other factors in the subsequent code spraying process, ensures that the code spraying can be accurately and stably carried out, and improves the code spraying quality and production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial robots, in particular to an industrial robot for spraying codes on biological reagent bottles. BACKGROUND

[0002] Biological reagent bottles are indispensable containers in biological experiments, pharmaceutical research and development, and production. The code spraying of biological reagent bottles is a key link to ensure product traceability, compliance, and safety, especially in the fields of medicine, scientific research, and biotechnology.

[0003] Prior art one (Chinese patent with publication number CN119872078A and publication date 2025-04-25) is a multifunctional industrial robot for spraying codes on cosmetic bottle bodies, which relates to the field of code spraying technology. It includes a conveying device, which includes a gantry. A position control structure is installed on the gantry. The position control structure is installed with a robot execution structure. The robot execution structure includes two arc-shaped plates one. One of the arc-shaped plates one is installed with a camera two and a code spraying device on the outer side. The other arc-shaped plate one is installed with a liquid storage tank and a device box on the outer side. A transmission assembly and a flow divider are provided between the liquid storage tank and the device box. A clamping structure drives the rotation of the bottle body to be processed. When the human-computer interaction device detects that there is impurity dust on the bottle body to be processed that affects the code spraying processing quality, the robot execution structure works to clean the dust and impurities on the bottle body to be processed, and then performs drying treatment on the bottle body to be processed, so as to avoid the influence of accidentally adhered dust and impurities on the bottle body on the code spraying processing quality during the conveying process.

[0004] There is also prior art two (Chinese patent with publication number CN120481454A and publication date 2025-08-15) which is an industrial robot for spraying codes on cosmetic bottle bodies. It includes a support frame and a fixed seat. A transmission belt is rotatably installed on the upper side of the inner cavity of the support frame through a rotating roller. A code sprayer and first and second cameras are fixedly installed on the inner surface of the connecting seat. A dust guide cover is fixedly installed on the periphery of the fixed seat. A plurality of cleaning brushes are rotatably installed between the fixed seat and the dust guide cover. A dust collection box is fixedly installed on the outer side of the lower end of the horizontal pneumatic push rod. The dust guide cover and the dust collection box are connected and communicate with each other through a duct. An air outlet is formed in the upper end of the dust collection box. A second motor is fixedly installed in the air outlet. A fan blade is fixedly installed on the output shaft of the second motor. Through the industrial robot for spraying codes on cosmetic bottle bodies, the dust guide cover and the dust collection box can absorb dust during dust cleaning, avoiding the re-adhesion of dust and cosmetics.

[0005] Although the prior art can clean the dust on the bottle body to be processed to avoid the interference of dust on the code spraying operation, it cannot position the bottle body during the processing process. The shaking of the bottle body during the code spraying operation will affect the code spraying effect. In addition, the code drying efficiency is low after the code spraying is completed, and the code is easy to blur.

[0006] Therefore, we propose an industrial robot for biological reagent bottle code spraying to solve the problems raised in the above background. SUMMARY

[0007] The purpose of the present application is to provide an industrial robot for biological reagent bottle code spraying to solve the problems raised in the above background that the bottle body cannot be limited during processing in the current market, the shaking bottle body affects the code spraying effect during code spraying operation, and the code drying efficiency is low after code spraying, and the code is easy to blur.

[0008] To achieve the above purpose, the present application provides the following technical scheme: an industrial robot for biological reagent bottle code spraying, comprising a fixed frame, a conveying plate for conveying the bottle body is fixedly connected to the fixed frame, a transverse moving seat is fixedly connected to the upper side of the fixed frame, a vertical moving seat is provided on the transverse moving seat, and an inkjet cartridge for code spraying operation is provided on the vertical moving seat, a placing box for placing the bottle body is provided on the conveying plate, a gear is rotatably connected inside the placing box, a limiting cylinder is fixedly connected to the upper surface of the gear, a stabilizing mechanism is provided inside the limiting cylinder, the stabilizing mechanism realizes stable placement of the bottle body through the placement force of the bottle body and the movement of the included abutting plate, and a gas jet mechanism is also provided inside the placing box, which realizes the drying treatment of the inkjet through the inflation of the included auxiliary air bag.

[0009] Preferably, a slide rod is slidingly connected to the limiting cylinder, the inner end of the slide rod is fixedly connected with the abutting plate, and a spring is fixedly connected between the abutting plate and the inner wall of the limiting cylinder.

[0010] Preferably, the stabilizing mechanism includes an auxiliary box, the auxiliary box is fixedly connected to the upper surface of the gear, the auxiliary box is located at the center position of the limiting cylinder, a connecting rod is slidingly connected to the upper surface of the auxiliary box, a fixed disc is fixedly connected to the upper end of the connecting rod, and a plurality of suction cups for enhancing the stability of the bottle body placement are annularly arranged on the upper surface of the fixed disc.

[0011] Preferably, the lower end of the connecting rod is fixedly connected with an abutting block, an abutting groove is formed in the inner side of the abutting block, and the abutting groove is arranged in an inclined structure.

[0012] Preferably, an auxiliary rod is slidingly connected inside the abutting groove, a linkage rod is fixedly connected to the outer side of the auxiliary rod, and the linkage rod is slidingly connected between the limiting cylinder and the auxiliary box, the outer end of the linkage rod is fixedly connected with the outer end of the slide rod, and when the linkage rod slides outward, the abutting block moves upward under the abutting action of the auxiliary rod.

[0013] Preferably, the outer side of the placing box is fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a toothed plate, the toothed plate is slidably arranged on the placing box, and the toothed plate is in meshing connection with the gear.

[0014] Preferably, the inside of the placing box is provided with a limiting groove, the inside of the limiting groove is slidably connected with a limiting block, and the limiting block is fixedly connected with the side of the toothed plate.

[0015] Preferably, the jet mechanism comprises a first pressing plate, the first pressing plate is fixedly connected to the outside of the limiting cylinder, the outside of the limiting cylinder is further fixedly connected with a second pressing plate, the second pressing plate is below the first pressing plate, and the side wall of the placing box is fixedly connected with a first air bag and a second air bag.

[0016] Preferably, the side of the placing box is fixedly connected with a fixed block, a limiting ball is rotatably connected to the fixed block, a nozzle is fixedly connected to the limiting ball towards the inside of the placing box, a communication hose is arranged through the nozzle and the first air bag, an auxiliary air bag is fixedly connected to the side of the fixed block, a communication hose is arranged through the auxiliary air bag and the second air bag, a swing rod is fixedly connected to the limiting ball towards the outside of the placing box, and the side of the swing rod is fixedly connected with the auxiliary air bag.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] (1) The bottle body to be sprayed with a code is sequentially placed in the limiting cylinder of the placing box, the conveying plate drives the placing box to move, when the placing box reaches directly below the ink jet cartridge, the horizontal moving seat and the vertical moving seat are linked to drive the ink jet cartridge to complete the positioning and code spraying of the bottle body, after the code spraying is completed, the conveying plate continues to run to the next station, realizing full-process automatic operation, significantly improving the code spraying efficiency and reducing manual intervention.

[0019] (2) When the bottle body is placed in the limiting cylinder, it first contacts the abutting plate, exerts force on the abutting plate to move to the side of the limiting cylinder and press the spring, so that the spring is elastically deformed, according to Hooke's law, the spring exerts an opposite elastic force on the abutting plate, which is transmitted through the abutting plate to form a reaction force on the bottle body, realizing preliminary clamping and limiting, and ensuring stable placement of the bottle body and subsequent code spraying accuracy.

[0020] (3) When the abutting plate is moved outward by the bottle body, the sliding rod is synchronously driven to stably move outward along the limiting cylinder, the sliding rod pulls the linkage rod to move the abutting block upward, further moving the fixed disc upward, and then the suction disc is in close contact with the bottle body, the placement stability of the bottle body is improved by the suction effect of the suction disc, the subsequent code spraying operation is ensured to be carried out normally, the displacement of the bottle body caused by factors such as vibration and shaking in the subsequent code spraying operation process is effectively reduced, the code spraying operation can be accurately and stably carried out, and the code spraying quality and production efficiency are improved.

[0021] (4) After the code spraying operation is completed, the telescopic rod is started synchronously, thereby driving the gear plate to move, the meshed gear and the limiting cylinder are rotated through the gear plate, the bottle body is turned to the nozzle side through code spraying, at the same time, the first pressing plate at the outer end of the limiting cylinder is rotated to extrude the first air bag, the gas in the first air bag is sprayed from the nozzle through the communication hose, and acts on the code spraying position of the bottle body, so that the moisture on the code spraying surface can be quickly taken away, the drying process of the code spraying is accelerated, the phenomenon of blurring in the taking process due to incomplete drying of the code spraying is effectively avoided, and the quality and clarity of the code spraying are ensured.

[0022] (5) In the rotating process of the limiting cylinder, the second pressing plate can be synchronously driven to rotate, and the extrusion action is generated on the second air bag, at this time, the auxiliary air bag is inflated, the inflated auxiliary air bag will be in contact with the swing rod and apply a pushing force to the swing rod, the swing rod drives the limiting ball to rotate under the action of the force, and the rotation of the limiting ball will further drive the nozzle to swing, through the swinging of the nozzle, the air jet range can be effectively expanded, so that the code spraying on the bottle body can be completely dried. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0024] Figure 2 It is a three-dimensional structure schematic diagram of the inkjet cartridge of the present application;

[0025] Figure 3 It is a three-dimensional structure schematic diagram of the placing box of the present application;

[0026] Figure 4 It is a three-dimensional structure schematic diagram of the gear plate of the present application;

[0027] Figure 5 It is a three-dimensional structure schematic diagram of the limiting cylinder of the present application;

[0028] Figure 6 It is a three-dimensional sectional structure schematic diagram of the limiting cylinder of the present application;

[0029] Figure 7 It is a three-dimensional structure schematic diagram of the contact block of the present application;

[0030] Figure 8 It is a three-dimensional structure schematic diagram of the first pressing plate of the present application;

[0031] Figure 9 It is a three-dimensional structure schematic diagram of the first air bag of the present application;

[0032] Figure 10 It is a three-dimensional structure schematic diagram of the limiting ball of the present application.

[0033] In the figure: 1, fixed frame; 2, conveying plate; 3, placing box; 4, transverse moving seat; 5, vertical moving seat; 6, inkjet cartridge; 7, telescopic rod; 8, limiting cylinder; 9, gear; 10, toothed plate; 11, limiting block; 12, limiting groove; 13, fixed block; 14, nozzle; 15, abutting plate; 16, suction cup; 17, fixed disc; 18, auxiliary box; 19, sliding rod; 20, spring; 21, auxiliary air bag; 22, linkage rod; 23, auxiliary rod; 24, abutting block; 25, abutting groove; 26, connecting rod; 27, first pressing plate; 28, second pressing plate; 29, first air bag; 30, second air bag; 31, communication hose; 32, limiting ball; 33, swing rod. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0035] In order to improve work efficiency, the conveying plate 2 is arranged, the bottle to be processed is conveyed through the conveying plate 2, and manpower is saved. As shown in the technical solutions in the figures, the present application provides the following technical solution: an industrial robot for code spraying of biological reagent bottles, which discloses that the fixed frame 1 is fixedly connected with the conveying plate 2 for conveying the bottle, the upper side of the fixed frame 1 is fixedly connected with the transverse moving seat 4, the transverse moving seat 4 is provided with the vertical moving seat 5, the vertical moving seat 5 is provided with the inkjet cartridge 6 for code spraying operation, the limiting cylinder 8 is slidably connected with the sliding rod 19, the inner end of the sliding rod 19 is fixedly connected with the abutting plate 15, and the abutting plate 15 and the inner wall of the limiting cylinder 8 are fixedly connected with the spring 20. Figure 1 Figure 2 The bottles to be subjected to code spraying operation are sequentially placed in the limiting cylinder 8 arranged on the placing box 3, after the placing is completed, the conveying plate 2 is started, the conveying plate 2 will stably convey the placing box 3 according to the preset program, when the placing box 3 is conveyed to the accurate position corresponding to the inkjet cartridge 6, the transverse moving seat 4 and the vertical moving seat 5 are started synchronously, the transverse moving seat 4 and the vertical moving seat 5 cooperate with each other according to the predetermined movement logic, drive the inkjet cartridge 6 to sequentially and accurately spray the bottles placed in the limiting cylinder 8, after the code spraying operation of the bottles is completed, the conveying plate 2 continues to drive the placing box 3 to move continuously, so as to cyclically carry out the subsequent code spraying operation, thereby significantly improving the code spraying efficiency of the bottles and effectively saving manpower and time cost.

[0036] The bottles to be subjected to code spraying operation are sequentially placed in the limiting cylinder 8 arranged on the placing box 3, after the placing is completed, the conveying plate 2 is started, the conveying plate 2 will stably convey the placing box 3 according to the preset program, when the placing box 3 is conveyed to the accurate position corresponding to the inkjet cartridge 6, the transverse moving seat 4 and the vertical moving seat 5 are started synchronously, the transverse moving seat 4 and the vertical moving seat 5 cooperate with each other according to the predetermined movement logic, drive the inkjet cartridge 6 to sequentially and accurately spray the bottles placed in the limiting cylinder 8, after the code spraying operation of the bottles is completed, the conveying plate 2 continues to drive the placing box 3 to move continuously, so as to cyclically carry out the subsequent code spraying operation, thereby significantly improving the code spraying efficiency of the bottles and effectively saving manpower and time cost.

[0037] ​Example 2: To ensure the stability of the bottle during the coding process and to avoid blurry coding due to bottle shaking, such as... Figures 3-7 The present invention provides the following technical solution: an industrial robot for inkjet printing on biological reagent bottles, wherein a placement box 3 for placing bottles is provided on a conveyor plate 2, a gear 9 is rotatably connected inside the placement box 3, and a limiting cylinder 8 is fixedly connected to the upper surface of the gear 9, and a stabilizing mechanism is provided inside the limiting cylinder 8. The stabilizing mechanism achieves stable placement of the bottle through the placement force of the bottle and the movement of the contact plate 15 contained therein. The stabilizing mechanism includes an auxiliary box 18, which is fixedly connected to the upper surface of the gear 9 and located at the center of the limiting cylinder 8, and a connecting rod 2 is slidably connected to the upper surface of the auxiliary box 18. 6. At the same time, a fixed plate 17 is fixedly connected to the upper end of the connecting rod 26, and suction cups 16 for enhancing the stability of the bottle are distributed in a ring array on the upper surface of the fixed plate 17. A contact block 24 is fixedly connected to the lower end of the connecting rod 26, and a contact groove 25 is provided on the inner side of the contact block 24. The contact groove 25 is set in an inclined structure. An auxiliary rod 23 is slidably connected inside the contact groove 25, and a linkage rod 22 is fixedly connected to the outer side of the auxiliary rod 23. The linkage rod 22 is slidably connected to the limiting cylinder 8 and the auxiliary box 18. The outer end of the linkage rod 22 is fixedly connected to the outer end of the slide rod 19. When the linkage rod 22 slides outward, the contact block 24 moves upward under the action of the auxiliary rod 23.

[0038] When the bottle is placed inside the limiting cylinder 8, the bottle first comes into contact with the pre-set contact plate 15 inside the limiting cylinder 8. The bottle then applies a force to the contact plate 15, causing the contact plate 15 to move closer to the side of the limiting cylinder 8. During this movement, the contact plate 15 compresses the spring 20 connected to it, causing the spring 20 to undergo elastic deformation in accordance with the laws of elasticity. After the bottle is fully placed in position, the elastically deformed spring 20 applies an elastic force to the contact plate 15 in the opposite direction of deformation. This elastic force is transmitted to the bottle through the contact plate 15, causing the contact plate 15 to apply a reaction force to the bottle, thereby achieving the initial clamping and limiting of the bottle. This initial clamping and limiting mechanism can effectively ensure the stability of the bottle placed inside the limiting cylinder 8, providing a reliable guarantee for the accuracy of subsequent coding operations.

[0039] When the abutting plate 15 moves outward under the abutting effect of the bottle body, the sliding rod 19 is stably moved outward along the limiting cylinder 8, when the sliding rod 19 moves, a pulling force is applied to the linkage rod 22, so that the linkage rod 22 is synchronously moved outward under the action of the pulling force, the inner end of the linkage rod 22 is provided with an auxiliary rod 23, the auxiliary rod 23 is matched with the abutting groove 25 on the abutting block 24, since the abutting groove 25 is designed in an inclined structure, when the auxiliary rod 23 slides along the abutting groove 25, according to the principle of inclined plane mechanics, the auxiliary rod 23 pushes the abutting block 24 to move upward, under the driving of the abutting block 24 moving upward, the fixed disc 17 also moves upward, the suction disc 16 is installed on the fixed disc 17, when the fixed disc 17 drives the suction disc 16 to move upward and tightly contacts with the bottle body, the suction disc 16 is deformed under the action of the elasticity of the suction disc 16, the air between the suction disc 16 and the bottle body is discharged, a negative pressure environment is formed, so that a strong adsorption force is generated, and the stability of the bottle body placed in the limiting cylinder 8 is further improved.

[0040] In order to avoid the blur phenomenon caused by incomplete drying of the code spraying, an air injection mechanism is arranged, and the drying efficiency of the code spraying is further improved. Figures 8-10 The technical scheme is shown in the drawing, and the industrial robot for code spraying of a biological reagent bottle comprises a placing box 3, a limiting cylinder 8 is arranged on the inner side of the placing box 3, and a limiting block 11 is slidably connected in the limiting cylinder 8, the outer side of the limiting cylinder 8 is fixedly connected with a first pressure plate 27, the outer side of the limiting cylinder 8 is also fixedly connected with a second pressure plate 28, the second pressure plate 28 is located below the first pressure plate 27, a limiting groove 12 is formed in the placing box 3, the inner side of the limiting groove 12 is slidably connected with the limiting block 11, the edge side of the limiting block 11 is fixedly connected with a toothed plate 10, the toothed plate 10 is slidably arranged on the placing box 3 and is in meshing connection with a gear 9, the outer side of the placing box 3 is fixedly connected with a telescopic rod 7, the output end of the telescopic rod 7 is fixedly connected with the toothed plate 10, the inner side of the placing box 3 is provided with the air injection mechanism, the air injection mechanism comprises a first air bag 29, a second air bag 30, a fixed block 13, a limiting ball 32, a nozzle 14, a communication hose 31 and an auxiliary air bag 21, the side wall of the placing box 3 is fixedly connected with the first air bag 29 and the second air bag 30, the edge side of the fixed block 13 is fixedly connected with the auxiliary air bag 21, the limiting ball 32 is rotatably connected to the fixed block 13 and is fixedly connected with the nozzle 14 towards the inner side of the placing box 3, the nozzle 14 and the first air bag 29 are in communication through the communication hose 31, the auxiliary air bag 21 and the second air bag 30 are in communication through the communication hose 31, and the limiting ball 32 is fixedly connected with a swing rod 33 towards the outer side of the placing box 3.

[0041] After the code spraying operation is successfully completed, the control system synchronously starts the telescopic rod 7, the telescopic rod 7 drives the gear plate 10 connected thereto to move under the power driving, the limiting block 11 arranged on the side of the gear plate 10 slides in the limiting groove 12 in the moving process, so that the gear plate 10 can only stably move along a specific straight line direction, and deviation and shaking are avoided, the straight line movement of the gear plate 10 drives the gear 9 engaged therewith to rotate, the rotation of the gear 9 is synchronously transmitted to the limiting cylinder 8 through the fixed connection of the shaft of the gear 9 and the limiting cylinder 8, so that the limiting cylinder 8 is driven to rotate around the axis thereof, the rotation of the limiting cylinder 8 makes the code spraying side of the bottle placed in the limiting cylinder 8 accurately turn to the side of the nozzle 14, so as to prepare for the subsequent blow-drying process, when the limiting cylinder 8 rotates, the first pressing plate 27 fixedly connected to the outer end of the limiting cylinder 8 also rotates synchronously, the first pressing plate 27 gradually approaches and extrudes the first air bag 29 in the rotating process, under the extrusion of the first pressing plate 27, the first air bag 29 elastically deforms, the gas stored in the first air bag 29 is compressed, the pressure is increased, and the gas in the first air bag 29 is conveyed to the nozzle 14 through the communication hose 31, and the gas is sprayed outward from the nozzle 14 to accelerate the drying of the code on the bottle.

[0042] When the limiting cylinder 8 is in the rotating state, the second pressing plate 28 is synchronously driven to rotate in the circumferential direction, the contact surface of the second pressing plate 28 with the second air bag 30 gradually applies pressure in the rotating process, so that the second air bag 30 elastically deforms, after the second pressing plate 28 extrudes the second air bag 30, the gas in the second air bag 30 flows to the auxiliary air bag 21 through the communication hose 31, after the gas enters the auxiliary air bag 21, the volume of the auxiliary air bag 21 gradually expands, the expanded auxiliary air bag 21 comes into contact with one end of the swing rod 33 and applies a lateral thrust to the one end, under the action of the thrust of the auxiliary air bag 21, the swing rod 33 swings around the limiting ball 32, and the rotation of the limiting ball 32 can be directly transmitted to the nozzle 14 to drive the nozzle 14 to swing, so that the gas spraying range is expanded, the code is ensured to be uniformly blown by the gas flow in a short time, complete drying is realized, and quality problems such as blurring and falling off in the subsequent taking process due to incomplete drying of the code are effectively avoided.

[0043] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An industrial robot for code spraying of biological reagent bottles, comprising a fixing frame (1), a conveying plate (2) for conveying the bottle body is fixedly connected on the fixing frame (1), a transverse moving seat (4) is fixedly connected on the upper side of the fixing frame (1), a vertical moving seat (5) is arranged on the transverse moving seat (4), and an inkjet cartridge (6) for code spraying is arranged on the vertical moving seat (5), characterized in that, The conveying plate (2) is provided with a placing box (3) for placing the bottle, the inside of the placing box (3) is rotatably connected with a gear (9), the upper surface of the gear (9) is fixedly connected with a limiting cylinder (8), the inside of the limiting cylinder (8) is provided with a stabilizing mechanism, the stabilizing mechanism realizes the stable placement of the bottle through the placing force of the bottle and the movement of the contained abutting plate (15), the inside of the placing box (3) is also provided with a gas injection mechanism, the gas injection mechanism realizes the drying treatment of the inkjet through the inflation of the contained auxiliary air bag (21). The limiting cylinder (8) is slidably connected with a sliding rod (19), the inner end of the sliding rod (19) is fixedly connected with the abutting plate (15), the abutting plate (15) and the inner wall of the limiting cylinder (8) are fixedly connected with a spring (20), the stabilizing mechanism comprises an auxiliary box (18), the auxiliary box (18) is fixedly connected to the upper surface of the gear (9), the auxiliary box (18) is located at the center position of the limiting cylinder (8), the upper surface of the auxiliary box (18) is slidably connected with a connecting rod (26), the upper end of the connecting rod (26) is fixedly connected with a fixed disc (17), the upper surface of the fixed disc (17) is annularly arranged with suction cups (16) for enhancing the stability of the bottle placement, the lower end of the connecting rod (26) is fixedly connected with an abutting block (24), the inner side of the abutting block (24) is provided with an abutting groove (25), the abutting groove (25) is arranged in an inclined structure, the inside of the abutting groove (25) is slidably connected with an auxiliary rod (23), the outer side of the auxiliary rod (23) is fixedly connected with a linkage rod (22), the linkage rod (22) is slidably connected between the limiting cylinder (8) and the auxiliary box (18), the outer end of the linkage rod (22) is fixedly connected with the outer end of the sliding rod (19), when the linkage rod (22) slides outward, the abutting block (24) moves upward under the abutting action of the auxiliary rod (23).

2. The industrial robot for spray coding of biological agent vials according to claim 1, characterized in that: The outside of the placing box (3) is fixedly connected with a telescopic rod (7), the output end of the telescopic rod (7) is fixedly connected with a toothed plate (10), the toothed plate (10) is slidably arranged on the placing box (3), and the toothed plate (10) is in meshing engagement with the gear (9).

3. The industrial robot for spray coding of biological agent vials according to claim 2, characterized in that: The inside of the placing box (3) is provided with a limiting groove (12), the inside of the limiting groove (12) is slidably connected with a limiting block (11), and the limiting block (11) is fixedly connected with the side of the toothed plate (10).

4. The industrial robot for spray coding of biological agent vials according to claim 3, characterized in that: The gas injection mechanism comprises a first pressing plate (27), the first pressing plate (27) is fixedly connected to the outside of the limiting cylinder (8), the outside of the limiting cylinder (8) is also fixedly connected with a second pressing plate (28), the second pressing plate (28) is located below the first pressing plate (27), the side wall of the placing box (3) is fixedly connected with a first air bag (29) and a second air bag (30).

5. An industrial robot for spray coding of biological agent bottles according to claim 4, characterized in that: The side of the placement box (3) is fixedly connected with a fixed block (13), a limiting ball (32) is rotatably connected to the fixed block (13), a nozzle (14) is fixedly connected to the limiting ball (32) towards the inner side of the placement box (3), a communication hose (31) is provided through between the nozzle (14) and a first air bag (29), the side of the fixed block (13) is fixedly connected with an auxiliary air bag (21), and the auxiliary air bag (21) and a second air bag (30) are provided with the communication hose (31) through, the limiting ball (32) is fixedly connected with a swing rod (33) towards the outer side of the placement box (3), and the side of the swing rod (33) is fixedly connected with the auxiliary air bag (21).

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