Liquid adding device for cell culture

Abstract

The utility model discloses a liquid adding device for cell culture, which comprises a base and a rotating disc, the rotating disc is arranged at the top end of the base, a second connecting shaft is mounted at the center of the top end of the rotating disc, a support plate is movably mounted on the outer wall of the second connecting shaft, a first connecting shaft is mounted at the bottom end of the rotating disc, and a second connecting shaft is mounted at the bottom end of the first connecting shaft. The first connecting shaft extends into the base, a plurality of sets of containing grooves are formed in the top end of the rotating disc on one side of the second connecting shaft at equal intervals, and a hollow shaft is installed at the top end of the base on one side of the rotating disc and extends to the bottom end of the base. According to the liquid adding device, convenient rotating type clamping and fixing are achieved, linkage type control over the transmission edge rotating edge to move up and down is facilitated, liquid spilling during liquid adding is prevented, liquid adding to multiple sets of culture dishes is facilitated, and the liquid adding efficiency of the liquid adding device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid adding device technical field, concretely is a liquid adding device for cell culture. BACKGROUND

[0002] Cell culture refers to simulating the environment in vivo (sterile, suitable temperature, pH and certain nutrition conditions, etc.) in vitro, so that it can survive, grow, reproduce and maintain the main structure and function, cell culture is also called cell cloning technology, the formal name in biology is cell culture technology, cell culture technology is an important and commonly used technology in cell biology research methods, through cell culture, a large number of cells can be obtained, and the signal transduction of cells, cell synthesis metabolism, cell growth and proliferation can be studied.

[0003] Such as the authorized announcement no. CN220951847U discloses a kind of liquid adding device for cell culture, specifically relates to cell culture technical field, including base, the top middle part of the base is fixedly installed with multiple liquid adding mechanism, the top of the base is fixedly installed with transmission mechanism, the transmission mechanism is equipped with the multiple culture dishes of uniform distribution, the top of the base at the position of multiple liquid adding mechanism is fixedly installed with protective frame;The multiple liquid adding mechanism includes mechanism bottom frame, the mechanism bottom frame is fixedly installed in the top middle part of base, the top middle part of the mechanism bottom frame is equipped with rotating shaft, the top of the rotating shaft is fixedly installed with rotary disc;

[0004] Although it realizes the automatic injection of multiple culture dishes with cell culture solution, reduces the work intensity of experimental personnel, and adjusts the position of multiple liquid adding parts according to the culture demand, automatically injects different cell culture solution into culture dishes, improves the use effect of the whole liquid adding device, but does not solve the problem that the existing liquid adding device is not convenient to rotate clamping and fixing when in use, is not convenient to move horizontally and adjust height, is not convenient to move up and down for quantitative liquid adding, is not convenient to rotate liquid adding for multiple groups of culture dishes, and affects the flexibility of liquid adding of liquid adding device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of liquid adding device for cell culture, to solve the problem that liquid adding device is not convenient to conveniently rotate clamping and fixing in the above background art, is not convenient to linkage control transmission and rotates while moving up and down, liquid is easy to spill when liquid adding, is not convenient to liquid adding for multiple groups of culture dishes, and affects the efficiency of liquid adding of liquid adding device.

[0006] In order to achieve the above object, the utility model provides following technical scheme: a liquid feeder for cell culture, including base and rotating disc, the top of base is provided with rotating disc, the top center position of rotating disc is installed with second connecting shaft, the outer wall of second connecting shaft is movably installed with support plate, the bottom of rotating disc is installed with first connecting shaft, and first connecting shaft extends to the inside of base, the top of rotating disc one side is installed with multiple groups of placing groove of equal interval, the top of base one side is installed with hollow shaft, and hollow shaft extends to the bottom of base, the top of base one side of hollow shaft is provided with liquid storage tank, the bottom of liquid storage tank is installed with electromagnetic valve, the outer wall of liquid storage tank is installed with sliding shaft, and sliding shaft is connected with hollow shaft slidingly, and sliding shaft extends to the outside of hollow shaft, the top of base one side of liquid storage tank is installed with support frame, the outside of base one side of support frame is provided with belt conveyor, the bottom of support frame is installed with connecting frame, the bottom of connecting frame is slidably installed with connecting seat, the inside of connecting seat is installed with first electric push rod, and first electric push rod extends to the outside of connecting seat, the bottom of first electric push rod is provided with clamping frame, the top of clamping frame is installed with second electric push rod, the output end of second electric push rod is installed with adjusting rod, the top of adjusting rod is installed with connecting block, and first electric push rod is connected with connecting block, the outer wall of clamping frame is provided with three groups of clamping curved arms of equal interval, the end close to clamping frame of clamping curved arm is installed with first movable shaft, and clamping curved arm is movably connected with clamping frame through first movable shaft.

[0007] Preferably, the outer wall of the connecting block on one side of the clamping curved arm is movably installed with a first movable arm, and the end of the first movable arm away from the connecting block is movably connected with the clamping curved arm.

[0008] Preferably, the outer wall of the connecting frame is installed with a first motor, the inside of the connecting frame on one side of the first motor is installed with a threaded rod, and the output end of the first motor is connected with the threaded rod.

[0009] Preferably, the bottom of the base is installed with a second motor, the bottom of the base on one side of the second motor is movably provided with a support shaft, and the output end of the second motor is connected with the support shaft.

[0010] Preferably, the surface of the support shaft is sleeved with a spiral disc, the bottom end of the first connecting shaft above the spiral disc is installed with a support disc, the bottom of the support disc is installed with multiple groups of movable wheels of equal interval, and the spiral disc is slidably connected with the movable wheels.

[0011] Preferably, the supporting shaft surface of one side of the spiral disc is sleeved with an eccentric wheel, a supporting base is internally arranged on one side of the eccentric wheel, a second movable arm is arranged in the supporting base, a second movable shaft is arranged on the outer wall of the second movable arm on one side of the supporting base, and the second movable arm is movably connected with the supporting base through the second movable shaft.

[0012] Preferably, the two ends of the second movable arm are both provided with supporting wheels, one group of the supporting wheels is slidably connected with the eccentric wheel, and the other group of the supporting wheels is slidably connected with the sliding shaft.

[0013] Preferably, a control panel is arranged on the outer wall of the base, and the output end of the control panel is electrically connected with the input end of the belt conveyor, the first electric push rod, the second electric push rod, the first motor, the second motor and the electromagnetic valve.

[0014] Compared with the prior art, the liquid adding device not only realizes convenient rotary clamping and fixing, facilitates linkage control transmission, rotates and moves up and down, prevents liquid from spilling during liquid adding, facilitates liquid adding to multiple groups of culture dishes, and improves the liquid adding efficiency of the liquid adding device.

[0015] The multiple groups of culture dishes are conveyed by the belt conveyor, when the culture dishes are conveyed to one side of the supporting frame, the first electric push rod drives the clamping frame as a whole to move downward through the connecting block, so that the clamping frame drives the clamping bent arm and the clamping arc plate to move to one side of the culture dishes, the second electric push rod drives the adjusting rod to move, the adjusting rod drives the connecting block to move, the connecting block drives the first movable arm to rotate, the first movable arm drives the clamping bent arm to rotate, the clamping bent arm rotates around the first movable shaft, the clamping bent arm drives the clamping arc plate to rotate and clamp the culture dishes, the first motor drives the threaded rod to rotate, the threaded block moves on the surface of the threaded rod, the connecting seat moves transversely driven by the threaded block, the first electric push rod moves transversely driven by the connecting seat, the clamping frame as a whole moves transversely driven by the first electric push rod, and the culture dishes move into the placing groove through the clamping arc plate driven by the clamping frame, so that the liquid adding device realizes convenient rotary clamping and fixing, facilitates transverse movement and height adjustment, and improves the convenience of control and adjustment of the liquid adding device.

[0016] A second motor drives a support shaft to rotate, which in turn drives a spiral disk to rotate. The spiral disk then drives a movable wheel, which in turn drives the support disk to rotate. The support disk, via a first connecting shaft, drives a rotating disk, which in turn drives a placement tank to rotate. The placement tank then drives a culture dish to rotate. The support shaft drives an eccentric wheel to rotate, which, via a set of support wheels, drives a second movable arm to rotate. The second movable arm rotates around a second movable shaft, which, via another set of support wheels, drives a sliding shaft to move. This sliding shaft then adjusts the height of the storage tank. A support plate provides movable support for the storage tank. The contents of the storage tank... Nutrient solution enters the petri dish through a solenoid valve. When the rotating disc rotates, the sliding shaft drives the storage tank to rise, and the control panel closes the solenoid valve. When another set of placement slots rotates to the bottom of the storage tank, the hollow shaft drives the storage tank to descend, allowing the bottom of the storage tank to enter the petri dish. The control panel then opens the solenoid valve to facilitate the addition of nutrient solution to the storage tank, preventing the nutrient solution from overflowing from the petri dish. This allows for convenient multi-set nutrient addition via rotation, facilitates linkage control and transmission, and prevents liquid spillage during addition. It also facilitates adding nutrient solution to multiple petri dishes, improving the efficiency of the nutrient addition device. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a three-dimensional structural diagram of the liquid storage tank of this utility model;

[0019] Figure 3 This is a front view structural diagram of the present utility model;

[0020] Figure 4 This is a front view cross-sectional structural diagram of the connecting frame of this utility model;

[0021] Figure 5 This is a side view of the structure of this utility model;

[0022] Figure 6 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0023] Figure 7 This is a three-dimensional structural diagram of the spiral disk of this utility model;

[0024] Figure 8 This is a three-dimensional structural diagram of the support plate of this utility model.

[0025] In the figure: 1, base; 2, rotating disc; 3, hollow shaft; 4, liquid storage tank; 5, support frame; 6, belt conveyor; 7, connecting frame; 8, connecting seat; 9, first electric push rod; 10, placing groove; 11, clamping frame; 12, second electric push rod; 13, adjusting rod; 14, connecting block; 15, clamping bent arm; 16, clamping arc plate; 17, first movable arm; 18, first movable shaft; 19, first motor; 20, threaded rod; 21, second motor; 22, support shaft; 23, spiral disc; 24, support disc; 25, movable wheel; 26, first connecting shaft; 27, eccentric wheel; 28, second movable arm; 29, support wheel; 30, sliding shaft; 31, threaded block; 32, control panel; 33, electromagnetic valve; 34, support seat; 35, second movable shaft; 36, second connecting shaft; 37, support plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-8 The utility model provides an embodiment: a liquid adding device for cell culture, including base 1 and rotating disc 2, the top of base 1 is provided with rotating disc 2, the top center position of rotating disc 2 is installed with second connecting shaft 36, the outer wall of second connecting shaft 36 is movably installed with support plate 37, the bottom of rotating disc 2 is installed with first connecting shaft 26, and first connecting shaft 26 extends to the inside of base 1, the top of rotating disc 2 on the side of second connecting shaft 36 is installed with multiple groups of placing grooves 10 at equal intervals, the top of base 1 on the side of rotating disc 2 is installed with hollow shaft 3, and hollow shaft 3 extends to the bottom end of base 1, the top of base 1 on the side of hollow shaft 3 is provided with liquid storage tank 4, the bottom end of liquid storage tank 4 is installed with electromagnetic valve 33, the outer wall of liquid storage tank 4 is installed with sliding shaft 30, and sliding shaft 30 is connected with hollow shaft 3 slidingly, and sliding shaft 30 extends to the outside of hollow shaft 3, the top of base 1 on the side of liquid storage tank 4 is installed with support frame 5, and the outside of base 1 on the side of support frame 5 is provided with belt conveyor 6;

[0028] The bottom end of the support frame 5 is provided with a connecting frame 7, the bottom end of the connecting frame 7 is slidably provided with a connecting seat 8, the inside of the connecting seat 8 is provided with a first electric push rod 9, the first electric push rod 9 serves as a power output, and the first electric push rod 9 extends to the outside of the connecting seat 8, the bottom end of the first electric push rod 9 is provided with a clamping frame 11, the top end of the clamping frame 11 is provided with a second electric push rod 12, the second electric push rod 12 serves as a power output, the output end of the second electric push rod 12 is provided with an adjusting rod 13, the top end of the adjusting rod 13 is provided with a connecting block 14, and the first electric push rod 9 is connected with the connecting block 14, the outer wall of the clamping frame 11 is provided with three groups of clamping curved arms 15 at equal intervals, one end of each clamping curved arm 15 close to the clamping frame 11 is provided with a first movable shaft 18, and each clamping curved arm 15 is movably connected with the clamping frame 11 through the first movable shaft 18, the outer wall of the connecting block 14 on one side of each clamping curved arm 15 is movably provided with a first movable arm 17, and one end of each first movable arm 17 away from the connecting block 14 is movably connected with the clamping curved arm 15, and the bottom end of each clamping curved arm 15 is provided with a clamping arc plate 16.

[0029] The outer wall of the connecting frame 7 is provided with a first motor 19, the first motor 19 serves as a power output, the inside of the connecting frame 7 on one side of the first motor 19 is provided with a threaded rod 20, and the output end of the first motor 19 is connected with the threaded rod 20, the surface of the threaded rod 20 is provided with a threaded block 31, and the threaded block 31 is connected with the connecting seat 8.

[0030] When in use, the belt conveyor 6 is opened by operating the control panel 32, and the multiple groups of culture dishes are conveyed by the belt conveyor 6, when the culture dishes are conveyed to one side of the support frame 5, the first electric push rod 9 is opened by operating the control panel 32, and the clamping frame 11 is driven to move downward as a whole by the first electric push rod 9 under the support of the connecting seat 8, so as to conveniently drive the clamping curved arm 15 and the clamping arc plate 16 to move to one side of the culture dish, the second electric push rod 12 is opened by operating the control panel 32, and the adjusting rod 13 is driven to move by the second electric push rod 12 under the support of the clamping frame 11, the connecting block 14 is driven to move by the adjusting rod 13, the first movable arm 17 is driven to rotate by the connecting block 14, the clamping curved arm 15 is driven to rotate by the first movable arm 17, the clamping curved arm 15 rotates around the first movable shaft 18, so as to conveniently drive the clamping curved arm 15 and the clamping arc plate 16 to rotate and clamp the culture dish, the first motor 19 is opened by operating the control panel 32, the threaded rod 20 is driven to rotate by the first motor 19 under the support of the first electric push rod 9, the threaded block 31 moves on the surface of the threaded rod 20 under the threaded support of the threaded rod 20 and the threaded block 31, the connecting seat 8 is driven to move laterally by the threaded block 31 under the sliding support of the connecting seat 8 and the connecting frame 7, the first electric push rod 9 is driven to move laterally by the connecting seat 8, the clamping frame 11 is driven to move laterally as a whole by the first electric push rod 9, the culture dish is driven to move laterally by the clamping frame 11 through the clamping arc plate 16, so as to conveniently move to the inside of the placing groove 10, and the liquid adding device is conveniently rotated and clamped and fixed, the lateral movement and the height adjustment are facilitated, and the convenience of the liquid adding device control and adjustment is improved.

[0031] The second motor 21 is installed at the bottom end of the base 1, the second motor 21 serves as a power output, the support shaft 22 is movably installed at the bottom end of the base 1 on one side of the second motor 21, the output end of the second motor 21 is connected with the support shaft 22, the spiral disc 23 is sleeved on the surface of the support shaft 22, the support disc 24 is installed at the bottom end of the first connecting shaft 26 above the spiral disc 23, the multiple groups of movable wheels 25 are installed at the bottom end of the support disc 24 at equal intervals, and the spiral disc 23 is slidably connected with the movable wheels 25.

[0032] The surface of the support shaft 22 on one side of the spiral disc 23 is sleeved with an eccentric wheel 27, the inside of the base 1 on one side of the eccentric wheel 27 is internally provided with a support seat 34, the inside of the support seat 34 is provided with a second movable arm 28, the outer wall of the second movable arm 28 on one side of the support seat 34 is internally provided with a second movable shaft 35, and the second movable arm 28 is movably connected with the support seat 34 through the second movable shaft 35, both ends of the second movable arm 28 are provided with support wheels 29, one set of support wheels 29 is movably connected with the eccentric wheel 27, and the other set of support wheels 29 is movably connected with the sliding shaft 30, and the outer wall of the base 1 is provided with a control panel 32, and the output end of the control panel 32 is electrically connected with the input end of the belt conveyor 6, the first electric push rod 9, the second electric push rod 12, the first motor 19, the second motor 21 and the electromagnetic valve 33.

[0033] In use, the second motor 21 is turned on by operating the control panel 32, the support shaft 22 is driven to rotate by the second motor 21, the spiral disc 23 is driven to rotate by the support shaft 22, the movable wheel 25 is driven to rotate by the spiral disc 23 under the movable support of the spiral disc 23 and the movable wheel 25, the support disc 24 is driven to rotate by the movable wheel 25, the rotating disc 2 is driven to rotate by the support disc 24 through the first connecting shaft 26, the rotating disc 2 drives the placing groove 10 to rotate, the culture dish is driven to rotate by the placing groove 10, the eccentric wheel 27 is driven to rotate by the support shaft 22, the second movable arm 28 is driven to rotate by the eccentric wheel 27 through one set of support wheels 29 under the support of the support seat 34 and the movable support of the second movable shaft 35 to the second movable arm 28, the second movable arm 28 rotates around the second movable shaft 35, the sliding shaft 30 is driven to move by the second movable arm 28 through the other set of support wheels 29, the height of the liquid storage tank 4 is adjusted by the sliding shaft 30 under the sliding support of the sliding shaft 30 and the hollow shaft 3, the liquid storage tank 4 is movably supported by the support plate 37 under the support of the second connecting shaft 36, the electromagnetic valve 33 is turned on by operating the control panel 32, the nutrient solution in the liquid storage tank 4 enters the inside of the culture dish through the electromagnetic valve 33, when the rotating disc 2 rotates, the liquid storage tank 4 is lifted by the sliding shaft 30, the electromagnetic valve 33 is closed by the control panel 32, when the other set of placing grooves 10 rotates to the bottom end of the liquid storage tank 4, the liquid storage tank 4 is lowered by the hollow shaft 3, so that the bottom end of the liquid storage tank 4 enters the inside of the culture dish, the electromagnetic valve 33 is opened by the control panel 32, so that the liquid storage tank 4 is conveniently filled with liquid, the nutrient solution in the culture dish is prevented from overflowing, the liquid filler is conveniently rotated and filled with liquid in multiple groups, the linkage control transmission is conveniently rotated and moved up and down, the liquid is prevented from spilling out when filling, the multiple culture dishes are conveniently filled with liquid, and the efficiency of the liquid filler is improved.

[0034] Working principle: use, external power supply, by the belt conveyor 6 to multiple groups of culture dishes are transported, by the first electric push rod 9 through the connecting block 14 drive clamping frame 11 overall downward movement, to facilitate the clamping frame 11 drive clamping arm 15 and clamping arc plate 16 to the side of the culture dish, by the second electric push rod 12 drive adjusting rod 13 movement, by the adjusting rod 13 drive connecting block 14 movement, by the connecting block 14 drive first movable arm 17 rotation, by the first movable arm 17 drive clamping arm 15 rotation, clamping arm 15 with first activity shaft 18 as the shaft rotation, to facilitate the clamping arm 15 drive clamping arc plate 16 to culture dish rotation type clamping, by the first motor 19 drive screw rod 20 rotation, screw block 31 in the surface of the screw rod 20 movement, by the screw block 31 drive connecting seat 8 transverse movement, by the connecting seat 8 drive first electric push rod 9 transverse movement, by the first electric push rod 9 drive clamping frame 11 overall transverse movement, by the clamping frame 11 through the clamping arc plate 16 drive culture dish transverse movement, to facilitate the culture dish to move to the inside of the placing groove 10, by the second motor 21 drive support shaft 22 rotation, by the support shaft 22 drive helical disc 23 rotation, by the helical disc 23 drive movable wheel 25 rotation, by the movable wheel 25 drive support disc 24 rotation, by the support disc 24 through the first connecting shaft 26 drive rotary disc 2 rotation, to make the rotary disc 2 drive placing groove 10 rotation, by the placing groove 10 drive culture dish rotation, by the support shaft 22 drive eccentric wheel 27 rotation, by the eccentric wheel 27 through a set of support wheel 29 drive second movable arm 28 rotation, second movable arm 28 with second activity shaft 35 as the shaft rotation, second movable arm 28 through another set of support wheel 29 drive sliding shaft 30 movement, under the sliding support of the sliding shaft 30 and hollow shaft 3, by the sliding shaft 30 drive liquid storage tank 4 height adjustment, under the support of the second connecting shaft 36, by the support plate 37 to the movable support of the liquid storage tank 4, the nutrient solution in the liquid storage tank 4 enters the inside of the culture dish through the electromagnetic valve 33, when the rotary disc 2 rotates, the sliding shaft 30 drive liquid storage tank 4 rises, the control panel 32 controls the electromagnetic valve 33 to close, when another set of placing groove 10 rotates to the bottom end of the liquid storage tank 4, the hollow shaft 3 drive liquid storage tank 4 down, to make the bottom end of the liquid storage tank 4 into the inside of the culture dish, the control panel 32 controls the electromagnetic valve 33 to open, to facilitate the liquid storage tank 4 to add liquid, to prevent the nutrient solution in the culture dish from overflowing, to complete the use of the liquid adding device.

Claims

1. A liquid dispenser for cell culture comprising a base (1) and a rotating disc (2), characterized in that: The top end of the base (1) is provided with a rotating disc (2), the top center of the rotating disc (2) is provided with a second connecting shaft (36), the outer wall of the second connecting shaft (36) is movably provided with a supporting plate (37), the bottom end of the rotating disc (2) is provided with a first connecting shaft (26), and the first connecting shaft (26) extends to the inside of the base (1), the top end of the rotating disc (2) on one side of the second connecting shaft (36) is provided with a plurality of groups of placing grooves (10) at equal intervals, the top end of the base (1) on one side of the rotating disc (2) is provided with a hollow shaft (3), and the hollow shaft (3) extends to the bottom end of the base (1), the top end of the base (1) on one side of the hollow shaft (3) is provided with a liquid storage tank (4), the bottom end of the liquid storage tank (4) is provided with an electromagnetic valve (33), the outer wall of the liquid storage tank (4) is provided with a sliding shaft (30), the sliding shaft (30) is in sliding connection with the hollow shaft (3), and the sliding shaft (30) extends to the outside of the hollow shaft (3), the top end of the base (1) on one side of the liquid storage tank (4) is provided with a supporting frame (5), the outside of the base (1) on one side of the supporting frame (5) is provided with a belt conveyor (6), the bottom end of the supporting frame (5) is provided with a connecting frame (7), the bottom end of the connecting frame (7) is movably provided with a connecting seat (8), the inside of the connecting seat (8) is provided with a first electric push rod (9), and the first electric push rod (9) extends to the outside of the connecting seat (8), the bottom end of the first electric push rod (9) is provided with a clamping frame (11), the top end of the clamping frame (11) is provided with a second electric push rod (12), the output end of the second electric push rod (12) is provided with an adjusting rod (13), the top end of the adjusting rod (13) is provided with a connecting block (14), and the first electric push rod (9) is connected with the connecting block (14), the outer wall of the clamping frame (11) is provided with three groups of clamping bent arms (15) at equal intervals, and the clamping bent arms (15) are all provided with first movable shafts (18) at the ends close to the clamping frame (11), and the clamping bent arms (15) are all movably connected with the clamping frame (11) through the first movable shafts (18).

2. The liquid adding device for cell culture according to claim 1, wherein: The outer wall of the connecting block (14) on one side of the clamping bent arm (15) is movably provided with a first movable arm (17), one end of the first movable arm (17) away from the connecting block (14) is movably connected with the clamping bent arm (15), and the bottom end of the clamping bent arm (15) is provided with a clamping arc plate (16).

3. The liquid adding device for cell culture according to claim 1, characterized in that: The outer wall of the connecting frame (7) is provided with a first motor (19), the inside of the connecting frame (7) on one side of the first motor (19) is provided with a threaded rod (20), the output end of the first motor (19) is connected with the threaded rod (20), and the surface of the threaded rod (20) is provided with a threaded block (31), and the threaded block (31) is connected with the connecting seat (8).

4. The liquid adding device for cell culture according to claim 1, characterized in that: The bottom end of the base (1) is provided with a second motor (21), the bottom end of the base (1) on one side of the second motor (21) is movably provided with a supporting shaft (22), and the output end of the second motor (21) is connected with the supporting shaft (22).

5. The liquid dispenser for cell culture according to claim 4, wherein: The surface of the supporting shaft (22) is provided with a spiral disc (23), the bottom end of a first connecting shaft (26) above the spiral disc (23) is provided with a supporting disc (24), the bottom end of the supporting disc (24) is provided with a plurality of groups of movable wheels (25) at equal intervals, and the spiral disc (23) is slidably connected with the movable wheels (25).

6. The liquid dispenser for cell culture according to claim 5, wherein: The surface of the supporting shaft (22) on one side of the spiral disc (23) is provided with an eccentric wheel (27), the inside of the base (1) on one side of the eccentric wheel (27) is provided with a supporting seat (34), the inside of the supporting seat (34) is provided with a second movable arm (28), the outer wall of the second movable arm (28) on one side of the supporting seat (34) is provided with a second movable shaft (35), and the second movable arm (28) is movably connected with the supporting seat (34) through the second movable shaft (35).

7. The liquid dispenser for cell culture according to claim 6, wherein: Both ends of the second movable arm (28) are provided with supporting wheels (29), one group of the supporting wheels (29) is slidably connected with the eccentric wheel (27), and the other group of the supporting wheels (29) is slidably connected with a sliding shaft (30).

8. The liquid adding device for cell culture according to claim 4, characterized in that: The outer wall of the base (1) is provided with a control panel (32), and the output end of the control panel (32) is electrically connected with the input end of the belt conveyor (6), the first electric push rod (9), the second electric push rod (12), the first motor (19), the second motor (21) and the electromagnetic valve (33).

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