Automatic cleaning device for sample injection bottle

Abstract

The utility model relates to the field of sample injection bottle cleaning equipment, and discloses an automatic cleaning device for a sample injection bottle. Comprising a fixing frame, a fixing plate used for fixing a sample injection bottle, a cleaning rod, a driving unit used for driving the cleaning rod to move left and right and up and down, a cleaning liquid unit used for providing clean water and methanol for the cleaning rod, a drying unit used for providing hot air for the cleaning rod, and a control unit used for controlling the driving unit, the cleaning liquid unit and the drying unit. The fixing plate is rotationally connected with the fixing frame; the cleaning rod is fixed to the fixing frame and located above the fixing plate. A cross rod is arranged at the end part of the cleaning rod; the cross rod is provided with a spray pipe and a cleaning shaft for cleaning the inner wall of the sample injection bottle; the spray pipe is located in the cleaning shaft. The cleaning fluid unit and the drying unit are communicated with the spray pipe through pipelines; and the pipeline is provided with a switch module for controlling the pipeline to be connected or disconnected. The cleaning device can be used for efficiently cleaning the sample injection bottle and improving the cleaning effect of the sample injection bottle.

Description

Technical Field

[0001] The utility model relates to the field of sample injection bottle cleaning equipment, in particular to an automatic sample injection bottle cleaning device. Background Art

[0002] There are currently two methods for cleaning the injection bottle: 1. The staff manually pours out the sample in the injection bottle, washes it with clean water, then puts the injection bottle into a container, and then pours in the cleaning solution to clean the injection bottle. Manual cleaning requires the staff to pour clean water and cleaning solution into the injection bottle one by one, which takes a long time, and the internal space of the injection bottle is relatively narrow and long. When pouring clean water and cleaning solution, it is difficult to pour because there is air in the bottle, and the efficiency is slow. 2. The injection bottle is cleaned by a cleaning device, generally using ultrasonic or bristle brushes for cleaning, but generally, a hose is used to inject clean water and cleaning solution, then ultrasonic or bristle brushes are started for cleaning, and then the injection bottle is dried through another pipeline. There are many steps and the structure is relatively complicated.

[0003] CN112547730A discloses a sample injection bottle cleaning machine for a liquid chromatograph, comprising a base plate, a sample injection bottle cleaning unit, a threaded shaft control unit and a support shaft control unit; the base plate: a support plate is fixedly connected to the upper surface, the support plates have two and are evenly distributed, a circular hole is opened on the upper part of the support plate and a support shaft is rotatably connected in the circular hole, the support shaft has two, the inner ends of the two support shafts are fixedly connected to a square plate, the lower end of the square plate is fixedly connected to a placement plate, five evenly distributed sample injection bottles are placed on the upper surface of the placement plate, the upper inner side surfaces of the two square plates are opened with a slide groove and a clamping rod is slidably connected in the slide groove, the clamping rod has two and are evenly distributed, springs are fixedly connected to both ends of the slide groove on the upper part of the square plate, the springs have four, and the inner ends of the four springs are respectively connected to the two ends of the front clamping rod and the rear clamping rod The two ends are fixedly connected, the upper end of the support plate is fixedly connected to a support rod, the upper part of the support rod is provided with a mounting hole and a threaded shaft is rotatably connected in the mounting hole, the right end of the threaded shaft passes through the support rod on the right side, the threaded shaft is threadedly connected with a threaded tube, the lower part of the outer side surface of the threaded tube is fixedly connected with a fixing block, the lower end of the fixing block is fixedly connected with an electric push rod, the right end of the upper surface of the base plate is fixedly connected with a fixing plate, the middle part of the upper surface of the base plate is slidably connected with a slide plate, a water spray pipe is installed on the upper part of the slide plate, a water spray head is installed on the water spray pipe, and there are five water spray heads that are evenly distributed, a water tank is fixedly connected to the left side of the upper surface of the base plate, a water pump is arranged in the water tank and a connecting pipe is connected to the water pump, the connecting pipe passes through the water tank, and the other end of the connecting pipe is connected to the water inlet of the water spray pipe.

[0004] According to the above description and the contents of the manual, the sample bottle cleaning machine operates the sample bottle in sequence through the water spray pipe, the sample bottle cleaning unit, and the fan, and can clean and dry the sample bottle. However, in this way, when the soft brush is used for cleaning, there is no cleaning liquid in the sample bottle, which may easily cause some stains to be unable to be cleaned. Secondly, it takes a long time and is inefficient to operate the three components separately.

[0005] The technical problem to be solved by the utility model is: how to provide a device capable of efficiently cleaning a sample injection bottle and improve the cleaning effect of the sample injection bottle. Utility Model Content

[0006] The main purpose of the utility model is to provide an automatic cleaning device for a sample injection bottle, by arranging a nozzle inside a cleaning shaft; the nozzle is connected to a cleaning liquid unit and a drying unit, and when the nozzle needs to use cleaning liquid or hot air, the control unit controls the switch, and the cleaning rod can complete the cleaning and drying operations, thereby reducing the operation steps and improving the efficiency. Secondly, the rotatable structure of the cleaning rod and the fixed plate enables multiple automatic cleaning operations to be performed, thereby improving the cleaning effect.

[0007] To achieve the above objectives, the technical solutions adopted in this application are:

[0008] An automatic cleaning device for a sample injection bottle comprises a fixing frame, a fixing plate for fixing the sample injection bottle, a cleaning rod, a driving unit for driving the cleaning rod to move left and right and up and down, a cleaning liquid unit for providing clean water and methanol to the cleaning rod, a drying unit for providing hot air to the cleaning rod, and a control unit for controlling the driving unit, the cleaning liquid unit, and the drying unit; the fixing plate is rotatably connected to the fixing frame; the cleaning rod is fixed on the fixing frame and is located above the fixing plate; a cross bar is provided at the end of the cleaning rod; the cross bar is provided with a spray pipe and a cleaning shaft for cleaning the inner wall of the sample injection bottle; the spray pipe is located inside the cleaning shaft; the cleaning liquid unit and the drying unit are both connected to the spray pipe through a pipeline; the pipeline is provided with a switch module for controlling the connection or disconnection of the pipeline.

[0009] Compared with the prior art, this solution has the following beneficial effects:

[0010] In this case, the automatic cleaning device for the sample bottle has a nozzle connecting the cleaning liquid unit and the drying unit. The cleaning liquid unit can switch different cleaning liquids to be delivered to the nozzle to clean the sample bottle. The cleaning shaft is set on the outside of the nozzle. After the cleaning liquid is added to the nozzle, the cleaning shaft can directly clean the sample bottle without moving and switching the nozzle and the cleaning shaft, which reduces the operation steps and improves efficiency. Through the combination of the fixed plate and the cleaning rod, after the cleaning is completed, the fixed plate is flipped over to dump the waste liquid, and the cleaning rod dries the sample bottle again, realizing the automation of the entire cleaning and drying process and reducing the workload of the staff.

[0011] Secondly, the cleaning liquid unit can provide clean water and methanol and switch them through the switch module. It can provide different cleaning liquids, and cooperate with the fixed plate to realize the function of flipping and dumping the waste liquid. It can automatically add cleaning liquid to the injection bottle multiple times and clean it to improve the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The structure diagram of the automatic cleaning device for the sample injection bottle of Example 1;

[0013] Figure 2 It is a side view of the automatic cleaning device for sample injection bottles of Example 1;

[0014] Figure 3 It is a structural schematic diagram of the cleaning rod of Example 1;

[0015] Figure 4 This is a half-section view of the fixing plate of Example 1. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. The components of the present application implemented as described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Example 1

[0018] refer to Figure 1-4 , an automatic cleaning device for a sample injection bottle, comprising a fixed frame 1, a fixed plate 2 for fixing the sample injection bottle, a cleaning rod 3, a driving unit 4 for driving the cleaning rod 3 to move left and right and up and down, a cleaning liquid unit 5 for providing clean water and methanol to the cleaning rod 3, a drying unit 6 for providing hot air to the cleaning rod 3, and a control unit 7 for controlling the driving unit 4, the cleaning liquid unit 5, and the drying unit 6; the fixed plate 2 is rotatably connected to the fixed frame 1; the cleaning rod 3 is fixed on the fixed frame 1 and is located above the fixed plate 2; a cross bar 31 is provided at the end of the cleaning rod 3; the cross bar 31 is provided with a nozzle 32 and a cleaning shaft 33 for cleaning the inner wall of the sample injection bottle; the nozzle 32 is located inside the cleaning shaft 33; the cleaning liquid unit 5 and the drying unit 6 are both connected to the nozzle 32 through a pipeline; the pipeline is provided with a switch module 34 for controlling the connection or disconnection of the pipeline.

[0019] In this embodiment, the driving unit 4 can adopt an XY linear module, a three-axis manipulator, a four-axis manipulator or a five-axis manipulator. The specific working process of the automatic cleaning device for the sample injection bottle is as follows: the staff fixes the sample to the fixed plate 2 and starts the control unit 7, the control unit 7 controls the driving unit 4 to insert the cleaning rod 3 into the sample injection bottle, and the control unit 7 controls the cleaning liquid unit 5 to transport clean water to the nozzle 32 and fill the sample with clean water. After the sample is filled with clean water, the cleaning shaft 33 rotates to clean the inner wall of the sample injection bottle; after the cleaning is completed, the driving unit 4 drives the cleaning rod 3 to move upward, so that the cleaning rod 3 is separated from the sample, the fixed plate 2 rotates, and the waste liquid in the sample injection bottle is poured out, and then in the same way, the cleaning liquid unit 5 uses methanol to clean the sample injection bottle; after the cleaning is completed, the drying unit 6 passes hot air into the nozzle 32 to perform hot air drying operation on the sample injection bottle. After completion, the staff can take out the sample injection bottle.

[0020] It should be noted that the staff can set the control unit 7 to clean the sample bottle with water and methanol multiple times to improve the cleaning effect. Secondly, by setting the nozzle 32 inside the cleaning shaft 33, the overall volume of the device can be reduced, and the nozzle 32 is set inside the cleaning shaft 33, and the nozzle 32 can pass the cleaning liquid and hot air, and will not affect the cleaning operation of the cleaning shaft 33. There is no need to set up multiple additional mechanisms to perform the operations of injection, cleaning, and drying, thereby improving efficiency.

[0021] Preferably, the fixing plate 2 is provided with a plurality of through holes 21 arranged in an array; the plurality of through holes 21 are used to place the injection bottles; the through holes 21 are provided with a limiting module 22 for fixing the injection bottles.

[0022] In this embodiment, the staff puts the sample injection bottle into the through hole 21 and slightly presses the sample downward to make the sample injection bottle snap into the limit module 22, so that the sample injection bottle will not fall off the fixed plate 2 when it is turned over. By providing multiple through holes 21, multiple sample injection bottles can be cleaned at one time.

[0023] Preferably, the limiting module 22 is two annular pads arranged up and down; a fixed space for limiting the movement of the injection bottle is formed between the two annular pads.

[0024] In this embodiment, the annular pad is made of rubber or plastic, and the annular pad protrudes from the inner wall of the through hole 21. When the staff puts the sample injection bottle into the through hole 21, the two annular pads will clamp the bottle mouth of the sample injection bottle, thereby fixing the sample injection bottle.

[0025] Preferably, the driving unit 4 includes a first driving module 41 for driving the cleaning rod 3 to move left and right, a second driving module 42 and a movable frame 43 for driving the cleaning rod 3 to move up and down; the first driving module 41 is fixed on the fixed frame 1; the movable frame 43 is fixed on the power end of the first driving module 41; the second driving module 42 is fixed on the movable frame 43; the power end of the second driving module 42 is fixedly connected to the cleaning rod 3.

[0026] In this embodiment, the specific working process of the driving unit 4 is as follows: the first driving module 41 drives the cleaning rod 3 to move so that the nozzle 32 is located directly above the injection bottle, and the second driving module 42 drives the cleaning rod 3 to move downward so that the nozzle 32 enters the injection bottle, and then the injection bottle is filled with liquid and cleaned.

[0027] The first driving module 41 and the second driving module 42 are both screw motors, but the use of air cylinders or hydraulic cylinders is not excluded.

[0028] Preferably, the switch module 34 is a solenoid valve.

[0029] Preferably, the cleaning rod 3 is provided with a third driving module 35 for driving the cleaning shaft 33 to rotate; the surface of the cleaning shaft 33 is provided with bristles; the cleaning shaft 33 is a hollow structure; the nozzle 32 is fixed on the cleaning rod 3 and placed inside the cleaning shaft 33.

[0030] In this embodiment, after the injection of the nozzle 32 is completed, the third driving module 35 drives the cleaning shaft 33 to rotate, so that the bristles clean the inner wall of the injection bottle. In addition, during the rotation of the cleaning shaft 33, the nozzle 32 will not rotate with the cleaning shaft 33, thereby avoiding the rotation of the nozzle 32 and causing damage to the nozzle 32. The third driving module 35 is preferably a motor, and a rotary cylinder or a hydraulic cylinder can also be selected according to actual conditions.

[0031] Preferably, the fixing frame 1 is provided with a fourth driving module 11 for driving the fixing plate 2 to flip; the fixing plate 2 is provided with a rotating shaft 23; and the rotating shaft 23 is rotatably connected to the fixing frame 1.

[0032] In this embodiment, the fourth driving module 11 drives the fixing frame 1 to rotate, so that the fixing plate 2 rotates to pour out the waste liquid in the injection bottle, thereby improving the automation degree of the device and reducing the workload of the staff.

[0033] Preferably, it further comprises a waste liquid barrel 8 ; the fixing frame 1 is provided with a collecting tank 24 for collecting waste liquid; the collecting tank 24 is provided with a guide tube 25 ; the guide tube 25 is communicated with the waste liquid barrel 8 .

[0034] In this embodiment, there is a collecting groove 24 on the fixing frame 1. When the fixing plate 2 is turned over to dump the waste liquid in the sample bottle, the waste liquid will flow into the collecting groove 24 and then be transported to the waste liquid barrel 8 through the guide pipe 25, which is convenient for the staff to collect and recycle the waste liquid.

[0035] The specific cleaning procedure of this automatic cleaning device is:

[0036] 1. The staff manually unscrews the injection bottle cap and places it on the fixed plate 2;

[0037] 2. The automatic cleaning program is set to on;

[0038] 3. The fixing plate 2 rotates 180° to make the bottle stand upside down, so that the bottle contents automatically flow to the guide pipe 25 below;

[0039] 4. After the waste liquid is poured out, the fixed plate rotates 2180°, and the cleaning rod 3 automatically aligns with the bottle mouth, injects clean water, and rotates and wipes for 1 minute. After wiping, the waste liquid is poured out;

[0040] 5. Repeat the water washing (inlet pipe No. 1) procedure 3 times, and then repeat the methanol (inlet pipe No. 2) washing procedure 3 times;

[0041] 6. After the cleaning process is completed, the cleaning rod 3 performs an air-drying process on the bottle, blowing hot air towards the bottle mouth to air-dry the bottle.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic cleaning device for a sample injection bottle, characterized in that: The invention comprises a fixing frame, a fixing plate for fixing a sample injection bottle, a cleaning rod, a driving unit for driving the cleaning rod to move left and right and up and down, a cleaning liquid unit for providing clean water and methanol to the cleaning rod, a drying unit for providing hot air to the cleaning rod, and a control unit for controlling the driving unit, the cleaning liquid unit, and the drying unit; the fixing plate is rotatably connected to the fixing frame; the cleaning rod is fixed on the fixing frame and is located above the fixing plate; a cross bar is provided at the end of the cleaning rod; the cross bar is provided with a nozzle and a cleaning shaft for cleaning the inner wall of the sample injection bottle; the nozzle is located inside the cleaning shaft; the cleaning liquid unit and the drying unit are both connected to the nozzle through a pipeline; the pipeline is provided with a switch module for controlling the connection or disconnection of the pipeline.

2. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: The fixing plate is provided with a plurality of through holes arranged in an array; the plurality of through holes are used for placing the injection bottles; the through holes are provided with a limiting module for fixing the injection bottles.

3. The automatic cleaning device for sample injection bottles according to claim 2, characterized in that: The limiting module is two annular pads arranged up and down; a fixed space for limiting the movement of the injection bottle is formed between the two annular pads.

4. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: The driving unit includes a first driving module for driving the cleaning rod to move left and right, a second driving module for driving the cleaning rod to move up and down, and a moving frame; the first driving module is fixed on the fixed frame; the moving frame is fixed on the power end of the first driving module; the second driving module is fixed on the moving frame; the power end of the second driving module is fixedly connected to the cleaning rod.

5. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: The switch module is a solenoid valve.

6. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: The cleaning rod is provided with a third driving module for driving the cleaning shaft to rotate; the surface of the cleaning shaft is provided with bristles; the cleaning shaft is a hollow structure; the nozzle is fixed on the cleaning rod and placed inside the cleaning shaft.

7. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: The fixing frame is provided with a fourth driving module for driving the fixing plate to flip; the fixing plate is provided with a rotating shaft; and the rotating shaft is rotatably connected to the fixing frame.

8. The automatic cleaning device for sample injection bottles according to claim 1, characterized in that: It also includes a waste liquid barrel; the fixed frame is provided with a collecting trough for collecting waste liquid; the collecting trough is provided with a guide pipe; the guide pipe is connected to the waste liquid barrel.

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