CN116000039A - A fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles - Google Patents

Abstract

The invention provides a fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, which belongs to the technical field of cleaning equipment. It solves the problems of manual cleaning of existing tissue culture bottles, high strength and extremely low efficiency. The invention comprises a cleaning device, a feeding conveyor belt and an unloading conveyor belt. The bottles to be cleaned are conveyed in intervals by the feeding conveyor belt. Contrary to the conveying direction of the unloading conveyor belt, the cleaning device is located on one side of the unloading conveyor belt, and a pushing device is also provided on one side of the loading conveyor belt. The bottle is pushed into the cleaning device for cleaning, and the cleaned bottle is sent out by the unloading conveyor belt. The invention has the advantages of being able to automatically complete the work of loading, cleaning and unloading, and has a high degree of automation.

Description

A fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles

technical field

The invention belongs to the technical field of bottle washing equipment and relates to a fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles.

Background technique

In the factory tissue culture production of seedlings such as clematis, Dendrobium officinale, flowers and fruits, the amount of tissue culture bottles is huge and the inner and outer surfaces of the tissue culture bottles are required to be clean. At present, most of the cleaning of tissue culture bottles is done by semi-manual and semi-mechanical operations. After the first tissue culture of recycled tissue culture bottles, part of the culture medium will adhere to the inner wall of the tissue culture bottles, and the waste medium needs to be manually removed ( If it cannot be cleaned in time, it will be more difficult to clean after the medium hardens and sticks) or first soak the tissue culture bottle for a period of time, then stir to pour out the tissue culture residue and nutrient solution in the bottle, and then manually put the bottle on the brush Hold the bottle on the electric rotating shaft and wash it, and finally spray it with clean water. The workload is heavy (for a small-scale seedling supply base, basically 18,000 tissue culture bottles need to be cleaned a week), the strength is high and the efficiency is extremely low ( A worker can only clean 600 (winter) to 1000 (summer) tissue culture bottles a day).

At the same time, during the cleaning process of the brush, it is easy to shed or break the hair and there are dead ends. In addition, the tissue culture bottle is a narrow-mouth bottle. The matrix is removed, and the degree of cleanliness is difficult to meet the requirements. Moreover, no matter whether it is manual cleaning or using a semi-automatic brush cleaning machine, immersion of hands in water and splashing of water droplets cannot be avoided, especially when working in a humid and cold environment in winter, which seriously affects the health of workers and the work efficiency is not high.

Contents of the invention

The purpose of the present invention is to solve the above-mentioned problems existing in existing bottle washing machines, and propose a washing machine capable of realizing automatic cleaning of tissue culture bottles.

The purpose of the present invention can be achieved through the following technical solutions:

A fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, which is characterized in that it includes a cleaning device, a feeding conveyor belt and a feeding conveyor belt. The feeding conveyor belts are arranged in parallel and at intervals along the conveying width direction, the conveying directions of the feeding conveyor belt and the unloading conveyor belt are opposite, the cleaning device is located on one side of the unloading conveyor belt, and the side of the feeding conveyor belt is also equipped with a pusher Device, the pushing device is used to push the bottles on the feeding conveyor belt into the cleaning device for cleaning operation, and the cleaned bottles are sent out by the feeding conveyor belt.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the automatic bottle washing machine also includes a feeding device and a feeding device, and the feeding conveyor belt and the discharging conveyor belt are connected with the feeding device and the lower feeding device respectively. The feeding device is docked, the bottles to be cleaned are stored in the feeding device and sent to the paper cleaning device by the feeding conveyor belt, and the cleaned bottles are sent to the discharging device by the feeding conveyor belt for collection.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the feeding device includes a feeding turntable, and the unloading device includes a feeding tray, and the feeding turntable and the unloading turntable are respectively arranged on the feeding conveyor belt. On the outside of the feeding conveyor belt, the turning of the feeding turntable and the feeding turntable is opposite; there is a discharge port on the feeding turntable, which is connected to the feeding end of the feeding conveyor belt. A feeding port is opened, and the feeding port is docked with the feeding end of the feeding conveyor belt.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the feeding conveyor belt is provided with a number of baffles, and the number of baffles are evenly spaced along the circumference of the conveyor belt. The gap between them forms a conveying station for placing bottles. After the feeding turntable rotates, the bottle is pushed from the discharge port into the conveying station.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the feeding device also includes a guide plate, and several guide plates are erected above the feeding turntable, and each bottle moves to the feeding conveyor belt along the guide plate superior.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the cleaning device includes a frame and a bottle taking assembly, a brush assembly, and a water spray assembly arranged on the frame. Cleaning stations, each cleaning station is arranged at intervals along the conveying direction, and each cleaning station is correspondingly equipped with a brush assembly and a water spray assembly. The bottle fetching assembly is rotatably arranged on the frame for receiving the bottle pushed in by the pushing device, and the bottle fetching assembly is overturned to send the bottle to the cleaning station.

In the above-mentioned automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the brush assembly includes an inner brush and an outer brush. The brush is set under the bottle, and the outer brush rotates against the outer circumference of the bottle for cleaning work. There is also a lifting cylinder on the frame to drive the inner brushes up and down, so that the inner brushes can reciprocate The inside of the bottle is cleaned.

In the above-mentioned automatic cleaning machine for inner and outer walls of plant tissue culture bottles, the water spray assembly includes an inner nozzle and an outer nozzle, the positions of the inner nozzle and the outer nozzle correspond to the inner brush and the outer brush respectively, and the inner nozzle Synchronous lifting with inner brush.

In the above-mentioned automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the bottle-taking assembly includes a base plate, a pressing plate, and a bottle-taking cylinder. The bottle fetching cylinder is fixedly arranged on the frame to drive the pressing plate to rotate, and the pushing device pushes the bottle to move to the base plate, and the pressing plate is provided with several elastic pressing pieces for pressing the bottles on the base plate.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the bottle taking assembly also includes idlers, and several idlers are vertically rotated and arranged between the bottom plate and the pressure plate, and the outer surface of the idlers is against the Lean on the body of the bottle.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the elastic pressing member includes a pressure wheel, a wheel shaft, and a spring. The spring is elastically pressed between the wheel shaft and the pressing plate to drive the wheel shaft down, so that the outer wheel surface of the pressing wheel is elastically pressed against the bottle body.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the frame is also provided with a rotating mechanism for driving each bottle and the outer brush to rotate for cleaning. The driving mechanism includes a pressing block, a spline Shaft, shaft sleeve, transmission sprocket 1, transmission sprocket 2, driving sprocket, bottle pressing cylinder, rotating motor, the bottom of the spline shaft is fixedly connected with the pressing block, and its top is rotated on the shaft sleeve. The cylinder is connected with the shaft sleeve through a universal joint to drive the pressing block up and down; the transmission sprocket set is arranged on the outer periphery of the spline shaft, the second transmission sprocket is fixedly connected with the outer brush, and the output of the driving sprocket and the rotating motor The shafts are fixed, and a chain is closed and wound on the driving sprocket, transmission sprocket 1, and transmission sprocket 2. The rotating motor drives the pressing block and the outer brush to rotate, and the bottle pressing cylinder drives the pressing block to descend and press on the bottom of the bottle.

In the above-mentioned fully automatic cleaning machine for the inner and outer walls of the plant tissue culture bottle, the pushing device includes a pushing plate and a pushing cylinder, and the pushing plate is horizontally arranged on the outside of the feeding conveyor belt, and the pushing cylinder is used for Drive the push plate to translate along the conveying width direction.

In the above-mentioned automatic cleaning machine for the inner and outer walls of plant tissue culture bottles, the cleaning device also includes a bottle pushing assembly for pushing the cleaned bottle onto the feeding conveyor belt, and the bottle pushing assembly includes a shifting block, The mounting rod, the bottle pushing cylinder, and the shifting blocks are fixedly arranged on the mounting rod and arranged at even intervals along the conveying direction. The position of each shifting block corresponds to the position of the bottle on the cleaning station, and each shifting block is rotated by the mounting rod. On the frame, the bottle pushing cylinder is fixedly arranged on the frame to drive the mounting rod to rotate and drive the shifting block to turn over to push the bottle.

Compared with the prior art, the present invention stores the bottles to be cleaned in the feeding device, and transports the bottles to the cleaning device through the feeding conveyor belt, and pushes the bottles on the feeding conveyor belt into the cleaning device through the pushing device. The cleaning operation is carried out in the device, and the cleaned bottles are sent to the unloading device by the unloading conveyor belt for collection. The invention has a high degree of automation and can automatically complete the work of loading, cleaning and unloading.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is the position schematic diagram of bottle taking assembly of the present invention and feeding conveyer belt and unloading conveyer belt;

Fig. 3 is a structural representation of the bottle-getting assembly of the present invention;

Fig. 4 is the schematic diagram of the position before the bottle of the present invention is overturned;

Fig. 5 is a schematic diagram of the position of the bottle of the present invention after being overturned;

Fig. 6 is the structural representation after the bottle of the present invention is turned over;

Fig. 7 is a schematic structural view of the rotating mechanism of the present invention;

Fig. 8 is a schematic structural view of the bottle pushing assembly of the present invention.

In the figure, 1. bottle; 2. feeding conveyor belt; 3. feeding conveyor belt; 4. feeding turntable; 5. feeding tray; 6. outlet; 7. inlet; ; 9, guide plate; 10, inner hair brush; 11, outer hair brush; 12, base plate; 13, pressure plate; 14, bottle cylinder; 15, wheel; 16, pressure wheel; 17, axle; 18, spring; 19, briquetting block; 20, spline shaft; 21, shaft sleeve; 22, transmission sprocket one; 23, transmission sprocket two; 24, driving sprocket; 25, bottle pressure cylinder; 26, rotating motor; 27, ten thousand 28, push plate; 29, shift block; 30, installation rod; 31, push bottle cylinder; 32, frame.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Fig. 1, a kind of automatic cleaning machine for the inner and outer walls of a plant tissue culture bottle according to the present invention includes a cleaning device, a feeding device, a feeding device, and a feeding conveyor docked with the feeding device and the feeding device respectively. Belt 2 and unloading conveyor belt 3, the bottles to be cleaned 1 are stored in the feeding device and transported by the feeding conveyor belt 2 at intervals. The conveying direction of the feeding conveyor belt 2 and the unloading conveyor belt 3 is opposite, the cleaning device is located on one side of the unloading conveyor belt 3, and the side of the feeding conveyor belt 2 is also provided with a pushing device, which is used to push the upper The bottle 1 on the material conveyor belt 2 is pushed into the cleaning device to carry out the cleaning operation, and the cleaned bottle 1 is sent into the blanking device by the material conveyor belt 3 for collection.

The feeding device includes a feeding carousel 4, and the unloading device includes a blanking tray. The feeding carousel 4 and the unloading carousel 5 are respectively arranged on the outside of the feeding conveyor belt 2 and the unloading conveyor belt 3. The feeding carousel 4 and the unloading conveyor belt The rotation of the turntable 5 is opposite; the feeding turntable 4 has a discharge opening 6, which is connected to the feeding end of the feeding conveyor belt 2, and the feeding turntable 4 is provided with a feed opening 7. The feeding port 7 is docked with the feeding end of the feeding conveyor belt 3 . The feeding conveyor belt 2 is provided with a plurality of baffles 8, and the plurality of baffles 8 are evenly spaced along the circumference of the conveyor belt, and the gap between two adjacent baffles 8 forms a conveying station for placing bottles 1, After the feeding turntable 4 rotates, the bottle 1 is pushed into the conveying station from the discharge port 6 . The feeding device also includes guide plates 9, several guide plates 9 are erected above the feeding turntable 4, and each bottle 1 moves to the feeding conveyor belt 2 along the guide plates 9.

As shown in Figure 2, the cleaning device includes a frame 32 and a bottle-taking assembly, a brush assembly, and a water spray assembly arranged on the frame 32. Several cleaning stations are arranged in the frame 32, and each cleaning station is arranged along the conveying direction. Arranged at intervals, each cleaning station is equipped with a brush assembly and a water spray assembly. The bottle fetching assembly is rotatably arranged on the frame 32 for receiving the bottle 1 pushed in by the pushing device, and the bottle fetching assembly is overturned to send the bottle 1 to the cleaning station.

As shown in Figure 6, the brush assembly includes an inner brush 10 and an outer brush 11. After the bottle 1 is overturned by the bottle taking assembly, the bottle mouth of the bottle 1 is vertically downward, and the inner brush 10 is arranged below the bottle 1. The outer brush 11 rotates against the outer periphery of the bottle 1 for cleaning, and the frame 32 is also provided with a lifting cylinder for driving the inner brushes 10 to move up and down, so that the inner brushes 10 reciprocally extend into the inside of the bottle 1 Do cleaning work. The water spray assembly includes an inner nozzle and an outer nozzle, the positions of the inner nozzle and the outer nozzle correspond to the inner brush 10 and the outer brush 11 respectively, and the inner nozzle and the inner brush 10 rise and fall synchronously.

As shown in Figures 3 to 5, the bottle-taking assembly includes a bottom plate 12, a pressing plate 13, and a bottle-taking cylinder 14. The bottom plate 12 and the pressing plate 13 are horizontally spaced up and down, and the bottom plate 12 and the pressing plate 13 are connected by a connecting rod. The cylinder 14 is fixedly arranged on the frame 32 for driving the pressing plate 13 to rotate, and the pushing device pushes the bottle 1 to move to the bottom plate 12, and the pressing plate 13 is provided with several elastic pressing parts for pressing the bottles on the bottom plate 12 1. The bottle fetching assembly also includes idlers 15, several idlers 15 are vertically rotatably arranged between the bottom plate 12 and the pressing plate 13, and the outer surface of the idlers 15 leans against the bottle body of the bottle 1. Described elastic pressing part comprises pressure wheel 16, wheel shaft 17, spring 18, and pressure wheel 16 is rotated and is arranged on the bottom of wheel shaft 17, and wheel shaft 17 passes through pressing plate 13 and can rise and fall relative to pressing plate 13, and described spring 18 elastically compresses on Between the wheel shaft 17 and the pressure plate 13 is used to drive the wheel shaft 17 to descend, so that the outer wheel surface of the pressure wheel 16 is elastically pressed against the bottle body.

As shown in Figure 7, a rotating mechanism is also provided on the frame 32 to drive each bottle 1 and the outer brush 11 to rotate for cleaning. Wheel one 22, driving sprocket two 23, driving sprocket 24, bottle pressing cylinder 25, rotating motor 26, the bottom of spline shaft 20 is fixedly connected with briquetting block 19, and its top rotation is arranged on the axle sleeve 21, and described pressing The bottle cylinder 25 is connected with the shaft sleeve 21 through the universal joint 27 to drive the briquetting block 19 to lift; the transmission sprocket 1 22 is sleeved on the outer periphery of the spline shaft 20, and the transmission sprocket 2 23 is fixedly connected with the outer brush 11 , the driving sprocket 24 is fixedly connected with the output shaft of the rotary motor 26, and a chain is closed and wound on the driving sprocket 24, transmission sprocket one 22, transmission sprocket two 23, and the rotary motor 26 drives the briquetting block 19 and the outer hair Brush 11 rotates, and bottle pressing cylinder 25 drives briquetting block 19 to descend and be compressed at the bottom of the bottle.

The material pushing device includes a pushing plate 28 and a material pushing cylinder. The pushing plate 28 is horizontally arranged on the outside of the feeding conveyor belt 2, and the material pushing cylinder is used to drive the pushing plate 28 to translate along the conveying width direction. As shown in Figure 8, the cleaning device also includes a push bottle assembly for pushing the cleaned bottle 1 onto the unloading conveyor belt 3. , each shifting block 29 is fixedly arranged on the mounting rod 30 and arranged at even intervals along the conveying direction, the position of each shifting block 29 is corresponding to the position of the bottle 1 on the cleaning station, and each shifting block 29 is arranged by the rotation of the mounting rod 30 On the frame 32, the bottle pushing cylinder 31 is fixedly arranged on the frame 32 for driving the mounting rod 30 to rotate and drive the shifting block 29 to turn over to push the bottle.

There is also a sensor on the feeding conveyor belt 2. Whenever a bottle 1 passes the sensor, the sensor will automatically count. There are eight cleaning stations on the cleaning device. When eight bottles 1 pass the sensor 1, the feeding The conveyor belt 2 will stop conveying, and the push plate 28 pushes the eight bottles 1 into the bottom plate; the feeding conveyor belt 2 continues to transport the eight bottles 1 forward, and after the cleaning of the bottles 1 in the cleaning station is completed, the unloading conveyor belt 3. The cleaned bottle 1 is sent out, and the push plate 28 can repeatedly send eight bottles 1 on the feeding conveyor belt 2 into the cleaning device for cleaning.

The working principle of the present invention is as follows:

1. Store the bottles 1 to be cleaned in the feeding turntable 4. After the feeding turntable 4 rotates, each bottle 1 is pushed to the discharge port 6 along the guide plate 9 by centrifugal force, and the bottles 1 are pushed in from the discharge port 6 one by one. On the conveying station of the feeding conveyor belt 2, the feeding conveyor belt 2 transports the bottle 1 to the cleaning device;

2. The push plate 28 pushes the bottle 1 to slide on the bottom plate 12 along the feeding conveyor belt 2 and the unloading conveyor belt 3 in turn, as shown in Figure 4, at this time, the pressure wheel 16 on the pressure plate 13 is elastically pressed downward by the spring 18 Close on the bottle 1, and the bottle body of the bottle 1 rests on the roller 15; the bottle fetching cylinder 14 drives the bottom plate 12, the pressure plate 13 and the bottle 1 to turn upward as a whole, as shown in Figure 5 and Figure 6, after turning over, the bottle 1 The bottle mouth of the bottle is vertically downward, the outer hair brush 11 leans against the bottle body, and the inner hair brush 10 is located directly below the bottle mouth;

3. After the bottle 1 is turned over to the cleaning station, the bottle pressing cylinder 25 drives the pressing block 19 to descend and press it on the bottom of the bottle, and the bottle 1 is clamped up and down by the pressing block 19 and the pressing wheel 16, and the rotating motor 26 drives the transmission sprocket 22, Transmission sprocket 2 23 rotates, drives briquetting block 19 and outer hairbrush 11 to rotate respectively, and briquetting block 19 adopts rubber material to make, and briquetting block 19 and bottle bottom friction drive bottle 1 to rotate, and bottle 1 and outer hairbrush 11 are synchronously reversed. To rotate for cleaning; the lifting cylinder drives the inner brush 10 to lift back and forth, so that the inner brush 10 reciprocates into the inside of the bottle 1 for cleaning;

4. After the cleaning is completed, the bottle pressing cylinder 25 and the lifting cylinder respectively drive the pressing block 19 and the inner brush 10 to reset; the bottle taking cylinder 14 drives the bottom plate 12, the pressing plate 13 and the bottle 1 to turn downwards and outwards to reset as a whole; the bottle pushing cylinder 31 Drive each shifting block 29 to turn outwards, and push the cleaned bottle 1 onto the unloading conveyor belt 3; the cleaned bottle 1 is transported to the unloading turntable 5 through the unloading conveyor belt 3.

It should be understood that in the claims and description of the present invention, all "comprising..." should be understood as an open meaning, that is, its meaning is equivalent to "at least containing...", and should not be understood as a closed Meaning, that is, its meaning should not be understood as "contains only...".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (10)

1. The utility model provides a full-automatic cleaning machine of outer wall in plant tissue culture bottle, its characterized in that, including belt cleaning device, material loading conveyer belt (2) and unloading conveyer belt (3), wait abluent bottle (1) by material loading conveyer belt (2) interval arrangement and carry, material loading conveyer belt (2) and unloading conveyer belt (3) are along the parallel interval arrangement of transport width direction, and the direction of delivery of material loading conveyer belt (2) and unloading conveyer belt (3) is opposite, and belt cleaning device is located one side of unloading conveyer belt (3), one side of material loading conveyer belt (2) still is equipped with blevile of push, and this blevile of push is used for pushing bottle (1) on material loading conveyer belt (2) into cleaning device in and carries out the cleaning operation, and bottle (1) that the washing was accomplished is sent out by unloading conveyer belt (3).

2. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 1, wherein a plurality of baffles (8) are arranged on the feeding conveyor belt (2), the baffles (8) are uniformly arranged at intervals along the circumferential direction of the conveyor belt, and a conveying station is formed by gaps between two adjacent baffles (8) and is used for placing the bottle (1).

3. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 1, wherein the cleaning device comprises a frame (32), a bottle taking assembly, a brush assembly and a water spraying assembly which are arranged on the frame (32), a plurality of cleaning stations are arranged in the frame (32), the cleaning stations are arranged at intervals along the conveying direction, and the brush assembly and the water spraying assembly are correspondingly arranged on each cleaning station. The bottle taking assembly is rotatably arranged on the frame (32) and used for receiving the bottles (1) pushed by the pushing device, and the bottles (1) are sent to the cleaning station after being overturned.

4. A plant tissue culture bottle inner and outer wall full-automatic cleaning machine according to claim 3, characterized in that the brush assembly comprises an inner brush (10) and an outer brush (11), after the bottle (1) is overturned by the bottle taking assembly, the bottle mouth of the bottle (1) is vertically downward, the inner brush (10) is arranged below the bottle (1), the outer brush (11) is rotated to abut against the periphery of the bottle (1) to perform cleaning, and a lifting cylinder is further arranged on the frame (32) and used for driving each inner brush (10) to lift back and forth so that the inner brush (10) reciprocally stretches into the bottle (1) to perform cleaning.

5. The full-automatic cleaning machine for the inner and outer walls of the plant tissue culture bottle according to claim 4, wherein the water spraying assembly comprises an inner spray head and an outer spray head, the positions of the inner spray head and the outer spray head correspond to the inner brush (10) and the outer brush (11) respectively, and the inner spray head and the inner brush (10) are lifted synchronously.

6. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 3 is characterized in that the bottle taking assembly comprises a bottom plate (12), a pressing plate (13) and bottle taking air cylinders (14), the bottom plate (12) and the pressing plate (13) are horizontally arranged at intervals up and down, the bottom plate (12) is connected with the pressing plate (13) through connecting rods, the bottle taking air cylinders (14) are fixedly arranged on a frame (32) and used for driving the pressing plate (13) to rotate, a pushing device pushes the bottle (1) to move onto the bottom plate (12), a plurality of elastic pressing pieces are arranged on the pressing plate (13) and used for pressing each bottle (1) on the bottom plate (12), the bottle taking assembly further comprises a leaning wheel (15), the leaning wheels (15) are vertically arranged between the bottom plate (12) and the pressing plate (13) in a rotating mode, and the outer wheel faces of the leaning wheel (15) lean against the bottle body of the bottle (1).

7. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 6, wherein the elastic pressing piece comprises a pressing wheel (16), an axle (17) and a spring (18), the pressing wheel (16) is rotatably arranged at the bottom of the axle (17), the axle (17) penetrates through the pressing plate (13) and can lift relative to the pressing plate (13), and the spring (18) is elastically pressed between the axle (17) and the pressing plate (13) and used for driving the axle (17) to descend so that the outer wheel surface of the pressing wheel (16) is elastically pressed against the bottle body.

8. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 4, wherein the rack (32) is further provided with a rotating mechanism for driving each bottle (1) and the outer brush (11) to rotate for cleaning, the driving mechanism comprises a pressing block (19), a spline shaft (20), a shaft sleeve (21), a first driving chain wheel (22), a second driving chain wheel (23), a driving chain wheel (24), a bottle pressing cylinder (25) and a rotating motor (26), the bottom of the spline shaft (20) is fixedly connected with the pressing block (19), the top of the bottle pressing cylinder is rotatably arranged on the shaft sleeve (21), and the bottle pressing cylinder (25) is connected with the shaft sleeve (21) through a universal joint (27) for driving the pressing block (19) to lift; the first driving sprocket (22) is sleeved on the periphery of the spline shaft (20), the second driving sprocket (23) is fixedly connected with the outer hairbrush (11), the driving sprocket (24) is fixedly connected with an output shaft of the rotating motor (26), a chain is closed and wound on the driving sprocket (24), the first driving sprocket (22) and the second driving sprocket (23), the rotating motor (26) drives the pressing block (19) and the outer hairbrush (11) to rotate, and the bottle pressing cylinder (25) drives the pressing block (19) to descend and press the bottle bottom.

9. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 1, wherein the pushing device comprises a pushing plate (28) and a pushing cylinder, the pushing plate (28) is horizontally arranged on the outer side of the feeding conveyor belt (2), and the pushing cylinder is used for driving the pushing plate (28) to translate along the conveying width direction.

10. The full-automatic cleaning machine for the inner wall and the outer wall of the plant tissue culture bottle according to claim 1, wherein the cleaning device further comprises a bottle pushing assembly for pushing the cleaned bottle (1) onto the blanking conveying belt (3), the bottle pushing assembly comprises a shifting block (29), a mounting rod (30) and bottle pushing air cylinders (31), the shifting blocks (29) are fixedly arranged on the mounting rod (30) and are uniformly arranged at intervals along the conveying direction, the positions of the shifting blocks (29) correspond to the positions of the bottles (1) on the cleaning station, the shifting blocks (29) are rotatably arranged on a frame (32) through the mounting rod (30), and the bottle pushing air cylinders (31) are fixedly arranged on the frame (32) and are used for driving the mounting rod (30) to rotate so as to drive the shifting blocks (29) to turn over for pushing the bottles.

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