Full-automatic culture medium split charging device

Abstract

The utility model belongs to the technical field of biological culture equipment, and particularly relates to a full-automatic culture medium split charging device. Comprising a supporting base, a dish feeding mechanism, a split charging mechanism and a liquid feeding mechanism, the dish feeding mechanism, the split charging mechanism and the liquid feeding mechanism are arranged on the supporting base, dish feeding through holes are formed in the dish feeding mechanism, split charging through holes are formed in the positions, corresponding to the dish feeding through holes, of the split charging mechanism, and a mechanical clamping jaw is arranged between one dish feeding through hole and the split charging through hole. A culture dish push plate is arranged on the lower side of the subpackaging mechanism, is connected with a culture dish lifting driving mechanism and corresponds to the subpackaging through hole in position. The mechanical clamping jaw is matched with the culture dish push plate, the mechanical clamping jaw clamps the culture dish to be carried, the culture dish push plate lifts and carries the culture dish and conveys the culture dish to the subpackaging mechanism, the culture dish is prevented from turning over or sliding off, and the subpackaging efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of biological culture equipment technology, and in particular to a fully automatic culture medium dispensing device. Background Technology

[0002] Culture medium: A culture medium is a nutrient substrate composed of different nutrients that provides a basis for the growth and reproduction of microorganisms, plants, or animals (or tissues). It generally contains several major categories of substances, including carbohydrates, nitrogenous substances, inorganic salts (including trace elements), vitamins, and water.

[0003] Petri dish: A petri dish is a laboratory vessel used for the culture of microorganisms or cells.

[0004] Culture media are essential consumables in biological laboratories across various fields, including biomedicine, food and beverage, quality inspection, disease prevention and control, medicine, and electronics. High-quality culture media play a crucial role in laboratory experimental results. With societal development, automated culture media dispensing is gradually replacing manual dispensing, improving dispensing efficiency. However, in existing technologies, during the process of the culture dishes falling from the feeding mechanism to the dispensing mechanism, they typically fall directly into the dispensing mechanism under their own weight, which easily leads to the risk of the culture dishes tipping over or slipping. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a fully automatic culture medium dispensing device with a stable structure between the feeding mechanism and the dispensing mechanism.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The fully automatic culture medium dispensing device includes a support base, a dish feeding mechanism, a dispensing mechanism, a liquid delivery mechanism, and a control system. The dish feeding mechanism, the dispensing mechanism, and the liquid delivery mechanism are mounted on the support base. The control system controls the dish feeding mechanism, the dispensing mechanism, and the liquid delivery mechanism respectively. The feature is that: the dish feeding mechanism is provided with a dish feeding through hole, and the dispensing mechanism is provided with a dispensing through hole at the position corresponding to the dish feeding through hole. A mechanical gripper is provided between one of the dish feeding through holes and the dispensing through hole. A culture dish pusher plate is provided on the lower side of the dispensing mechanism. The culture dish pusher plate is connected to a culture dish lifting drive mechanism, and the position of the culture dish pusher plate corresponds to the position of the dispensing through hole.

[0007] Preferably, there are two feeding through holes, one of which is a feeding hole and the other is a closing hole. The mechanical gripper is located between the feeding hole and the dispensing through hole, and a baffle plate that rotates up and down is provided on one side of the closing hole.

[0008] Preferably, the mechanical gripper includes a mechanical gripper drive mechanism and grippers. The two grippers are horizontally slidably disposed on one side of the mechanical gripper drive mechanism. The mechanical gripper drive mechanism drives the two grippers to slide relative to each other, and the gripping space enclosed by the two grippers corresponds to the feeding hole.

[0009] Preferably, the sensor is arranged on the dish feeding mechanism and on one side of the dish feeding hole.

[0010] Preferably, the dish feeding mechanism comprises a dish flat rack, a fixed plate and a rotating plate, the fixed plate is arranged on the support base, the rotating plate is rotatably arranged on the upper side of the fixed plate, and the dish flat rack is arranged on the upper side of the rotating plate.

[0011] Preferably, two fixed plate through holes are arranged on the fixed plate, a plurality of rotating plate through holes are arranged at corresponding positions on the rotating plate, the diameter of the rotating plate through hole is equal to the diameter of the fixed plate, the diameter of the rotating plate through hole is greater than the diameter of the culture dish, and the rotating plate through hole and the fixed plate through hole are coincided to form a dish feeding through hole.

[0012] Preferably, the sub-packaging mechanism comprises an upper turntable and a lower turntable, the lower turntable is arranged on the lower side of the upper turntable and coaxially arranged with the upper turntable, a plurality of upper turntable through holes are arranged on the upper turntable, and a plurality of lower turntable through holes are arranged at corresponding positions of the lower turntable, wherein the diameter of the lower turntable through hole is smaller than the diameter of the upper turntable through hole.

[0013] Preferably, the diameter of the upper turntable through hole is smaller than the diameter of the culture dish cover and greater than the diameter of the culture dish, and the diameter of the lower turntable through hole is smaller than the diameter of the culture dish.

[0014] Preferably, the liquid feeding mechanism comprises a peristaltic pump and a liquid injection connector, the peristaltic pump is arranged on the support base and connected with the liquid injection connector arranged between the upper turntable and the lower turntable, and the liquid injection connector is arranged on the upper side of the lower turntable through hole on one side of the culture dish push plate.

[0015] Compared with the prior art, the technical scheme has the beneficial effects that:

[0016] The utility model discloses a mechanical clamp is arranged between the dish feeding through hole of dish feeding mechanism and the sub -packaging through hole of sub -packaging mechanism, and the culture dish push plate is arranged on the lower side of sub -packaging through hole, culture dish push plate connects culture dish lifting drive mechanism, and drives culture dish push plate to lift, and with mechanical clamp cooperation, and mechanical clamp holds the culture dish of being received, and culture dish push plate receives the culture dish and transports to sub -packaging mechanism, avoids culture dish to turn on one's side or slip, improves the sub -packaging efficiency. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the full -automatic culture medium sub -packaging device.

[0018] Figure 2 It is a structure schematic view of the dish feeding mechanism, the sub -packaging mechanism and the drive mechanism of the utility model.

[0019] Figure 3 It is Figure 2 It is a partial close -up view of A in the middle.

[0020] Figure 4 The mechanical clamping jaw structure schematic view of the utility model.

[0021] Among them: 1, support seat 2, send dish mechanism 201, flat dish rack 202, fixed plate 203, rotating plate 204, fixed plate through-hole 205, rotating plate through-hole 206, top plate 207, top plate through-hole 3, subpackaging mechanism 301, upper turntable 302, lower turntable 303, upper turntable through-hole 304, lower turntable through-hole 4, firm mechanism 5, culture dish push plate 6, sensor 7, liquid sending mechanism 701, peristaltic pump 702, liquid injection connector 8, dish sending drive mechanism 9, subpackaging drive mechanism 10, mechanical clamping jaw drive mechanism 11, culture dish lifting drive mechanism 12, fixed frame 13, clamping jaw 14, screw rod 15, connecting block. DETAILED DESCRIPTION

[0022] Figures 1-4 It is the best embodiment of the utility model, and the following will be combined with the attached Figures 1-4 The utility model is further explained.

[0023] Referring to Figure 1 , the full-automatic culture medium subpackaging device includes support seat 1, dish sending mechanism 2, subpackaging mechanism 3, liquid sending mechanism 7, control system and drive structure, dish sending mechanism 2 is arranged on the upper plate of support seat 1, the upper plate one side protrudes half-circular convex plate, the convex plate is arranged on the upper side of subpackaging mechanism 3, dish sending mechanism 2 is sent to the empty culture dish to subpackaging mechanism 3, and subpackaging mechanism 3 sends the culture dish with injected culture solution back to dish sending mechanism 2, improves the subpackaging efficiency.

[0024] Specifically, referring to Figures 2-4 , two dish sending through-holes are arranged on dish sending mechanism 2, and subpackaging through-holes are arranged on subpackaging mechanism 3 in positions corresponding to the dish sending through-holes, and a mechanical clamping jaw is arranged between one dish sending through-hole and a subpackaging through-hole. One of the dish sending through-holes is a dish sending hole, and the other is a dish closing hole, and the mechanical clamping jaw is arranged between the dish sending hole and the subpackaging through-hole.

[0025] Two culture dish push plates 5 are arranged correspondingly on the lower side of the two subpackaging through-holes, the culture dish push plate 5 is connected with the culture dish lifting drive mechanism 11, the culture dish push plate 5 is arranged on the upper side of the culture dish lifting drive mechanism 11 along the vertical direction, and the culture dish lifting drive mechanism 11 has at least a first lifting height and a second lifting height, the first lifting height is the lifting height of the culture dish push plate 5 receiving the culture dish on dish sending mechanism 2, and the second lifting height is the lifting height of the culture dish push plate 5 receiving the culture dish grabbed by the mechanical hand.

[0026] In this embodiment, the culture dish lifting driving mechanism 11 is an electric cylinder, the top rod upper side is provided with a circular placing plate capable of passing through the lower turntable through hole 304, the upper turntable through hole 303, the fixed plate through hole 204 and the rotating plate through hole 205, and two culture dish push plates 5 are arranged corresponding to the feeding hole and the combining hole, respectively receiving the culture dishes in the holes and conveying the culture dishes to be injected with culture solution.

[0027] The mechanical gripper includes a fixed frame 12, a gripper 13, a lead screw 14, a connecting block 15 and a mechanical gripper driving mechanism 10. The fixed frame 12 is arranged on the lower side of the upper plate of the support base 1. Two grippers 13 are horizontally symmetrically arranged on the side of the mechanical gripper close to the dispensing mechanism 3, and the two grippers 13 extend out of the upper plate corresponding to the position of the feeding hole. The grabbing space enclosed by the two grippers 13 also corresponds to the feeding hole. The lead screw 14 is provided with two reverse threads. The two grippers 13 are connected to the two threads through two connecting blocks 15 respectively. The lead screw 14 is connected to the mechanical gripper driving mechanism 10. The mechanical gripper driving mechanism 10 is arranged on one side of the fixed frame 12. In this embodiment, the mechanical gripper driving mechanism 10 is an electric motor. The motor drives the lead screw 14 to rotate through a transmission assembly, drives the two grippers 13 to slide relative to each other, and realizes grabbing and releasing of the culture dishes.

[0028] A sensor 6 is arranged on the support base 1. The sensor 6 is arranged on one side of the feeding hole to detect whether there is a culture dish on the feeding hole. If there is no culture dish, the control system controls the feeding drive mechanism 8 to drive the feeding mechanism 2 to rotate. In this embodiment, the feeding drive mechanism 8 and the dispensing drive mechanism 9 are electric motors or other driving devices capable of achieving the function.

[0029] The feeding mechanism 2 includes a flat plate holder 201, a fixed plate 202 and a rotating plate 203. The fixed plate 202 is arranged on the upper plate of the support base 1. The rotating plate 203 is rotatably arranged on the upper side of the fixed plate 202. The flat plate holder 201 is arranged on the upper side of the rotating plate 203 and connected to the top plate 206.

[0030] The fixed plate 202 is provided with two fixed plate through holes 204 along the edge. The rotating plate 203 is also provided with 10 rotating plate through holes 205 at corresponding positions along the edge. The diameter of the rotating plate through hole 205 is equal to the diameter of the fixed plate through hole 204. The diameter of the rotating plate through hole 205 is greater than the diameter of the culture dish. When the rotating plate 203 rotates and drives the rotating plate through hole 205 to rotate, any two adjacent rotating plate through holes 205 coincide with two fixed plate through holes 204 on the fixed plate 202 to form a feeding hole and a combining hole. At this time, the culture dishes fall through the feeding hole onto the culture dish push plate 5, and the culture dishes on the dispensing mechanism 3 are pushed by another culture dish push plate 5 through the combining hole and placed on the feeding mechanism 2.

[0031] The vertical plate 201 is provided with a plurality of guiding long columns and short columns, corresponding to each rotating plate through hole 205, three long columns and two short columns are arranged along the circumference of the through hole, so that a stack of culture dishes can be stably placed on the dish feeding mechanism 2. In particular, a short column is arranged at the outer circumference of the fixed plate through hole 204 of the dish combining hole, which can prevent the dish from being stacked from bottom to top and tilted when the number of dishes increases.

[0032] A baffle is arranged at the outer circumference of the fixed plate through hole 204 of the dish combining hole, the fixed end of the baffle is arranged at the lower side of the short column, and the movable end extends inwardly to the fixed plate through hole 204. The baffle can be inverted upward, when the culture dish push plate 5 pushes the culture dish filled with culture medium upward, the baffle falls after the culture dish passes through the baffle, the culture dish push plate 5 descends, and the culture dish falls onto the dish combining hole. The fixed plate 202 is provided with a plurality of semicircular notches along the edge, the notches correspond to the rotating plate through hole 205, and the top plate 206 is provided with a top plate through hole 207 corresponding to the position of the rotating plate through hole 205. The notches and the top plate through hole 207 are used to facilitate the removal of the culture dish filled with culture medium.

[0033] The sub-packaging mechanism 3 includes an upper turntable 301 and a lower turntable 302, the lower turntable 302 is arranged below the upper turntable 301 and coaxially arranged with the upper turntable 301, the upper turntable 301 is provided with six upper turntable through holes 303 along the circumference, and the lower turntable 302 is provided with six lower turntable through holes 304 corresponding to the positions of the upper turntable through holes 303, the diameters of the lower turntable through holes 304 are smaller than the diameters of the upper turntable through holes 303.

[0034] The upper turntable through hole 303 and the lower turntable through hole 304 are both provided with a tapered surface with a diameter gradually decreasing from top to bottom, the upper side diameter of the upper turntable through hole 303 is greater than the diameter of the culture dish cover, and the lower side diameter is smaller than the diameter of the culture dish cover, the upper side diameter of the lower turntable through hole 304 is greater than the diameter of the culture dish, and the lower side diameter is smaller than the diameter of the culture dish. Such arrangement is to ensure that when the upper turntable through hole 303 coincides with the dish feeding hole, the culture dish falls through the upper turntable through hole 303, the dish cover remains in the upper turntable through hole 303, and the dish body falls into the lower turntable through hole 304. The sub-packaging mechanism 3 is rotated to the liquid feeding mechanism 7 to facilitate the injection of the culture dish. After the culture dish is filled with culture medium, it is rotated to the dish combining hole, the dish body is lifted and combined with the dish cover, and then it passes through the baffle and is placed on the rotating plate 203.

[0035] The liquid feeding mechanism 7 includes a peristaltic pump 701 and a liquid injection connector 702, in this embodiment, two peristaltic pumps 701 and liquid injection connectors 702 are provided, the peristaltic pump 701 is arranged on the support seat 1 and connected to the liquid injection connector 702 to provide culture medium, the liquid injection connector 702 is arranged at the sub-packaging through hole corresponding to the side of the dish feeding hole and between the upper turntable 301 and the lower turntable 302.

[0036] The support base 1 is provided with an acrylic shell and a UV lamp, which can sterilize and disinfect during liquid injection, reduce external interference, and thus reduce the influence on experimental results.

[0037] Working process:

[0038] The rotating plate 203 of the dish feeding mechanism 2 is provided with 9 empty culture dishes, the control system controls the rotating plate 9 to rotate by driving the dispensing driving mechanism 9, until the dish feeding hole, the dish combining hole and the dispensing through hole of the dispensing mechanism 3 are coincided, at the same time, the control system controls the culture dish lifting driving mechanism 11 to realize the first lifting height, drives the culture dish pushing plate 5 to rise to the height of the lower side of the dish feeding hole, and then the culture dish pushing plate 5 is lowered to the height of the mechanical clamping jaw, at this time, the control system controls the mechanical clamping jaw driving mechanism 10 to drive the mechanical clamping jaw to clamp the culture dish to be received, and then the culture dish pushing plate 5 drives the received culture dish to continue to descend to the state that the dish cover is left on the upper rotating disc 301 and the dish body is left on the lower rotating disc 302, the control system controls the dispensing mechanism 3 to rotate, so that the empty dispensing through hole is rotated to the dish feeding hole, at this time, the culture dish pushing plate 5 realizes the second lifting height, rises to the height of the bottom of the culture dish to be received clamped by the mechanical clamping jaw, and then the mechanical clamping jaw releases the culture dish to be received, and the culture dish pushing plate 5 is lowered to the height of the mechanical clamping jaw, at this time, the control system controls the mechanical clamping jaw driving mechanism 10 to drive the mechanical clamping jaw to clamp the culture dish on the upper side of the culture dish to be received, and the above-mentioned cycle is repeated to place the empty culture dish on the dispensing mechanism 3.

[0039] After an empty culture dish is placed on the dispensing mechanism 3, the control system controls the dispensing driving mechanism 9 to rotate, so that the empty culture dish is rotated out of the dish feeding hole and rotated to the corresponding position of the liquid feeding mechanism 7, the control system controls the liquid feeding mechanism 7 to inject the culture solution into the empty dish body, and the above-mentioned cycle is repeated, when the dish body injected with the culture solution is rotated to the state of being coincided with the dish combining hole, the control system controls the other culture dish pushing plate 5 to rise, so that the dish body and the dish cover are combined, and then the culture dish pushing plate 5 is lowered, the culture dish injected with the culture solution is left on the rotating plate 203 due to the blocking of the blocking piece, when the sensor detects that the culture dish in the dish feeding hole is not present, the rotating disc 203 is rotated, the empty culture dish placing groove is rotated to the dish combining hole, the stacked culture dishes injected with the culture solution are rotated to the corresponding positions of the notches beside, and then the culture dishes can be taken down by the detection personnel.

[0040] The above-mentioned is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, any skilled person in the art can modify or change the above-mentioned disclosed technical content into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made on the above-mentioned embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A fully automatic medium dispensing device, comprising a support seat (1), a dish feeding mechanism (2), a dispensing mechanism (3), a liquid feeding mechanism (7) and a control system, the dish feeding mechanism (2), the dispensing mechanism (3) and the liquid feeding mechanism (7) are arranged on the support seat (1), the control system controls the dish feeding mechanism (2), the dispensing mechanism (3) and the liquid feeding mechanism (7) respectively, characterized in that: The tray conveying mechanism (2) is provided with a tray conveying hole, the dispensing mechanism (3) is provided with a dispensing hole corresponding to the position of the tray conveying hole, a mechanical clamp is arranged between one of the tray conveying holes and the dispensing hole, and the lower side of the dispensing mechanism (3) is provided with a culture dish push plate (5). ​ 2. The fully automatic medium sub-packaging device according to claim 1, characterized in that: The two tray conveying holes include a tray conveying hole and a tray combining hole, the mechanical clamp is arranged between the tray conveying hole and the dispensing hole, and one side of the tray combining hole is provided with a blocking piece arranged to rotate up and down.

3. The fully automatic medium sub-packaging device according to claim 2, characterized in that: The mechanical clamp includes a mechanical clamp driving mechanism (10) and a clamp (13), the two clamps (13) are arranged to slide horizontally on one side of the mechanical clamp driving mechanism (10), the mechanical clamp driving mechanism (10) drives the two clamps (13) to slide relative to each other, and the grabbing space surrounded by the two clamps (13) corresponds to the tray conveying hole.

4. The fully automatic medium sub-packaging device according to claim 1, characterized in that: The tray conveying mechanism (2) includes a flat plate rack (201), a fixed plate (202) and a rotating plate (203), the fixed plate (202) is arranged on the support base (1), the rotating plate (203) is arranged to rotate on the upper side of the fixed plate (202), and the flat plate rack (201) is arranged on the upper side of the rotating plate (203).

5. The fully automatic medium sub-packaging device according to claim 4, characterized in that: The fixed plate (202) is provided with two fixed plate holes (204), the rotating plate (203) is provided with a plurality of rotating plate holes (205) corresponding to the positions, the diameter of the rotating plate hole (205) is equal to the diameter of the fixed plate hole (204), the diameter of the rotating plate hole (205) is greater than the diameter of the culture dish, and the rotating plate hole (205) and the fixed plate hole (204) are coincided to form the tray conveying hole.

6. The fully automatic medium sub-packaging device according to claim 1, characterized in that: The dispensing mechanism (3) includes an upper turntable (301) and a lower turntable (302), the lower turntable (302) is arranged on the lower side of the upper turntable (301) and coaxially arranged with the upper turntable (301), the upper turntable (301) is provided with a plurality of upper turntable holes (303), and the lower turntable (302) is provided with a plurality of lower turntable holes (304) corresponding to the positions, the diameter of the lower turntable hole (304) is less than the diameter of the upper turntable hole (303).

7. The fully automatic medium sub-packaging device according to claim 6, characterized in that: The diameter of the upper turntable hole (303) is less than the diameter of the culture dish cover and greater than the diameter of the culture dish, and the diameter of the lower turntable hole (304) is less than the diameter of the culture dish.

8. The fully automatic medium sub-packaging device according to claim 6, characterized in that: The liquid conveying mechanism (7) includes a peristaltic pump (701) and a liquid injection connector (702), the peristaltic pump (701) is arranged on the support base (1) and connected with the liquid injection connector (702) arranged between the upper turntable (301) and the lower turntable (302), and the liquid injection connector (702) is arranged on the upper side of the lower turntable hole (304) on one side of the culture dish push plate (5).

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