Dairy product reserved sample refrigerating device

Abstract

The utility model relates to the technical field of dairy product processing, and provides a dairy product reserved sample cold storage device which comprises a cold storage, a transferring mechanism, a reserved sample temporary storage frame and a thawing temporary storage frame. The transferring mechanism is arranged on one side of the refrigeration house, and the reserved sample temporary storage frame and the thawing temporary storage frame are arranged side by side and located on the side, away from the refrigeration house, of the transferring mechanism. The transferring mechanism comprises a track line and a mechanical arm, and the mechanical arm is movably arranged on the track line in the extending direction of the track line. The reserved sample temporary storage frame is used for temporarily storing sample bottles with samples and sample bottles refrigerated in the refrigeration house, the thawing temporary storage frame is used for thawing the refrigerated sample bottles and temporarily storing the thawed sample bottles, and the transferring mechanism is used for controlling the sample bottles to be transferred among the refrigeration house, the reserved sample temporary storage frame and the thawing temporary storage frame through a manipulator. According to the utility model, the reserved sample refrigeration operation of the sample can be automatically completed, the whole operation process does not need personnel participation, the cost is low, and the reserved sample refrigeration treatment efficiency of the sample is improved.

Description

Technical Field

[0001] This utility model relates to the field of dairy processing technology, and in particular to a dairy product sample refrigeration device. Background Technology

[0002] During the dairy processing, after the raw milk is sampled, the samples are usually sent to various testing stations for testing, and some samples are also retained for preservation according to testing requirements.

[0003] In existing technologies, the sample retention and disposal process is mainly carried out manually. After receiving the sample bottles containing the samples, the operators put the sample bottles into the cold storage. After the sample bottles have reached the refrigeration period, they are taken out of the cold storage and then thawed. The entire process requires the operator's participation, which is time-consuming and labor-intensive. When there are many sampling tasks, more operators are needed, which increases labor costs, while the processing efficiency is not significantly improved. Utility Model Content

[0004] This utility model provides a dairy product sample retention and refrigeration device to at least solve or improve the problems of high labor costs, time and effort, and difficulty in ensuring operational efficiency in the manual sample retention and preservation operation of the prior art.

[0005] This utility model provides a dairy product sample refrigeration device, including: a cold storage, a transfer mechanism, a sample retention rack, and a thawing rack;

[0006] The transfer mechanism is located on one side of the cold storage, and the sample retention rack and the thawing rack are arranged side by side and located on the side of the transfer mechanism away from the cold storage.

[0007] The transfer mechanism includes a track and a robot arm. The track extends along the arrangement direction of the sample retention rack and the thawing rack, and the robot arm is movably mounted on the track along the extension direction of the track.

[0008] The sample retention rack is used to store sample bottles that have been sampled and sample bottles that have been refrigerated in the cold storage. The thawing rack is used to thaw the refrigerated sample bottles and store the thawed sample bottles. The transfer mechanism is used to control the transfer of the sample bottles between the cold storage, the sample retention rack, and the thawing rack via the robotic arm.

[0009] According to the present invention, a dairy product sample refrigeration device is provided, wherein the cold storage includes a cold storage room and an opening communicating with the cold storage room, and an automatic opening and closing door is provided at the opening, the automatic opening and closing door being used to control the opening and closing of the opening;

[0010] The cold storage room is equipped with storage shelves for storing the sample bottles.

[0011] According to the present invention, a dairy product sample retention and refrigeration device is provided, wherein the robotic arm includes a movable base and a robotic arm body;

[0012] The movable base is movably disposed on the track line along the extension direction of the track line, and the robot arm body is disposed on the movable base. The robot arm body is used to transfer the sample bottle.

[0013] According to the present invention, a dairy product sample refrigeration device is provided, wherein the movable base includes a base body and a drive motor, and the track line includes a guide rail and a rack arranged side by side;

[0014] The base is movably mounted on the guide rail, the drive motor is mounted on the base, and the output end of the drive motor is provided with a gear, which meshes with the rack.

[0015] According to the present invention, a dairy product sample retention and refrigeration device is provided, wherein the robotic arm body includes a robotic arm, a gripper, and a tray gripper;

[0016] The first end of the robotic arm is connected to the movable base, and the second end of the robotic arm can be selectively and detachably connected to either the gripper or the pallet gripper.

[0017] The gripper is used to hold the sample bottle, the tray gripper is used to connect to the sample tray, and the sample tray is used to support the sample bottle.

[0018] According to the present invention, a dairy product sample refrigeration device is provided on the movable base, wherein a first locking position and a second locking position are provided, the first locking position is used to place the gripper, and the second locking position is used to place the tray handle.

[0019] According to the present invention, a dairy product sample retention and refrigeration device is provided, wherein the sample retention buffer rack includes a first frame, the first frame is provided with a plurality of first tray stations, the plurality of first tray stations are arranged in layers, and each first tray station is used to place a sample tray.

[0020] The sample tray is equipped with an electronic tag, and the first tray station is equipped with a card reader for reading the information of the electronic tag.

[0021] According to the present invention, a dairy product sample refrigeration device is provided, wherein the thawing buffer rack includes a thawing compartment and a buffer compartment;

[0022] The thawing chamber is used to thaw the refrigerated sample vials. The thawing chamber is equipped with a movable door, which is used to control the opening and closing of the thawing chamber. The buffer chamber is used to buffer the thawed sample vials.

[0023] According to the present invention, a dairy product sample refrigeration device is provided, wherein the thawing buffer rack further includes an equipment compartment, and the equipment compartment is equipped with a blower.

[0024] The thawing chamber has an air inlet and an air outlet, and the blower is connected to the air inlet. The blower is configured to introduce hot air into the thawing chamber through the air inlet.

[0025] According to the present invention, a dairy product sample retention and refrigeration device is provided, wherein the thawing room is provided with a plurality of second tray stations, and the plurality of second tray stations are arranged in layers;

[0026] The buffer room is equipped with multiple third tray stations, which are arranged in layers. Both the second tray station and the third tray station are used to place sample trays.

[0027] The dairy product sample retention and refrigeration device provided by this utility model has a transfer mechanism set between the cold storage, the sample retention rack, and the thawing rack. The track line of the transfer mechanism is set along the arrangement direction of the sample retention rack and the thawing rack, and the robot arm of the transfer mechanism is movably set on the track line. When the sample bottles are stored on the sample retention rack, the robot arm can pick up the sample bottles from the sample retention rack and transfer them to the cold storage for refrigeration. After being refrigerated in the cold storage, the sample bottles can also be transferred to the sample retention rack for refrigeration by the robot arm, and then transferred to the thawing rack for thawing. The thawed sample bottles can also be transferred to other positions on the thawing rack for refrigeration by the robot arm.

[0028] As can be seen from the above, the dairy product sample retention and refrigeration device shown in this utility model can automatically complete the sample retention and refrigeration operation. The entire operation process does not require personnel intervention, which not only reduces costs but also improves the efficiency of sample retention and refrigeration. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0030] Figure 1This is a schematic diagram of the structure of the dairy product sample retention and refrigeration device provided by this utility model.

[0031] Figure 2 This is a schematic diagram of the transfer mechanism provided by this utility model.

[0032] Figure 3 This is a schematic diagram of the sample retention buffer rack provided by this utility model.

[0033] Figure 4 This is a schematic diagram of the structure of the defrosting buffer rack provided by this utility model.

[0034] Figure 5 This is a structural schematic diagram of the first collaborative robot provided by this utility model.

[0035] Figure 6 This is a schematic diagram of the structure of the second collaborative robot provided by this utility model.

[0036] Figure label:

[0037] 100. Sample vials;

[0038] 1. Cold storage; 10. Storage rack; 11. Cold storage compartment; 12. Opening; 13. Automatic door opening and closing;

[0039] 2. Transfer mechanism; 21. Track line; 211. Guide rail; 212. Rack; 22. Robotic arm; 221. Moving base; 2211. Base; 2212. Drive motor; 201. First clamping position; 202. Second clamping position; 222. Robotic arm body; 2221. Robotic arm; 2222. Gripper; 2223. Pallet gripper;

[0040] 3. Sample buffer rack; 31. First rack body; 311. First pallet station;

[0041] 4. Thawing buffer rack; 41. Thawing room; 411. Second pallet station; 42. Buffer room; 421. Third pallet station; 43. Equipment room; 431. Blower equipment;

[0042] 5. First collaborative robot; 6. Second collaborative robot. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0044] The following is combined with Figures 1-6 The present invention provides a detailed description of the dairy product sample retention and refrigeration device provided in the present invention through specific embodiments and application scenarios.

[0045] In some embodiments, such as Figure 1 As shown, this utility model embodiment provides a dairy product sample refrigeration device, including: a cold storage 1, a transfer mechanism 2, a sample retention rack 3, and a thawing rack 4;

[0046] The transfer mechanism 2 is located on one side of the cold storage 1, and the sample retention rack 3 and the thawing rack 4 are arranged side by side and located on the side of the transfer mechanism 2 away from the cold storage 1.

[0047] The transfer mechanism 2 includes a track line 21 and a robot arm 22. The track line 21 extends along the arrangement direction of the sample retention rack 3 and the thawing rack 4. The robot arm 22 is movably mounted on the track line 21 along the extension direction of the track line 21.

[0048] The sample retention rack 3 is used to store the sample bottles 100 after sampling and the sample bottles 100 after being refrigerated by the cold storage 1. The thawing rack 4 is used to thaw the sample bottles 100 after refrigeration and to store the thawed sample bottles 100. The transfer mechanism 2 is used to control the transfer of sample bottles 100 between the cold storage 1, the sample retention rack 3 and the thawing rack 4 by the robot arm 22.

[0049] Understandably, by setting up a transfer mechanism 2 between the cold storage 1, the sample retention rack 3, and the thawing rack 4, and setting up a track line 21 for the transfer mechanism 2 along the arrangement direction of the sample retention rack 3 and the thawing rack 4, and movably setting the robotic arm 22 of the transfer mechanism 2 on the track line 21, when the sample bottle 100 with the sample taken is stored on the sample retention rack 3, the robotic arm 22 can be used to pick up the sample bottle 100 from the sample retention rack 3 and transfer the sample bottle 100 to the cold storage 1 for refrigeration. The sample bottle 100 after being refrigerated in the cold storage 1 can also be transferred to the sample retention rack 3 for refrigeration by the robotic arm 22, and then transferred to the thawing rack 4 for thawing treatment by the robotic arm 22. Furthermore, the thawed sample bottle 100 can also be transferred to other positions on the thawing rack 4 for refrigeration by the robotic arm 22.

[0050] As can be seen from the above, the dairy product sample retention and refrigeration device shown in this utility model can automatically complete the sample retention and refrigeration operation. The entire operation process does not require personnel intervention, which not only reduces costs but also improves the efficiency of sample retention and refrigeration.

[0051] In some embodiments, such as Figure 1 As shown, the cold storage 1 includes a cold storage room 11 and an opening 12 communicating with the cold storage room 11. An automatic opening and closing door 13 is provided at the opening 12, which is used to control the opening and closing of the opening 12.

[0052] The cold storage room 11 is equipped with a storage rack 10, which is used to store sample bottles 100.

[0053] Understandably, cold storage 1 is equipped with a refrigeration system, which includes a compressor, condenser, expansion valve, and evaporator. The compressor, condenser, expansion valve, and evaporator are connected in sequence to form a closed-loop system. The refrigeration system provides cooling capacity to the cold storage compartment 11 through the evaporator to ensure that the temperature inside the cold storage compartment 11 meets the refrigeration requirements of the samples.

[0054] To facilitate the robotic arm 22 in placing the picked-up sample bottle 100 onto the storage rack 10, or picking up the sample bottle 100 from the storage rack 10, the opening 12 of the cold storage 1 can be configured to face the side of the transfer mechanism 2.

[0055] The automatic door 13 can be a sliding door. For example, the automatic door 13 includes a door body and a telescopic drive. The door body is movably disposed at the opening 12 along the extension direction of the track line 21. The telescopic drive can be a hydraulic cylinder or a pneumatic cylinder. The telescopic drive is connected to the door body to drive the door body to switch between a first position and a second position. When the door body is in the first position, the door body is in a position that covers the opening 12. When the door body is in the second position, the door body is away from the opening 12 so that the opening 12 is in an open state.

[0056] Meanwhile, a photoelectric switch can be installed on the door body of the automatic opening and closing door 13. The photoelectric switch is electrically connected to the telescopic drive component. When the robot arm 22 approaches the door body, the photoelectric switch is triggered by the robot arm 22 and sends a trigger signal back to the telescopic drive component. The telescopic drive component responds to the trigger signal and drives the door body to switch from the second position to the first position. Correspondingly, when the robot arm 22 moves away from the door body, the photoelectric switch will not be triggered by the robot arm 22, so the telescopic drive component drives the door body to switch from the first position to the second position.

[0057] In addition, multiple sample trays can be placed on the storage rack 10, and each sample tray can hold a preset number of sample bottles 100, which can be 8-12.

[0058] In some embodiments, such as Figure 1 and Figure 2 As shown, the robot arm 22 includes a movable base 221 and a robot arm body 222; the movable base 221 is movably disposed on the track line 21 along the extension direction of the track line 21, and the robot arm body 222 is disposed on the movable base 221. The robot arm body 222 is used to transfer the sample bottle 100.

[0059] Understandably, the mobile base 221 is equipped with a walking mechanism, which enables the mobile base 221 to move along the track line 21, thereby driving the robot body 222 between the sample retention buffer rack 3 and the thawing buffer rack 4, realizing the transfer of sample bottles 100 between the sample retention buffer rack 3 and the thawing buffer rack 4 by controlling the robot body 222.

[0060] Meanwhile, the robotic arm body 222 can be a multi-degree-of-freedom robotic arm known in the art, such as a six-axis robotic arm. This design ensures that the end effector of the robotic arm body 222 can reach different positions in three-dimensional space, meeting the needs of picking up and transferring sample bottles 100 at different positions.

[0061] In some embodiments, such as Figure 2 As shown, in order to achieve stable and reliable movement of the movable base 221 along the track line 21, the movable base 221 includes a base body 2211 and a drive motor 2212. The track line 21 includes a guide rail 211 and a rack 212 arranged side by side. The base body 2211 is movably mounted on the guide rail 211, and the drive motor 2212 is mounted on the base body 2211. The output end of the drive motor 2212 is provided with a gear, and the gear and the rack 212 are meshed together.

[0062] Specifically, the track line 21 can be provided with two guide rails 211, which are spaced apart from each other and arranged side by side, and the rack 212 extends along one of the guide rails 211.

[0063] Meanwhile, the robotic arm body 222 is mounted on the base 2211. The bottom of the base 2211 can be provided with two sets of track wheels, which are correspondingly set on two guide rails 211. When the drive motor 2212 starts working, the drive motor 2212 will drive the gear to rotate. By utilizing the meshing between the gear and the rack 212, the base 2211 can support the robotic arm body 222 to move along the track line 21.

[0064] In some embodiments, such as Figure 2 As shown, the robotic arm body 222 includes a robotic arm 2221, a gripper 2222, and a tray gripper 2223; the first end of the robotic arm 2221 is connected to the movable base 221, and the second end of the robotic arm 2221 can be selectively and detachably connected to either the gripper 2222 or the tray gripper 2223; wherein, the gripper 2222 is used to hold the sample bottle 100, and the tray gripper 2223 is used to connect to the sample tray, on which the sample tray is used to support the sample bottle 100.

[0065] Understandably, the second end of the robotic arm 2221 is equipped with a quick-connect connector, which can selectively connect to either the gripper 2222 or the pallet gripper 2223. The quick-connect connector can be a magnetic head, capable of magnetically engaging with both the gripper 2222 and the pallet gripper 2223.

[0066] In practical applications, the gripper 2222 and the pallet gripper 2223 are placed on the movable base 221 respectively. When it is necessary to transfer a sample bottle 100 separately, the second end of the robotic arm 2221 can be connected to the gripper 2222, and the gripper 2222 can be used to grip the sample bottle 100.

[0067] When multiple sample vials 100 need to be transferred simultaneously using a sample tray, the second end of the robotic arm 2221 can be separated from the gripper 2222 and connected to the tray gripper 2223. The tray gripper 2223 can support the underside of the sample tray, which allows the robotic arm 2221 to move multiple sample vials 100 via the sample tray.

[0068] In some embodiments, such as Figure 2 As shown, the movable base 221 is provided with a first locking position 201 and a second locking position 202. The first locking position 201 is used to place the gripper 2222, and the second locking position 202 is used to place the tray gripper 2223.

[0069] Understandably, by placing the gripper 2222 in the first locking position 201 and the pallet gripper 2223 in the second locking position 202, the placement posture and position of the gripper 2222 and the pallet gripper 2223 remain unchanged. This design facilitates the control of the second end of the robotic arm 2221 to reach the first locking position 201 or the second locking position 202 for the installation and replacement of the gripper 2222 and the pallet gripper 2223.

[0070] The first clamping position 201 and the second clamping position 202 can both adopt the bayonet known in the art, and the gripper 2222 can be an electric gripper 2222 or a pneumatic gripper 2222.

[0071] In some embodiments, such as Figure 3 As shown, the sample buffer rack 3 includes a first frame 31, which has multiple first tray stations 311 arranged in layers. Each first tray station 311 is used to place a sample tray. The sample tray is equipped with an electronic tag, and the first tray station 311 is equipped with a card reader for reading the information of the electronic tag. The card reader is configured to communicate with the robot arm 22.

[0072] Specifically, the first frame 31 can be equipped with three layers of first tray stations 311. The sample tray corresponding to the top layer of first tray stations 311 is used to buffer the sample bottles 100 that have been sampled. The sample trays corresponding to the two lower layers of first tray stations 311 are used to buffer the sample bottles 100 that have been refrigerated by the cold storage 1.

[0073] Since each sample tray is equipped with an electronic tag, and a card reader for reading the information of the electronic tag is provided at the first tray station 311, this design can ensure that each sample bottle 100 in each sample tray has corresponding identity ID information. By reading the information represented by the electronic tag in the sample tray through the card reader, the robot arm 22 can accurately obtain the identity ID information of the sample bottle 100 in each sample tray and can move the corresponding sample bottle 100 according to actual needs.

[0074] In some embodiments, such as Figure 4 As shown, the thawing buffer rack 4 includes a thawing chamber 41 and a buffer chamber 42; the thawing chamber 41 is used to thaw the sample bottles 100 that have been refrigerated, and the thawing chamber 41 is equipped with a movable door, which is used to control the opening and closing of the thawing chamber 41; the buffer chamber 42 is used to buffer the thawed sample bottles 100.

[0075] Understandably, the thawing chamber 41 and the buffer chamber 42 are isolated from each other. The temperature inside the thawing chamber 41 is sufficient to meet the thawing requirements of the samples in the sample vials 100. For example, the temperature inside the thawing chamber 41 can be 50℃ to 80℃.

[0076] The defrosting chamber 41 has a doorway facing the transfer mechanism 2. The movable door includes a door panel and a drive unit. The door panel is rotatably disposed at the doorway. The drive unit is connected to the door panel to drive the door panel to rotate, thereby controlling the opening and closing of the doorway by the door panel, so as to realize the opening and closing of the defrosting chamber 41 by the movable door.

[0077] When the sample bottle 100 that has been refrigerated is thawed in the thawing chamber 41, the movable door is in the closed state; when the sample bottle 100 is placed into the thawing chamber 41 or when the thawed sample bottle 100 is taken out, the movable door is in the open state.

[0078] In some embodiments, such as Figure 4 As shown, the defrosting buffer rack 4 also includes an equipment chamber 43, which is equipped with a blower 431. The defrosting chamber 41 has an air inlet and an air outlet, and the blower 431 is connected to the air inlet. The blower 431 is configured to introduce hot air into the defrosting chamber 41 through the air inlet.

[0079] Specifically, the blower 431 includes a blower and an electric heating element. The electric heating element can be an electric heating wire. The electric heating element is installed at the air outlet of the blower, and the air outlet of the blower is connected to the air inlet.

[0080] In practical applications, when thawing the refrigerated sample bottle 100, the fan and electric heating element are started and running respectively. The air output by the fan is converted into hot air after being heated by the electric heating element. The hot air enters the thawing chamber 41 through the air inlet and exchanges heat with the refrigerated sample bottle 100 to achieve heating and thawing of the sample bottle 100. The air after heat exchange is discharged from the air outlet.

[0081] In some embodiments, such as Figure 4 As shown, the thawing chamber 41 is equipped with multiple second tray stations 411, which are arranged in layers; the buffer chamber 42 is equipped with multiple third tray stations 421, which are arranged in layers. Both the second tray stations 411 and the third tray stations 421 are used to place sample trays, and multiple sample bottles 100 can be placed on each sample tray.

[0082] In some embodiments, such as Figure 5 and Figure 6 As shown in the figure, the dairy product sample refrigeration device shown in this embodiment can also be configured with a first collaborative robot 5 and a second collaborative robot 6. The first collaborative robot 5 and the second collaborative robot 6 can be set on the side of the sample buffer rack 3 away from the transfer mechanism 2.

[0083] Specifically, both the first collaborative robot 5 and the second collaborative robot 6 can be six-axis robots. The execution end of the first collaborative robot 5 can be equipped with two pneumatic grippers to achieve the ability to grasp two sample bottles 100 at a time; the execution end of the second collaborative robot 6 can be equipped with one electric gripper to achieve the ability to grasp one sample bottle 100 at a time.

[0084] In practical applications, the first collaborative robot 5 is configured to pick up the sample bottle 100 that has been sampled from the location of the sampling device and place the sample bottle 100 on the sample buffer rack 3. The second collaborative robot 6 is used to transfer the sample bottle 100 that has been sampled and buffered on the sample buffer rack 3 to the bottling device. After the bottling device loads multiple sample bottles 100 into the transport bottle, the transport bottle can be transported to each testing station by a pneumatic pipeline, and each testing station will carry out the sample testing work.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A dairy product sample refrigeration device, characterized in that, include: Cold storage, transfer mechanism, sample retention rack and thawing rack; The transfer mechanism is located on one side of the cold storage, and the sample retention rack and the thawing rack are arranged side by side and located on the side of the transfer mechanism away from the cold storage. The transfer mechanism includes a track and a robot arm. The track extends along the arrangement direction of the sample retention rack and the thawing rack, and the robot arm is movably mounted on the track along the extension direction of the track. The sample retention rack is used to store sample bottles that have been sampled and sample bottles that have been refrigerated in the cold storage. The thawing rack is used to thaw the refrigerated sample bottles and store the thawed sample bottles. The transfer mechanism is used to control the transfer of the sample bottles between the cold storage, the sample retention rack, and the thawing rack via the robotic arm.

2. The dairy product sample refrigeration device according to claim 1, characterized in that, The cold storage includes a cold storage room and an opening communicating with the cold storage room. The opening is equipped with an automatic opening and closing door, which is used to control the opening and closing of the opening. The cold storage room is equipped with storage shelves for storing the sample bottles.

3. The dairy product sample refrigeration device according to claim 1, characterized in that, The robotic arm includes a movable base and a robotic arm body; The movable base is movably disposed on the track line along the extension direction of the track line, and the robot arm body is disposed on the movable base. The robot arm body is used to transfer the sample bottle.

4. The dairy product sample refrigeration device according to claim 3, characterized in that, The movable base includes a base body and a drive motor, and the track includes guide rails and racks arranged side by side; The base is movably mounted on the guide rail, the drive motor is mounted on the base, and the output end of the drive motor is provided with a gear, which meshes with the rack.

5. The dairy product sample refrigeration device according to claim 3, characterized in that, The robotic arm body includes a robotic arm, grippers, and a tray gripper; The first end of the robotic arm is connected to the movable base, and the second end of the robotic arm can be selectively and detachably connected to either the gripper or the pallet gripper. The gripper is used to hold the sample bottle, the tray gripper is used to connect to the sample tray, and the sample tray is used to support the sample bottle.

6. The dairy product sample refrigeration device according to claim 5, characterized in that, The mobile base is provided with a first locking position and a second locking position. The first locking position is used to place the gripper, and the second locking position is used to place the tray gripper.

7. The dairy product sample refrigeration device according to any one of claims 1 to 6, characterized in that, The sample retention rack includes a first frame, which has multiple first tray stations arranged in layers, and each first tray station is used to place a sample tray. The sample tray is equipped with an electronic tag, and the first tray station is equipped with a card reader for reading the information of the electronic tag.

8. The dairy product sample refrigeration device according to any one of claims 1 to 6, characterized in that, The defrosting buffer rack includes a defrosting chamber and a buffer chamber; The thawing chamber is used to thaw the refrigerated sample vials. The thawing chamber is equipped with a movable door, which is used to control the opening and closing of the thawing chamber. The buffer chamber is used to buffer the thawed sample vials.

9. The dairy product sample refrigeration device according to claim 8, characterized in that, The defrosting buffer rack also includes an equipment room, which is equipped with a blower. The thawing chamber has an air inlet and an air outlet, and the blower is connected to the air inlet. The blower is configured to introduce hot air into the thawing chamber through the air inlet.

10. The dairy product sample refrigeration device according to claim 8, characterized in that, The defrosting room is equipped with multiple second tray workstations, which are arranged in a layered manner. The buffer room is equipped with multiple third tray stations, which are arranged in layers. Both the second tray station and the third tray station are used to place sample trays.

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