Automatic liquid injection device for medical aseptic cotton swab liquid dipping process
The automatic liquid injection device enables precise control and stability of the liquid application process for medical disinfectant swabs, solving the problems of difficulty in observing the amount of disinfectant used and reduced activity, and meeting the high-efficiency production requirements of medical disinfectant swabs.
Patent Information
- Application Number
- CN202422536283.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-10-21
AI Technical Summary
During the process of dipping medical disinfectant swabs in disinfectant solution, it is difficult to observe the amount of disinfectant used, the injection process needs to be manually controlled, and the activity of the disinfectant decreases over time, resulting in a decline in product quality.
An automatic liquid injection device was designed, comprising an injection module, a moving module, and a disinfection, storage, and display module. It utilizes an injection pump, a motor encoder, and a photoelectric sensor to achieve precise control and display of the injection volume. Combined with the movement adjustment of the dipping component, it ensures production stability and high precision.
It enables precise control of disinfectant usage, improves the stability and repeatability of the injection process, adapts to the needs of mass production, and allows for real-time monitoring of disinfectant storage status via a display screen, facilitating timely replenishment and maintenance.
Smart Images
Figure CN223846078U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to cotton swab automation production field, especially relate to a kind of automatic liquid injection device for medical disinfection cotton swab liquid dipping process. BACKGROUND
[0002] Medical disinfection cotton swab is widely used in various medical scenarios, including the disinfection and sterilization of small skin damage, abrasion, cut, burn and other superficial skin wounds, and skin disinfection before human injection and infusion.
[0003] At present, in the liquid dipping process of medical disinfection cotton swab, a liquid injection head is usually used for liquid dipping process, but the use amount of disinfectant during the process is difficult to observe, and the liquid injection process needs to be controlled manually, and the activity of disinfectant will decrease with time, resulting in a decrease in product quality. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims to provide an automatic liquid injection device for medical disinfection cotton swab liquid dipping process to solve the problem that the use amount of disinfectant during the process is difficult to observe, the liquid injection process needs to be controlled manually, and the activity of disinfectant will decrease with time, resulting in a decrease in product quality.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] The utility model provides an automatic liquid injection device for medical disinfection cotton swab liquid dipping process, comprising a liquid injection module for performing liquid injection action on the liquid dipping assembly during medical disinfection cotton swab liquid dipping process, a liquid injection moving assembly is provided on the liquid injection module, the liquid injection moving assembly controls the liquid injection and movement of the liquid dipping assembly, a second limiting assembly is provided on the liquid injection moving assembly, which limits the movement of the liquid dipping assembly 9.
[0007] A moving module is connected to the liquid injection module for controlling the overall movement of the liquid injection module, the moving module is connected to the liquid injection module through a sliding block, a first limiting assembly is provided on the moving module, which limits the movement of the moving module.
[0008] A disinfection storage display module is connected to the liquid injection module through a pipeline, and the disinfection storage display module is used for controlling the liquid injection process of the liquid injection module and displaying the storage condition of the disinfectant.
[0009] Further, the liquid injection moving assembly, the liquid injection head drive motor 11 is bolted on the back of the liquid injection module mounting plate, the liquid injection module mounting plate is provided with a through hole, the drive shaft of the liquid injection head drive motor 11 passes through the through hole and is connected with the fourth belt pulley 26, the liquid injection module mounting plate is provided with a through hole, the fourth belt pulley 26 is connected with the third belt pulley 13 through the third belt 14, the third belt pulley 13 is fixed on the lower part of the liquid injection module mounting plate, the pipeline connection block 12 is bolted on the top of the liquid injection module mounting plate, the pipeline connection block 12 is connected with the disinfectant input port on the top of the liquid dipping assembly 9 through the second conveying pipeline 10, the pipeline connection block 12 is provided with an L-shaped pipeline, the bottom of the L-shaped pipeline in the pipeline connection block 12 is connected with the second conveying pipeline 10, and the top of the L-shaped pipeline in the pipeline connection block 12 is connected with the first conveying pipeline 3; The liquid dipping assembly 9 is stored in a plurality of liquid dipping assemblies 9, which are uniformly fixed on the liquid dipping assembly mounting seat 19, and the liquid dipping assembly mounting seat 19 is connected with the liquid dipping assembly mounting plate, the back of the liquid dipping assembly mounting plate is bolted with the third sliding block, the third sliding block is slidingly connected with the third sliding rail 8, and the third sliding rail 8 is fixed on the liquid injection module mounting plate; The back of the liquid dipping assembly mounting plate is bolted with the second belt connecting block, and the liquid dipping assembly mounting plate is connected with the third belt 14 through the second belt connecting block.
[0010] Further, the second limiting component includes a second bending fixed plate 25 and a second photoelectric sensor 24, the second photoelectric sensor 24 is connected with the liquid injection module mounting plate, and the second bending fixed plate 25 is fixed on the top of the liquid dipping assembly mounting plate; The liquid injection head drive motor 11 is connected with a second motor encoder, and the second motor encoder is connected with the second photoelectric sensor 24.
[0011] Further, the disinfection storage display module includes a disinfectant storage tank 1, a display screen 2 and a liquid level sensor, the liquid level sensor is arranged in the disinfectant storage tank 1, the liquid level sensor is connected with the display screen 2, and the display screen 2 is used for displaying the storage condition in the disinfectant storage tank 1, the disinfectant storage tank 1 is connected with the pipeline connection block 12 through the first conveying pipeline 3, the pipeline connection block 12 is provided with a liquid injection pump, and the liquid injection pump is connected with the second motor encoder and the display screen 2.
[0012] Further, the first mounting plate in the moving module is fixed with the support seat 15, the lower part of the first mounting plate is connected with the installation folding plate 5, the second mounting plate moving motor 4 is connected with the installation folding plate 5, the main transmission pulley 32 is fixed with the output shaft of the second mounting plate moving motor 4, the main transmission pulley 32 is fixed with the first pulley 31 through the main transmission belt 16, the second pulley 7 and the first pulley 31 are fixed on the driving shaft, the driving shaft is connected with the driving shaft support seat through the bearing; the second pulley 7 and the third pulley 30 are connected through the belt, the second pulley 7 on the side of the second mounting plate moving motor installation is connected with the third pulley 30 through the second belt 6, the second pulley 7 on the side opposite to the second mounting plate moving motor installation is connected with the third pulley 30 through the first belt 20; the third pulley 30 is connected with the pulley support seat through the bearing at both ends, the pulley support seat and the driving shaft support seat are connected with the first mounting plate; the belt connecting blocks 21 fixed on both sides of the mounting plate 18 are connected with the second belt 6 and the first belt 20 respectively; the second mounting plate 18 is connected with the slide rail fixed on the first mounting plate through the slide block at the bottom, 17 on the side of the second mounting plate moving motor installation is connected with the second mounting plate 18 through the first slide block 28, the second slide rail 22 on the side opposite to the second mounting plate moving motor installation is connected with the second mounting plate 18 through the second slide block 29; the right side surface of the second mounting plate 18 is connected with the liquid injection module mounting plate through the bolt.
[0013] Further, the first limiting component comprises a first photoelectric sensor 23 and a first bending fixed plate 27, the first photoelectric sensor 23 is fixed with the first mounting plate, and the first bending fixed plate 27 is fixed on the left side surface of the second mounting plate 18; the second mounting plate moving motor 4 is connected with a first motor encoder 33, and the first motor encoder 33 is connected with the first photoelectric sensor 23.
[0014] Compared with the prior art, the automatic liquid injection device for the liquid dipping process of medical disinfection cotton sticks has the following advantages:
[0015] (1) The liquid injection pump is connected with the second motor encoder, the operation of the liquid injection pump and the liquid injection amount can be accurately controlled, the automation and accurate control of the liquid injection process are realized, the high-precision production process in the liquid dipping process of medical disinfection cotton sticks can be adapted, the stability and repeatability of the liquid injection process are improved, the large-batch production demand on the medical disinfection cotton stick production line is met, the disinfectant storage condition in the disinfectant storage box can be conveniently and timely checked on the display screen, disinfectant can be conveniently and timely supplemented, meanwhile, the action process of the liquid injection pump can be directly and intuitively displayed, and the production personnel can conveniently and timely maintain the machine.
[0016] (2) The second mounting plate moving motor drives the liquid dipping assembly to flexibly adjust in the left-right direction, so that the automatic liquid injection device can be conveniently adjusted according to the production situation of the production line in the medical disinfection cotton swab production process. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated herein for explanation by way of exemplary embodiments of the present application.
[0018] In the drawings:
[0019] Figure 1 A shaft side view of the automatic liquid injection device for the liquid dipping process of the medical disinfection cotton swab is described in the embodiment of the present application;
[0020] Figure 2 An enlarged schematic view of position A in the shaft side view of the automatic liquid injection device for the liquid dipping process of the medical disinfection cotton swab is described in the embodiment of the present application;
[0021] Figure 3 A front view schematic view of the automatic liquid injection device for the liquid dipping process of the medical disinfection cotton swab is described in the embodiment of the present application;
[0022] Figure 4 A side view schematic view of the automatic liquid injection device for the liquid dipping process of the medical disinfection cotton swab is described in the embodiment of the present application;
[0023] Figure 5 A top view schematic view of the automatic liquid injection device for the liquid dipping process of the medical disinfection cotton swab is described in the embodiment of the present application.
[0024] BRIEF DESCRIPTION OF DRAWINGS
[0025] 1, disinfectant storage tank; 2, display screen; 3, first conveying pipeline; 4, second mounting plate moving motor; 5, installation folding plate; 6, second belt; 7, second belt pulley; 8, third slide rail; 9, liquid dipping assembly; 10, second conveying pipeline; 11, liquid injection head driving motor; 12, pipeline connecting block; 13, third belt pulley; 14, third belt; 15, support seat; 16, main transmission belt; 17, first slide rail; 18, second mounting plate; 19, liquid dipping assembly mounting seat; 20, first belt; 21, belt connecting block; 22, second slide rail; 23, first photoelectric sensor; 24, second photoelectric sensor; 25, second bending fixed plate; 26, fourth belt pulley; 27, first bending fixed plate; 28, first sliding block; 29, second sliding block; 30, fifth belt pulley; 31, first belt pulley; 32, main transmission belt; 33, first motor encoder. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0027] In the description of the utility model, it is to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0028] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0029] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0030] Referring to Figures 1-5 As shown in the drawings, the embodiment provides an automatic liquid injection device for medical disinfection cotton swab liquid dipping process, which comprises an injection module, which is used for injecting liquid to the liquid dipping assembly during the medical disinfection cotton swab liquid dipping process, an injection moving assembly is arranged on the injection module, the injection moving assembly controls the injection and movement of the liquid dipping assembly, a second limiting assembly is arranged on the injection moving assembly, which moves and limits the liquid dipping assembly 9; a moving module connected with the injection module is used for controlling the overall movement of the injection module, the moving module is connected with the injection module through a sliding block, a first limiting assembly is arranged on the moving module, which moves and limits the moving module; a disinfection storage display module connected with the injection module through a pipeline, which is used for controlling the injection process of the injection module and displaying the storage condition of the disinfectant.
[0031] Specifically, in this embodiment, the liquid injection head drive motor 11 is bolted to the back of the liquid injection module mounting plate. The liquid injection module mounting plate has a through hole. The drive shaft of the liquid injection head drive motor 11 passes through the through hole and is connected to the fourth belt pulley 26. The liquid injection module mounting plate has a through hole. The fourth belt pulley 26 is connected to the third belt pulley 13 through the third belt 14. The third belt pulley 13 is fixed to the lower part of the liquid injection module mounting plate. The pipeline connection block 12 is bolted to the top of the liquid injection module mounting plate. The pipeline connection block 12 is connected to the disinfectant input port at the top of the liquid dipping assembly 9 through the second conveying pipeline 10. The pipeline connection block 12 has an L-shaped pipeline inside. The bottom of the L-shaped pipeline in the pipeline connection block 12 is connected to the second conveying pipeline 10. The top of the L-shaped pipeline in the pipeline connection block 12 is connected to the first conveying pipeline 3. The liquid dipping assembly 9 is stored in several liquid dipping assemblies 9. The liquid dipping assemblies 9 are evenly fixed on the liquid dipping assembly mounting seat 19. The liquid dipping assembly mounting seat 19 is connected to the liquid dipping assembly mounting plate at the back. The back of the liquid dipping assembly mounting plate is bolted to the third sliding block. The third sliding block is slidingly connected to the third sliding rail 8. The third sliding rail 8 is fixed to the liquid injection module mounting plate. The back of the liquid dipping assembly mounting plate is bolted to the second belt connection block. The liquid dipping assembly mounting plate is connected to the third belt 14 through the second belt connection block.
[0032] In the medical disinfectant cotton swab dipping process, the liquid injection head in the liquid dipping assembly 9 is aligned with the cotton swab head. After the liquid injection action, the production process produces medical disinfectant cotton with disinfectant. The liquid dipping assembly 9 is arranged on the production line, so the liquid injection action process according to the liquid dipping assembly is decomposed.
[0033] In the liquid injection moving assembly, the liquid injection head drive motor 11 in the liquid dipping assembly is used to drive the liquid dipping assembly to move up and down. When the liquid dipping assembly moves downward to the dipping point, the liquid injection action is driven to inject disinfectant into the cotton swab head. After the liquid injection is completed, the liquid dipping assembly moves upward and leaves the finished product. The cotton swab that has not been dipped is subjected to the liquid injection action again, and the entire process step is cycled.
[0034] Specifically, in this embodiment, the second limiting assembly includes a second bending fixed plate 25 and a second photoelectric sensor 24. The second photoelectric sensor 24 is connected to the liquid injection module mounting plate. The second bending fixed plate 25 is fixed to the top of the liquid dipping assembly mounting plate. The liquid injection head drive motor 11 is connected to a second motor encoder. The second motor encoder is connected to the second photoelectric sensor 24.
[0035] Specifically, in this embodiment, the disinfection storage display module includes a disinfectant storage tank 1, a display screen 2, and a liquid level sensor. The liquid level sensor is arranged in the disinfectant storage tank 1 and connected to the display screen 2, for displaying the storage condition of the disinfectant storage tank 1. The disinfectant storage tank 1 is connected to the pipeline connection block 12 through the first conveying pipeline 3, and the pipeline connection block 12 is provided with a liquid injection pump connected to the second motor encoder and the display screen 2.
[0036] In this embodiment, the liquid injection head drive motor 11 is connected to the second motor encoder, and the second motor encoder is connected to the second photoelectric sensor 24. The movement of the liquid injection head drive motor is limited by the second photoelectric sensor 24. The liquid injection pump is connected to the second motor encoder and the display screen 2. The disinfectant storage tank 1 is provided with a liquid level sensor connected to the display screen 2. In the automatic liquid injection device, the liquid injection pump is connected to the second motor encoder, which can accurately control the operation and liquid injection amount of the liquid injection pump, thereby realizing the automation and accurate control of the liquid injection process, adapting to the high-precision production process in the medical disinfectant cotton swab liquid dipping process, improving the stability and repeatability of the liquid injection process, meeting the mass production demand on the medical disinfectant cotton swab production line, and facilitating timely checking and supplementing of the disinfectant in the disinfectant storage tank through the display screen. At the same time, the operation process of the liquid injection pump can also be directly displayed, which is convenient for production personnel to timely maintain the machine.
[0037] Specifically, in this embodiment, the first mounting plate in the moving module is fixed to the support seat 15, and the first mounting plate is connected to the installation flaps 5 at the lower part. The second mounting plate moving motor 4 is connected to the installation flaps 5, and the main drive pulley 32 is fixed to the output shaft of the second mounting plate moving motor 4. The main drive pulley 32 is fixed to the first pulley 31 through the main drive belt 16. The second pulley 7 and the first pulley 31 are fixed to the driving shaft, and the driving shaft is connected to the driving shaft support seat through the bearing. The second pulley 7 and the third pulley 30 are connected through the belt. The second pulley 7 on the side of the second mounting plate moving motor installation is connected to the third pulley 30 through the second belt 6, and the second pulley 7 on the opposite side of the second mounting plate moving motor installation is connected to the third pulley 30 through the first belt 20. The third pulley 30 is connected to the pulley support seat through the bearing at both ends. The pulley support seat and the driving shaft support seat are connected to the first mounting plate. The belt connection blocks 21 fixed on both sides of the mounting plate 18 are connected to the second belt 6 and the first belt 20, respectively. The bottom of the second mounting plate 18 is connected to the sliding block and the sliding rail fixed to the first mounting plate. The 17 on the side of the second mounting plate moving motor installation is connected to the second mounting plate 18 through the first sliding block 28, and the second sliding rail 22 on the opposite side of the second mounting plate moving motor installation is connected to the second mounting plate 18 through the second sliding block 29. The right side of the second mounting plate 18 is connected to the liquid injection module mounting plate through the bolt.
[0038] Specifically, in the embodiment, the first limiting assembly comprises a first photoelectric sensor 23, and a first bent fixing plate 27, the first photoelectric sensor 23 is fixed with the first mounting plate, and the first bent fixing plate 27 is fixed on the left side of the second mounting plate 18; the second mounting plate moving motor 4 is connected with a first motor encoder 33, and the first motor encoder 33 is connected with the first photoelectric sensor 23.
[0039] In the embodiment, the second mounting plate moving motor 4 drives the liquid dipping assembly to be placed left and right to be lowered, so that flexible adjustment can be carried out, and the automatic liquid injection device can be conveniently adjusted according to the production situation of the production line in the medical disinfection cotton swab production process.
[0040] The above merely describes preferred embodiments of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An automatic liquid injection device for a medical sterilization swab dipping process, characterized by, The application relates to a medical disinfectant cotton swab liquid-dipping device, which comprises a liquid-dipping module for performing liquid-dipping operation on a liquid-dipping assembly during a medical disinfectant cotton swab liquid-dipping process, wherein a liquid-dipping moving assembly is arranged on the liquid-dipping module, the liquid-dipping moving assembly controls the liquid-dipping and movement of the liquid-dipping assembly, a second limiting assembly is arranged on the liquid-dipping moving assembly, and the second limiting assembly limits the movement of the liquid-dipping assembly (9). A moving module is connected with the liquid-dipping module and is used for controlling the overall movement of the liquid-dipping module, the moving module is connected with the liquid-dipping module through a sliding block, a first limiting assembly is arranged on the moving module, and the first limiting assembly limits the movement of the moving module. A disinfectant storage display module is connected with the liquid-dipping module through a pipeline, the disinfectant storage display module is used for controlling the liquid-dipping process of the liquid-dipping module and displaying the storage condition of disinfectant.
2. The automatic liquid injection device for the medical sterilization swab dip process according to claim 1, wherein In the liquid-dipping moving assembly, a liquid-dipping head driving motor (11) is bolted on the back of a liquid-dipping module mounting plate, through holes are arranged on the liquid-dipping module mounting plate, the driving shaft of the liquid-dipping head driving motor (11) penetrates through the through holes and is connected with a fourth belt pulley (26), through holes are arranged on the liquid-dipping module mounting plate, the fourth belt pulley (26) is connected with a third belt pulley (13) through a third belt (14), the third belt pulley (13) is fixed on the lower portion of the liquid-dipping module mounting plate, a pipeline connecting block (12) is bolted on the top of the liquid-dipping module mounting plate, the pipeline connecting block (12) is connected with the disinfectant input port on the top of the liquid-dipping assembly (9) through a second conveying pipeline (10), an L-shaped pipeline is arranged in the pipeline connecting block (12), the bottom of the L-shaped pipeline in the pipeline connecting block (12) is connected with the second conveying pipeline (10), and the top of the L-shaped pipeline in the pipeline connecting block (12) is connected with a first conveying pipeline (3); a plurality of liquid-dipping assemblies (9) are arranged, the liquid-dipping assemblies (9) are uniformly fixed on a liquid-dipping assembly mounting seat (19), the liquid-dipping assembly mounting seat (19) is connected with a liquid-dipping assembly mounting plate, the back of the liquid-dipping assembly mounting plate is bolted with a third sliding block, the third sliding block is slidingly connected with a third sliding rail (8), the third sliding rail (8) is fixed on the liquid-dipping module mounting plate, the back of the liquid-dipping assembly mounting plate is bolted with a second belt connecting block, and the liquid-dipping assembly mounting plate is connected with the third belt (14) through the second belt connecting block.
3. The automatic liquid applicator for use in the process of dipping medical sterilization swabs according to claim 1, characterized in that, The second limiting assembly comprises a second bending fixing plate (25) and a second photoelectric sensor (24), the second photoelectric sensor (24) is connected with the liquid-dipping module mounting plate, and the second bending fixing plate (25) is fixed on the top of the liquid-dipping assembly mounting plate; the liquid-dipping head driving motor (11) is connected with a second motor encoder, and the second motor encoder is connected with the second photoelectric sensor (24).
4. The automatic liquid dispensing device for the medical sterilization swab dip process according to claim 1, wherein The disinfection storage display module comprises a disinfectant storage tank (1), a display screen (2) and a liquid level sensor, the liquid level sensor is arranged in the disinfectant storage tank (1), the liquid level sensor is connected with the display screen (2) and used for displaying the storage condition in the disinfectant storage tank (1), the disinfectant storage tank (1) is connected with a pipeline connecting block (12) through a first conveying pipeline (3), the pipeline connecting block (12) is provided with a liquid injection pump, and the liquid injection pump is connected with a second motor encoder and the display screen (2).
5. The automatic liquid dispensing device for use in the process of dipping medical sterilization swabs according to claim 1, wherein The first mounting plate is fixed with the support seat (15) in the moving module, the lower part of the first mounting plate is connected with the mounting folding plate (5), the second mounting plate moving motor (4) is connected with the mounting folding plate (5), the main transmission pulley (32) is fixed with the output shaft of the second mounting plate moving motor (4), the main transmission pulley (32) is fixed with the first pulley (31) through the main transmission belt (16), the second pulley (7) and the first pulley (31) are fixed on the driving shaft, and the driving shaft is connected with the driving shaft support seat through a bearing; the second pulley (7) is connected with the fifth pulley (30) through a belt, the second pulley (7) on the side of the second mounting plate moving motor is connected with the fifth pulley (30) through the second belt (6), and the second pulley (7) on the side opposite to the second mounting plate moving motor is connected with the fifth pulley (30) through the first belt (20); the fifth pulley (30) is connected with the pulley support seat through a bearing at both ends, the pulley support seat and the driving shaft support seat are connected with the first mounting plate; the belt connecting blocks (21) fixed on both sides of the mounting plate (18) are connected with the second belt (6) and the first belt (20) respectively; the second mounting plate (18) is connected with the slide rail fixed on the first mounting plate through a sliding block at the bottom, the (17) on the side of the second mounting plate moving motor is connected with the second mounting plate (18) through the first sliding block (28), and the second slide rail (22) on the side opposite to the second mounting plate moving motor is connected with the second mounting plate (18) through the second sliding block (29); the right side surface of the second mounting plate (18) is connected with the liquid injection module mounting plate through a bolt.
6. The automatic liquid dispensing device for use in the process of dipping medical sterilization swabs according to claim 1, wherein The first limiting assembly comprises a first photoelectric sensor (23) and a first bent fixing plate (27), the first photoelectric sensor (23) is fixed with the first mounting plate, and the first bent fixing plate (27) is fixed on the left side surface of the second mounting plate (18); the second mounting plate moving motor (4) is connected with a first motor encoder (33), and the first motor encoder (33) is connected with the first photoelectric sensor (23).