Cover opening equipment for cryopreservation tube

Abstract

The invention relates to the technical field of mechanical equipment, and particularly provides uncovering equipment for a cryopreservation tube. The cover opening equipment for the cryopreservation pipe comprises a fixing device, a first lifting mechanism installed on the fixing device and a cover opening device installed on the first lifting mechanism, and the first lifting mechanism can drive the cover opening device to move in the vertical direction. The cover opening device comprises a first mounting base body connected with the first lifting mechanism, and a driving mechanism, a second lifting mechanism and a cover opening bit which are mounted on the first mounting base body, the cover opening bit can rotate relative to the second lifting mechanism, and the driving mechanism is used for driving the cover opening bit to rotate so as to perform cover opening operation or cover closing operation on the cryopreservation tube; the cover opening screwdriver head can move relative to the driving mechanism in the vertical direction, through the design, after the cover opening device completes cover closing operation, the second lifting mechanism can drive the cover opening screwdriver head to vertically move upwards, the bottom end of the driving mechanism abuts against a tube cover of the cryopreservation tube, and therefore the cover opening screwdriver head and the tube cover are smoothly separated.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment, and in particular provides a device for opening a cover of a cryopreservation tube. Background Art

[0002] In biological science laboratories and the medical field, some important biological samples need to be sealed and preserved. In order to ensure the reliability of biological preservation, test tubes with end caps are usually used for preservation. Currently, the most commonly used biological preservation container is the cryotube, which is also called the biological preservation tube, which is used for the preservation and transfer of bacterial strains. Generally, the cryotube is also placed with magnetic beads for the adsorption and preservation of bacteria.

[0003] The cap of the cryogenic tube prevents the leakage of samples, the contamination of samples by foreign objects, and the volatilization of samples. During the experiment, detection and analysis equipment is often required to detect and analyze the samples in the cryogenic tube, and the cap needs to be opened before the samples enter the detection equipment. At present, the main ways of opening the cap are manual opening and machine opening. The efficiency of manual opening is very low and there is a risk of pollution. The current machine opening equipment inserts the opening screw into the tube cap of the cryogenic tube and performs the opening and closing operations by rotating the opening screw. However, the existing opening screw and the tube cap of the cryogenic tube are mostly arranged to be connected with an interference fit. After opening the cap, the opening screw can move with the tube cap of the cryogenic tube to facilitate scientific researchers to perform detection and analysis. After the detection and analysis is completed, the opening screw can move with the tube cap of the cryogenic tube to the top of the cryogenic tube for closing the cap. However, when the opening screw moves upward after closing the cap, due to the interference fit between the opening screw and the tube cap of the cryogenic tube, the opening screw is difficult to separate from the tube cap of the cryogenic tube, which will cause the cryogenic tube to shake or even break the cryogenic tube.

[0004] Therefore, this field needs a new technical solution to solve the above problems. Summary of the invention

[0005] The present invention aims to solve the above technical problem, that is, to solve the problem that the capping tool head of the existing cryogenic tube capping device is difficult to separate from the tube cap of the cryogenic tube.

[0006] In a first aspect, the present invention provides a cover opening device for a cryogenic tube, comprising a fixing device, a first lifting mechanism installed on the fixing device, and a cover opening device installed on the first lifting mechanism, the first lifting mechanism being used to drive the cover opening device to move in a vertical direction relative to the fixing device, the cover opening device comprising a first mounting base connected to the first lifting mechanism and a driving mechanism, a second lifting mechanism and a cover opening batch head installed on the first mounting base, the cover opening batch head being installed on the second lifting mechanism and being able to rotate relative to the second lifting mechanism, the driving mechanism being used to drive the cover opening batch head to rotate so as to open or close the cryogenic tube, the cover opening batch head being able to move in a vertical direction relative to the driving mechanism, and after the cover opening device completes the cover closing operation, the second lifting mechanism being able to drive the cover opening batch head to move vertically upward, and the bottom end of the driving mechanism being pressed against the tube cover of the cryogenic tube to separate the cover opening batch head from the tube cover.

[0007] When adopting the above technical solution, the present invention arranges the uncapping bit to be movable in the vertical direction relative to the driving mechanism. After the uncapping device completes the closing operation, the second lifting mechanism can drive the uncapping bit to move vertically upward, and the bottom end of the driving mechanism can be pressed against the tube cap of the cryogenic tube, thereby smoothly separating the uncapping bit from the tube cap.

[0008] In the preferred technical solution of the above-mentioned cryogenic tube opening device, the driving mechanism includes a rotating driving component and a transmission shaft, the rotating driving component is fixedly connected to the first mounting base, the transmission shaft is vertically arranged, the top end of the transmission shaft is fixedly connected to the rotating driving component, and the bottom end of the transmission shaft is connected to the opening screwdriver, the rotating driving component can drive the transmission shaft to rotate to drive the opening screwdriver to rotate, the opening screwdriver is provided with a through hole extending in the vertical direction, the bottom end of the transmission shaft is inserted into the through hole, and the opening screwdriver can move along the length direction of the transmission shaft.

[0009] In the case of adopting the above technical solution, the present invention sets the driving mechanism as a rotating driving component and a transmission shaft, and drives the transmission shaft to rotate by the rotating driving component to drive the cover opening bit to rotate. The structure is simple and easy to install and disassemble.

[0010] In the preferred technical solution of the above-mentioned cryotube opening device, a plurality of opener bits are arranged on the first mounting base in a horizontal direction and are spaced apart from each other. The number of the rotary drive member and the transmission shaft is also plural and corresponds one-to-one to the plurality of opener bits.

[0011] When the above technical solution is adopted, the present invention increases the number and improves the efficiency of opening the cover by providing a corresponding plurality of the rotating driving member, the transmission shaft and the cover opening bit.

[0012] In the preferred technical solution of the above-mentioned cryotube cover opening device, two adjacent rotation drive components are staggered in the vertical direction.

[0013] When the above technical solution is adopted, the present invention saves space and reduces costs by staggering two adjacent rotation drive components in the vertical direction.

[0014] In the preferred technical solution of the above-mentioned cryogenic tube opening device, the second lifting mechanism includes a second lifting drive component, a transmission assembly and a second mounting base, the second lifting drive component is fixedly connected to the first mounting base, the second lifting drive component is connected to the second mounting base through the transmission assembly to drive the second mounting base to move in a vertical direction, and the opening screwdriver bit is mounted on the second mounting base.

[0015] When the above technical solution is adopted, the present invention drives the second mounting base and the cover opening bit to move in the vertical direction through the second lifting drive component through the transmission assembly, and the structure is simple and easy to operate.

[0016] In the preferred technical solution of the above-mentioned cryogenic tube opening device, the transmission assembly includes a vertically arranged second lead screw, a lifting component threadedly matched with the second lead screw, and a guide column arranged on the lifting component, the first mounting base is provided with a guide hole adapted to the guide column, the guide column is vertically arranged, the bottom end of the guide column passes through the guide hole and is connected to the second mounting base, the second lifting drive component is connected to the second lead screw and can drive the second lead screw to rotate, the lifting component can move along the length direction of the second lead screw as the second lead screw rotates, so as to drive the guide column, the second mounting base and the opening bit to move in the vertical direction.

[0017] When adopting the above technical solution, the present invention drives the second lead screw to rotate through the second lifting drive component, so that the lifting component can move along the length direction of the second lead screw as the lead screw rotates, thereby driving the guide column, the second mounting base and the opener screw head to move in the vertical direction. The structural design is simple, easy to operate, install and maintain, and the guide column and the guide hole are provided to make the lifting component move up and down more smoothly.

[0018] In the preferred technical scheme of the above-mentioned opening device for the cryogenic tube, the first mounting base includes a vertical fixed plate connected to the first lifting mechanism and a horizontal fixed plate and a fixed block arranged on the vertical fixed plate, the horizontal fixed plate is located above the fixed block, the second lifting drive component is installed on the horizontal fixed plate, the lifting component is located between the horizontal fixed plate and the fixed block, the guide hole is arranged on the fixed block, and the rotation drive component is installed on the fixed block; and / or the lifting component includes a horizontally arranged lifting plate and a nut installed on the lifting plate, the nut is sleeved on the second lead screw, and the top end of the guide column is connected to the lifting plate; and / or the number of the guide columns is at least two and they are spaced apart in the horizontal direction; and / or the opening device also includes a second position sensing device, the second position sensing device includes a matching second fixed sensing component and a second movable sensing component, the second fixed sensing component is installed on the first mounting base, and the second movable sensing component is installed on the lifting component.

[0019] In the case of adopting the above technical scheme, the present invention sets the first mounting base as a vertical fixing plate and a horizontal fixing plate and a fixing block arranged on the vertical fixing plate, so that the structure is simple and the installation is convenient; sets the lifting component as a lifting plate and a nut installed on the lifting plate, so that the structure is simple and the cost is saved; sets the number of guide columns to at least two spaced apart in the horizontal direction, so that the lifting component moves more smoothly; and sets a second position sensing device to detect the position of the lifting component, so that the operation of the cover opening device is more precise.

[0020] In the preferred technical scheme of the above-mentioned uncovering device for freezing tubes, the uncovering batch head comprises a batch head, a sleeve and an elastic member, the sleeve is vertically arranged, the batch head is connected to the bottom end of the sleeve, the through hole is arranged on the batch head and connected to the sleeve, the second mounting base is provided with a mounting hole, the bottom end of the sleeve passes through the mounting hole, the batch head is located below the mounting hole, the elastic member is sleeved on the batch head, the bottom and top ends of the elastic member respectively abut against the batch head end of the batch head and the bottom wall of the second mounting base, a limiting structure is provided on the outer wall of the sleeve, the limiting structure is located above the mounting hole, and the limiting structure is configured to prevent the sleeve from moving downward through the mounting hole; and / or the uncovering setting also includes a detection device, the detection device is mounted on the second mounting base, and the detection device is configured to detect whether the freezing tube is successfully uncovered after the uncovering device completes the uncovering operation.

[0021] In the case of adopting the above technical solution, the present invention arranges an elastic component on the bit so that when the bit is inserted into the tube cover, the elastic component is squeezed to give the bit a certain expansion and contraction space, thereby making it easier for the bit to be inserted into the groove of the tube cover. A limiting structure is provided on the outer wall of the sleeve so that the sleeve can be stably placed on the second mounting base. A detection device is provided to detect whether the cryogenic tube is successfully opened, thereby avoiding the impact on subsequent automated operations due to failure to timely detect unopened cryogenic tubes.

[0022] In the preferred technical solution of the above-mentioned device for opening the cover of the freezing tube, the first lifting mechanism includes a first lifting drive component, a first lead screw and a slider, the first lifting drive component is installed on the fixing device, the first lead screw is vertically arranged and rotatably installed on the fixing device, the slider is fixedly connected to the first mounting base, the slider is installed on the first lead screw, the first lifting drive component is connected to the first lead screw and can drive the first lead screw to rotate, and the slider can move along the length direction of the first lead screw as the first lead screw rotates.

[0023] When the above technical solution is adopted, the present invention has a simple structure and is easy to operate by configuring the lifting mechanism to include a first lifting drive component, a first lead screw and a sliding block.

[0024] In the preferred technical solution of the above-mentioned opening device for the cryogenic tube, the opening device also includes a first position sensing device, which includes a matching first fixed sensing component and a first movable sensing component, the first fixed sensing component is installed on the fixed device, and the first movable sensing component is installed on the first mounting base.

[0025] When the above technical solution is adopted, the present invention can detect the position of the cover opening device by providing a first position sensing device, thereby making the operation of the cover opening device more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0027] Figure 1 It is a structural schematic diagram of the cover opening device of the cryopreservation tube of the present invention;

[0028] Figure 2 It is a structural exploded diagram of the device for opening the cover of the cryopreservation tube of the present invention;

[0029] Figure 3 It is a partial structural schematic diagram of the cover opening device of the cryopreservation tube of the present invention;

[0030] Figure 4It is a partial structural explosion diagram of the cover opening device for the cryopreservation tube of the present invention.

[0031] List of reference numerals:

[0032] 1. Fixing device;

[0033] 2. First lifting mechanism; 21. First lifting driving member; 22. First lead screw; 23. Sliding block;

[0034] 3. Cover opening device; 31. Rotation driving member; 32. Transmission shaft; 33. Second lifting mechanism; 34. Cover opening bit; 35. First mounting base;

[0035] 331, second lifting drive member; 332, transmission assembly; 333, second mounting base; 341, sleeve; 342, screwdriver bit; 343, elastic member; 351, vertical fixing plate; 352, horizontal fixing plate; 353, fixing block;

[0036] 3321, second lead screw; 3322, lifting member; 3323, guide column; 3331, mounting hole; 3411, limiting structure; 3531, guide hole; 33221, lifting plate; 33222, nut;

[0037] 41. a first fixed sensing component; 42. a first moving sensing component;

[0038] 51. a second fixed sensing component; 52. a second mobile sensing component;

[0039] 6. Detection device. DETAILED DESCRIPTION

[0040] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0041] It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "top", "bottom", "front", "back", "left", "right" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0042] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "setting", "connection" and "installation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] Based on the problem pointed out in the background technology that the uncapping screwdriver of the existing cryogenic tube uncapping device is difficult to separate from the tube cover of the cryogenic tube, the present invention provides a cryogenic tube uncapping device, which aims to arrange the uncapping screwdriver to be movable in the vertical direction relative to the driving mechanism. After the uncapping device completes the closing operation, the second lifting mechanism can drive the uncapping screwdriver to move vertically upward, and the bottom end of the driving mechanism can be pressed against the tube cover of the cryogenic tube, thereby smoothly separating the uncapping screwdriver from the tube cover.

[0044] Specifically, Figure 1 and Figure 2 As shown, the cover opening device for a cryogenic tube of the present invention comprises a fixing device 1, a first lifting mechanism 2 installed on the fixing device 1, and a cover opening device 3 installed on the first lifting mechanism 2. The first lifting mechanism 2 is used to drive the cover opening device 3 to move in a vertical direction relative to the fixing device 1. The cover opening device 3 comprises a first mounting base 35 connected to the first lifting mechanism 2 and a driving mechanism, a second lifting mechanism 33 and a cover opening batch head 34 installed on the first mounting base 35. The cover opening batch head 34 is installed on the second lifting mechanism 33 and can rotate relative to the second lifting mechanism 33. The driving mechanism is used to drive the cover opening batch head 34 to rotate so as to open or close the cryogenic tube. The cover opening batch head 34 can move relative to the driving mechanism in a vertical direction. After the cover opening device 3 completes the cover closing operation, the second lifting mechanism 33 can drive the cover opening batch head 34 to move vertically upward, and the bottom end of the driving mechanism presses against the tube cover of the cryogenic tube to separate the cover opening batch head 34 from the tube cover.

[0045] For example, Figure 1 and Figure 2As shown, the fixing device 1 of the present invention is the basis of the entire lid opening device, which is used to stably support and fix other components. The fixing device 1 can ensure sufficient stability and accuracy under various operating conditions. The first lifting mechanism 2 is arranged in the vertical direction. The first lifting mechanism 2 is installed on the fixing device 1 and can drive the lid opening device 3 to move in the vertical direction. This mobility enables the lid opening device 3 to be accurately positioned on the cryopreservation tubes at different heights, thereby realizing batch lid opening or lid closing operations. The lid opening device 3 is installed on the lifting mechanism and is the core component for performing lid opening and lid closing operations. It is designed with a special The uncapping screwdriver head 34 is driven by the driving mechanism to rotate to open or close the cryogenic tube. The uncapping screwdriver head 34 can accurately act on the tube cover of the cryogenic tube. The uncapping screwdriver head 34 is designed to be able to move relative to the driving mechanism in the vertical direction. This design allows the uncapping screwdriver head 34 to maintain a certain flexibility when contacting and operating the tube cover. When the uncapping device 3 completes the closing operation, the second lifting mechanism 33 can drive the uncapping screwdriver head 34 to move vertically upward, and the bottom end of the driving mechanism can be pressed against the tube cover of the cryogenic tube, so that the uncapping screwdriver head 34 can be smoothly separated from the tube cover.

[0046] It should be noted that the present invention does not impose any limitation on the specific type of the fixing device 1. For example, those skilled in the art can set the fixing device 1 as a fixing frame, a robotic arm or an XY mobile platform, etc., and fix the cover opening device as a module to a mobile device to perform cover opening and closing operations, thereby saving costs and improving efficiency. Such flexible adjustments and changes do not deviate from the principle and scope of the present invention and should be limited within the protection scope of the present invention.

[0047] It should also be noted that the present invention does not impose any limitation on the specific structure of the driving mechanism. For example, those skilled in the art may configure the driving mechanism to be a driving motor + driving shaft structure, or a driving motor + gear + rack structure, etc. Such adjustments and changes to the specific structure of the driving mechanism do not deviate from the basic principles of the present invention and should be limited within the scope of protection of the present invention.

[0048] Preferably, if Figure 1 and Figure 2 As shown, the driving mechanism of the present invention includes a rotation driving component 31 and a transmission shaft 32. The rotation driving component 31 is fixedly connected to the first mounting base 35. The transmission shaft 32 is vertically arranged. The top end of the transmission shaft 32 is fixedly connected to the rotation driving component 31. The bottom end of the transmission shaft 32 is connected to the cover opening bit 34. The rotation driving component 31 can drive the transmission shaft 32 to rotate to drive the cover opening bit 34 to rotate. The cover opening bit 34 is provided with a through hole extending in the vertical direction. The bottom end of the transmission shaft 32 is inserted into the through hole. The cover opening bit 34 can move along the length direction of the transmission shaft 32.

[0049] For example, Figure 1 and Figure 2 As shown, the rotary drive member 31 of the present invention is fixedly connected to the first mounting base 35, the transmission shaft 32 is vertically arranged at the bottom end of the rotary drive member 31, and the cover opening bit 34 is provided with a through hole extending in the vertical direction, and the bottom end of the transmission shaft 32 passes through the through hole. Through such a design, while the rotary drive member 31 drives the transmission shaft 32 to rotate and drive the cover opening bit 34 to rotate, the cover opening bit 34 can also move up and down relative to the transmission shaft 32.

[0050] It should be noted that the rotary drive component 31 of the present invention is a DC reduction motor, which can control the maximum speed of the motor, thereby preventing the rotary drive component 31 from driving the transmission shaft 32 to rotate too much, causing the tube cover of the cryopreservation tube to deform.

[0051] Preferably, if Figure 1 and Figure 2 As shown, a plurality of cover-opening screwdriver bits 34 are horizontally arranged on the first mounting base 35 of the present invention and are spaced apart from each other. The number of the rotation driving members 31 and the transmission shaft 32 is also plural and corresponds one to one with the plurality of cover-opening screwdriver bits 34 .

[0052] For example, Figure 1 and Figure 2 As shown, the number of the decapping screwdriver bits 34 of the present invention is 12, and correspondingly, the number of the rotating drive components 31 and the transmission shaft 32 is also 12. The decapping screwdriver bits 34 are coaxially arranged with the transmission shaft 32, so that the decapping or decapping operations of 12 cryogenic tubes can be completed at one time, thereby improving efficiency.

[0053] It should be noted that the present invention does not impose any limitation on the number of the decapping screwdriver bits 34. For example, those skilled in the art may also set the number of the decapping screwdriver bits 34 to 8 or 10, etc. Such adjustments and changes to the specific number of the decapping screwdriver bits 34 do not deviate from the basic principles of the present invention and should be limited within the scope of protection of the present invention.

[0054] Preferably, if Figure 1 and Figure 2 As shown, two adjacent rotation drive components 31 of the present invention are staggered in the vertical direction.

[0055] For example, Figure 1 and Figure 2 As shown, there are 12 rotating drive components 31 of the present invention, which are staggered in two rows, 6 in the upper row and 6 in the lower row. The length of the upper transmission shaft 32 is longer than that of the lower transmission shaft 32, and the bottom ends of the 12 transmission shafts 32 are flush. This design has a reasonable spatial layout and saves space for the cover opening equipment.

[0056] It should be noted that the present invention does not impose any limitation on the structural form of the second lifting mechanism 33. For example, those skilled in the art may configure the second driving mechanism to be in the form of a driving motor + gear + rack, or in the form of a driving motor + screw + nut 33222, etc. Such adjustments and changes to the specific structural form of the second lifting mechanism 33 do not deviate from the basic principles of the present invention and should be limited within the protection scope of the present invention.

[0057] Preferably, if Figure 1 and Figure 2 As shown, the second lifting mechanism 33 of the present invention includes a second lifting drive component 331, a transmission assembly 332 and a second mounting base 333. The second lifting drive component 331 is fixedly connected to the first mounting base 35. The second lifting drive component 331 is connected to the second mounting base 333 through the transmission assembly 332 to drive the second mounting base 333 to move in a vertical direction. The opening screwdriver bit 34 is installed on the second mounting base 333.

[0058] For example, Figure 1 and Figure 2 As shown, the second lifting drive component 331 of the present invention is arranged in the vertical direction, the second lifting drive component 331 is fixedly connected to the first mounting base 35 and is located at the upper part of the first mounting base 35, the transmission assembly 332 is fixedly connected to the second mounting base 333 and is located above the second mounting base 333, the decapping screwdriver 34 is installed on the second mounting base 333 and can rotate relative to the second mounting base 333, the second lifting drive component 331 drives the second mounting base 333 to move in the vertical direction through the transmission assembly 332, so that after the opening device 3 completes the closing operation, the second lifting drive component 331 can drive the decapping screwdriver 34 to move vertically upward, so that the bottom end of the driving mechanism is pressed against the tube cover of the cryopreservation tube, so that the decapping screwdriver 34 is smoothly separated from the tube cover.

[0059] It should be noted that the present invention does not impose any limitation on the structural form of the transmission component 332. For example, those skilled in the art may configure the transmission component 332 in the form of a gear + rack, or in the form of a lead screw + nut, etc. Such adjustments and changes to the specific structural form of the transmission component 332 do not deviate from the basic principles of the present invention and should be limited within the scope of protection of the present invention.

[0060] Preferably, if Figure 1 and Figure 2As shown, the transmission assembly 332 of the present invention includes a vertically arranged second lead screw 3321, a lifting member 3322 threadedly matched with the second lead screw 3321, and a guide column 3323 arranged on the lifting member 3322. A guide hole 3531 adapted to the guide column 3323 is provided on the first mounting base 35. The guide column 3323 is vertically arranged, and the bottom end of the guide column 3323 passes through the guide hole 3531 and is connected to the second mounting base 333. The second lifting drive member 331 is connected to the second lead screw 3321 and can drive the second lead screw 3321 to rotate. The lifting member 3322 can move along the length direction of the second lead screw 3321 as the second lead screw 3321 rotates, so as to drive the guide column 3323, the second mounting base 333 and the opening screw head 34 to move in the vertical direction.

[0061] For example, Figure 1 and Figure 2 As shown, the second lead screw 3321 of the present invention is arranged at the bottom end of the second lifting drive component 331 in the vertical direction, and the guide column 3323 is arranged at the bottom of the lifting component 3322. The guide column 3323 cooperates with the guide hole 3531, so that the transmission assembly 332 can be guided when moving up and down, and the lifting component 3322 is threadedly cooperated with the second lead screw 3321, so that the second lifting drive component 331 can drive the second lead screw 3321 to rotate, and the lifting component 3322 can move along the length direction of the second lead screw 3321 as the second lead screw 3321 rotates, thereby driving the guide column 3323, the second mounting base 333 and the opener bit 34 to move in the vertical direction.

[0062] Preferably, if Figure 1 and Figure 2 As shown, the first mounting base 35 of the present invention includes a vertical fixing plate 351 connected to the first lifting mechanism 2, and a horizontal fixing plate 352 and a fixing block 353 arranged on the vertical fixing plate 351, the horizontal fixing plate 352 is located above the fixing block 353, the second lifting drive member 331 is installed on the horizontal fixing plate 352, the lifting member 3322 is located between the horizontal fixing plate 352 and the fixing block 353, the guide hole 3531 is provided on the fixing block 353, and the rotation drive member 31 is installed on the fixing block 353.

[0063] For example, Figure 1 and Figure 2 As shown, the vertical fixing plate 351 of the present invention is installed on the first lifting mechanism 2 in the vertical direction, the horizontal fixing plate 352 is located on the upper part of the vertical fixing plate 351, the fixing block 353 is rectangular and is located below the second lifting drive member 331, the guide column 3323 passes through the guide hole 3531 on the fixing block 353, and the rotating drive member 31 is installed on the fixing block 353.

[0064] Preferably, if Figure 1 and Figure 2 As shown, the lifting component 3322 of the present invention includes a horizontally arranged lifting plate 33221 and a nut 33222 installed on the lifting plate 33221 , the nut 33222 is sleeved on the second lead screw 3321 , and the top end of the guide column 3323 is connected to the lifting plate 33221 .

[0065] For example, Figure 1 and Figure 2 As shown, the lifting plate 33221 of the present invention is located below the second lead screw 3321, a nut 33222 is provided in the middle position of the lifting plate 33221, the top of the guide column 3323 is connected to the lifting plate 33221, and the second lifting drive member 331 drives the second lead screw 3321 to rotate, so that the nut 33222 moves up and down along the second lead screw 3321 to drive the guide column 3323, the second mounting base 333 and the opening screw head 34 to move in the vertical direction, and the guide column 3323 can be guided in the guide hole 3531.

[0066] It should be noted that the present invention does not impose any limitation on the number of guide posts 3323. For example, a person skilled in the art may set the guide posts 3323 to 2 or 3, etc., which are spaced apart. Such adjustment and change to the specific number of guide posts 3323 does not deviate from the basic principle of the present invention and shall be limited within the scope of protection of the present invention.

[0067] Preferably, if Figure 1 and Figure 2 As shown, the number of the guide posts 3323 of the present invention is at least two and they are spaced apart in the horizontal direction.

[0068] For example, Figure 1 and Figure 2 As shown, the number of the guide posts 3323 of the present invention is two, and the two guide posts 3323 are spaced apart in the horizontal direction. By providing two guide posts 3323, the structure of the connection assembly is more stable.

[0069] Preferably, if Figure 1 and Figure 2 As shown, the cover opening device of the present invention also includes a second position sensing device, which includes a matching second fixed sensing component 51 and a second movable sensing component 52. The second fixed sensing component 51 is installed on the first installation base 35, and the second movable sensing component 52 is installed on the lifting component 3322.

[0070] For example, Figure 1 and Figure 2As shown, the vertical fixed plate 351 of the present invention is provided with two second fixed sensing components 51 spaced apart in the vertical direction, and the lifting plate 33221 is provided with a second movable sensing component 52. When the lifting plate 33221 moves up and down relative to the vertical fixed plate 351, when the lifting plate 33221 moves to the top end, the second movable sensing component 52 is located in the upper second fixed sensing component 51, and when the lifting plate 33221 moves to the bottom end, the second movable sensing component 52 is located in the lower second fixed sensing component 51, so that the position information of the lifting plate 33221 can be detected, and then it is determined whether the opening screwdriver head 34 is reset.

[0071] Preferably, if Figures 2 to 4 As shown, the open-cover screwdriver bit 34 of the present invention includes a screwdriver bit 342, a sleeve 341 and an elastic member 343. The sleeve 341 is vertically arranged, the screwdriver bit 342 is connected to the bottom end of the sleeve 341, a through hole is arranged on the screwdriver bit 342 and connected to the sleeve 341, a mounting hole 3331 is arranged on the second mounting base 333, the bottom end of the sleeve 341 penetrates into the mounting hole 3331, the screwdriver bit 342 is located below the mounting hole 3331, the elastic member 343 is sleeved on the screwdriver bit 342, the bottom end and the top end of the elastic member 343 respectively abut against the screwdriver bit 342 end of the screwdriver bit 342 and the bottom wall of the second mounting base 333, a limiting structure 3411 is provided on the outer wall of the sleeve 341, the limiting structure 3411 is located above the mounting hole 3331, and the limiting structure 3411 is arranged to prevent the sleeve 341 from moving downward through the mounting hole 3331.

[0072] For example, Figures 2 to 4 As shown, the bottom end of the sleeve 341 of the present invention is inserted into the mounting hole 3331, the top of the screwdriver bit 342 is connected to the bottom end of the sleeve 341 by plugging, the through hole of the sleeve 341 is D-shaped, the through hole of the screwdriver bit 342 is circular, the upper part and the lower part of the transmission shaft 32 are respectively located in the sleeve 341 and the screwdriver bit 342, and a circle of limiting structure 3411 is provided on the outer wall of the sleeve 341, and the limiting structure 3411 can prevent the sleeve 341 from moving downward through the mounting hole 3331, and the elastic member 343 The top end of the elastic member 343 is sleeved on the screwdriver bit 342, and abuts against the bottom wall of the second mounting base 333, and the bottom end of the elastic member 343 is abutted against the screwdriver bit 342 end of the screwdriver bit 342, so that the sleeve 341 and the screwdriver bit 342 can move upward relative to the second mounting base 333, so that when the screwdriver bit 342 is inserted into the pipe cover, by squeezing the elastic member 343, the screwdriver bit 342 can have a certain expansion and contraction space, so that the screwdriver bit 342 can be more easily inserted into the groove of the pipe cover.

[0073] It should be noted that the present invention does not impose any restrictions on the type of the elastic component 343. For example, those skilled in the art may set the elastic component 343 to be a spring or an inflatable component, etc. Such adjustments and changes to the specific type of the elastic component 343 do not deviate from the basic principles of the present invention and should be limited within the scope of protection of the present invention.

[0074] Preferably, if Figure 1 and Figure 2 As shown, the cover opening device of the present invention further comprises a detection device 6, which is mounted on the second mounting base 333, and the detection device 6 is configured to detect whether the cryogenic tube is successfully opened after the cover opening device 3 performs the cover opening operation.

[0075] For example, Figure 1 and Figure 2 As shown, the detection device 6 of the present invention is installed at both ends of the second installation base 333, and the first lifting mechanism 2 drives the lid opening device 3 and the detection device 6 to move downward. When the detection device 6 descends to the tube cover position of the cryopreservation tube, the tube cover can be detected in the area covered by the detection device 6, and the height at this time is recorded as the detection height; the first lifting mechanism 2 continues to drive the lid opening device 3 and the detection device 6 to move downward until the lid opening device 3 reaches the lid opening position, and the lid opening device 3 opens the tube covers of the cryopreservation tubes in batches. After the lid opening is completed, the first lifting mechanism 2 drives the lid opening device 3, the detection device 6 and the lid opening device 3 again. The opened tube caps move upward, and the detection device 6 performs another detection when it reaches the detection height during the return process, so as to detect whether all the cryogenic tubes have been successfully opened. If the detection device 6 recognizes the existence of tube caps, it means that all the cryogenic tubes have not been successfully opened, and the opening device 3 can be controlled to perform an opening operation again, or the equipment can be alarmed to manually open the remaining unopened cryogenic tubes to ensure that all the cryogenic tubes can be opened. If the detection device 6 does not recognize the existence of tube caps, it means that all the cryogenic tubes have been successfully opened, and the opened cryogenic tubes can continue to be transferred and used.

[0076] It should be noted that the present invention does not impose any limitation on the specific structure of the detection device 6, as long as the detection device 6 can successfully detect whether all the cryotubes have been successfully opened after the opening device 3 completes the opening, in actual applications, those skilled in the art can set the specific structure of the detection device 6 according to actual needs.

[0077] Preferably, if Figure 1 and Figure 2As shown, the first lifting mechanism 2 of the present invention includes a first lifting drive component 21, a first lead screw 22 and a slider 23. The first lifting drive component 21 is installed on the fixing device 1. The first lead screw 22 is vertically arranged and rotatably installed on the fixing device 1. The slider 23 is fixedly connected to the first mounting base 35. The slider 23 is installed on the first lead screw 22. The first lifting drive component 21 is connected to the first lead screw 22 and can drive the first lead screw 22 to rotate. The slider 23 can move along the length direction of the first lead screw 22 as the first lead screw 22 rotates.

[0078] For example, Figure 1 and Figure 2 As shown, the lead screw of the present invention is arranged in the vertical direction, the first lifting drive component 21 is located above the first lead screw 22, the slider 23 is installed on the first lead screw 22, the slider 23 is fixedly connected to the vertical fixed plate 351, and the first lifting drive component 21 can drive the first lead screw 22 to rotate, thereby driving the slider 23 and the cover opening device 3 to move.

[0079] It should be noted that the first lifting driving component 21 of the present invention is a stepping motor with a braking function.

[0080] Preferably, if Figure 1 and Figure 2 As shown, the cover opening device of the present invention also includes a first position sensing device, which includes a matching first fixed sensing component 41 and a first movable sensing component 42. The first fixed sensing component 41 is installed on the fixing device 1, and the first movable sensing component 42 is installed on the first installation base 35.

[0081] For example, Figure 1 and Figure 2 As shown, a first fixed sensing component 41 is provided on the fixing device 1 of the present invention, and a first movable sensing component 42 is provided on the vertical fixing plate 351. When the cover opening device 3 moves to the top relative to the fixing device 1, the first movable sensing component 42 is located in the first fixed sensing component 41. The first fixed sensing component 41 can detect the position information of the first movable sensing component 42, so as to determine whether the cover opening device 3 is reset when the cover opening device 3 moves up and down.

[0082] The opening and closing process of the cap opening device of the cryopreservation tube of the present invention is as follows:

[0083] Initial state: the cover opening device 3 is at the top, the first fixed sensing component 41 can detect the first moving sensing component 42, at this time, the first lifting drive component 21 starts the braking function and maintains this position state, the lifting plate 33221 is at the top position, and the second fixed sensing component 51 located below can detect the second moving sensing component 52, and the transmission shaft 32 is hidden inside the screwdriver bit 342.

[0084] Opening the cover: The first lifting drive member 21 is started to drive the cover device to move downward. The detection device 6 detects the upper edge of the tube cover of the cryopreservation tube, and takes this as the base point to continue to descend a set distance. During this process, the tube cover will press the bottom end of the screwdriver bit 342 upward, thereby compressing the elastic member 343. The elastic force of the elastic member 343 to restore its shape acts on the screwdriver bit 342, so that the screwdriver bit 342 is inserted into the groove of the tube cover. When the opening cover device 3 descends to the lowest position, the rotation drive member 31 is started, and the output shaft rotates counterclockwise, driving the sleeve 341 through the transmission shaft 32 The screwdriver bit 342 rotates with the tube cover in the reverse direction to open the cover. At the same time, the first lifting drive component 21 moves in the reverse direction to drive the cover opening device 3 to rise. The screwdriver bit 342 is designed according to the shape of the tube cover and has an interference fit. The screwdriver bit 342 rotates in the reverse direction to rise with the tube cover. After the tube cover is separated from the cryopreservation tube, the rotating drive component 31 stops moving, the first lifting drive component 21 continues moving, and the cover opening device 3 continues to rise. When the first fixed sensing component 41 detects the first moving sensing component 42, the first lifting drive component 21 stops moving, thereby completing the cover opening process of the cryopreservation tube.

[0085] Closing the cover: The first lifting drive component 21 is started, the cover opening device 3 moves downward, the detection device 6 detects the upper edge of the cryopreservation tube, and takes this as the base point to continue to descend the set distance, the rotation drive component 31 is started, the output shaft rotates clockwise, and the sleeve 341 and the screwdriver 342 are driven to rotate through the transmission shaft 32, so that the tube cover rotates forward to close the cover, and the screwdriver 342 rotates and descends with the tube cover. When it reaches the set position, the first lifting drive component 21 and the rotation drive component 31 stop moving, the second lifting drive component 331 is started, and the second lifting drive component 331 is started. The lowering drive component 331 drives the second lead screw 3321 to rotate, thereby driving the nut 33222 to move linearly upward, driving the guide column 3323, the second mounting base 333 and the open-cover screwdriver bit 34 to move upward in the vertical direction. At this time, the transmission shaft 32 is stationary. As the open-cover screwdriver bit 34 rises, the end face of the transmission shaft 32 presses against the pipe cover. When the second fixed sensing component 51 located above detects the second moving sensing component 52, the second lifting drive component 331 stops. At this time, the pipe cover and the screwdriver bit 342 are completely separated.

[0086] After the tube cover and the batch head 342 are separated, the first lifting drive member 21 is started, and the cover opening device 3 moves upward. When the first fixed sensing member 41 detects the first moving sensing member 42, the first lifting drive member 21 stops. The second lifting drive member 331 is started, and the driving shaft of the second lifting drive member 331 rotates in the opposite direction, thereby driving the second lead screw 3321 to rotate, and the nut 33222 moves linearly downward, driving the guide column 3323, the second mounting base 333 and the cover opening batch head 34 to descend. When the second fixed sensing member 51 located below detects the second moving sensing member 52, the second lifting drive member 331 stops, so that the cover opening device 3 of the cryopreservation tube is in the initial position. It can be understood by those skilled in the art that although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments means that it is within the scope of the present application and forms different embodiments. For example, in the claims of the present application, any one of the embodiments claimed for protection can be used in any combination.

[0087] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A device for opening the cover of a cryopreservation tube, characterized in that: It comprises a fixing device (1), a first lifting mechanism (2) installed on the fixing device (1), and a cover opening device (3) installed on the first lifting mechanism (2). The first lifting mechanism (2) is used to drive the cover opening device (3) to move in a vertical direction relative to the fixing device (1). The cover opening device (3) comprises a first mounting base (35) connected to the first lifting mechanism (2), and a driving mechanism, a second lifting mechanism (33) and a cover opening bit (34) mounted on the first mounting base (35). The decapping screwdriver (34) is mounted on the second lifting mechanism (33) and is rotatable relative to the second lifting mechanism (33); the driving mechanism is used to drive the decapping screwdriver (34) to rotate so as to perform a decapping operation or a decapping operation on the cryopreservation tube. The decapping screwdriver (34) can move in a vertical direction relative to the driving mechanism. After the decapping device (3) completes the decapping operation, the second lifting mechanism (33) can drive the decapping screwdriver (34) to move vertically upward, and the bottom end of the driving mechanism presses against the tube cover of the cryogenic tube to separate the decapping screwdriver (34) from the tube cover.

2. The cryotube opening device according to claim 1, characterized in that: The driving mechanism comprises a rotation driving component (31) and a transmission shaft (32); the rotation driving component (31) is fixedly connected to the first mounting base (35); the transmission shaft (32) is vertically arranged; the top end of the transmission shaft (32) is fixedly connected to the rotation driving component (31); the bottom end of the transmission shaft (32) is connected to the cover opening screwdriver bit (34); the rotation driving component (31) can drive the transmission shaft (32) to rotate so as to drive the cover opening screwdriver bit (34) to rotate; the cover opening screwdriver bit (34) is provided with a through hole extending in a vertical direction; the bottom end of the transmission shaft (32) penetrates into the through hole; the cover opening screwdriver bit (34) can move along the length direction of the transmission shaft (32).

3. The cryotube opening device according to claim 2, characterized in that: A plurality of cover-opening screwdriver bits (34) are arranged on the first mounting base (35) in a horizontal direction and are spaced apart from each other. The number of the rotary drive member (31) and the transmission shaft (32) is also plural and corresponds one to one with the plurality of cover-opening screwdriver bits (34).

4. The cryotube opening device according to claim 3, characterized in that: Two adjacent rotation driving components (31) are staggered in the vertical direction.

5. The cryotube opening device according to claim 2, characterized in that: The second lifting mechanism (33) comprises a second lifting drive component (331), a transmission assembly (332) and a second mounting base (333); the second lifting drive component (331) is fixedly connected to the first mounting base (35); the second lifting drive component (331) is connected to the second mounting base (333) through the transmission assembly (332) to drive the second mounting base (333) to move in a vertical direction; the cover opening screwdriver bit (342) (34) is mounted on the second mounting base (333).

6. The cryotube opening device according to claim 5, characterized in that: The transmission assembly (332) comprises a second lead screw (3321) arranged vertically, a lifting member (3322) threadedly matched with the second lead screw (3321), and a guide column (3323) arranged on the lifting member (3322); a guide hole (3531) matched with the guide column (3323) is arranged on the first mounting base (35); the guide column (3323) is arranged vertically, and the bottom end of the guide column (3323) passes through the guide hole (35 The second lifting drive member (331) is connected to the second mounting base (333), the second lifting drive member (331) is connected to the second lead screw (3321) and can drive the second lead screw (3321) to rotate, and the lifting member (3322) can move along the length direction of the second lead screw (3321) as the second lead screw (3321) rotates, so as to drive the guide column (3323), the second mounting base (333) and the cover opening bit (34) to move in the vertical direction.

7. The cryotube opening device according to claim 6, characterized in that: The first mounting base (35) comprises a vertical fixing plate (351) connected to the first lifting mechanism (2), and a horizontal fixing plate (352) and a fixing block (353) arranged on the vertical fixing plate (351), the horizontal fixing plate (352) is located above the fixing block (353), the second lifting drive member (331) is installed on the horizontal fixing plate (352), the lifting member (3322) is located between the horizontal fixing plate (352) and the fixing block (353), the guide hole (3531) is provided on the fixing block (353), and the rotation drive member (31) is installed on the fixing block (353); and / or The lifting member (3322) comprises a lifting plate (33221) arranged horizontally and a nut (33222) mounted on the lifting plate (33221), wherein the nut (33222) is sleeved on the second lead screw (3321), and the top end of the guide column (3323) is connected to the lifting plate (33221); and / or The number of the guide posts (3323) is at least two and they are spaced apart in the horizontal direction; and / or The cover opening device also includes a second position sensing device, which includes a matching second fixed sensing component (51) and a second movable sensing component (52), wherein the second fixed sensing component (51) is mounted on the first mounting base (35), and the second movable sensing component (52) is mounted on the lifting component (3322).

8. The cryotube opening device according to claim 5, characterized in that: The open-cover screwdriver bit (34) comprises a screwdriver bit (342), a sleeve (341) and an elastic member (343); the sleeve (341) is vertically arranged; the screwdriver bit (342) is connected to the bottom end of the sleeve (341); the through hole is arranged on the screwdriver bit (342) and connected to the sleeve (341); a mounting hole (3331) is arranged on the second mounting base (333); the bottom end of the sleeve (341) penetrates into the mounting hole (3331); the screwdriver bit (342) is located below the mounting hole (3331); The elastic member (343) is sleeved on the screwdriver bit (342), the bottom end and the top end of the elastic member (343) respectively abut against the screwdriver bit (342) end of the screwdriver bit (342) and the bottom wall of the second mounting base (333), a limiting structure (3411) is provided on the outer wall of the sleeve (341), the limiting structure (3411) is located above the mounting hole (3331), and the limiting structure (3411) is configured to prevent the sleeve (341) from moving downward through the mounting hole (3331); and / or The cover opening device further comprises a detection device (6), wherein the detection device (6) is mounted on the second mounting base (333), and the detection device (6) is configured to detect whether the cryogenic tube is successfully opened after the cover opening device (3) completes the cover opening operation.

9. The cryotube opening device according to claim 1, characterized in that: The first lifting mechanism (2) comprises a first lifting drive component (21), a first lead screw (22) and a slider (23); the first lifting drive component (21) is mounted on the fixing device (1); the first lead screw (22) is vertically arranged and rotatably mounted on the fixing device (1); the slider (23) is fixedly connected to the first mounting base (35); the slider (23) is mounted on the first lead screw (22); the first lifting drive component (21) is connected to the first lead screw (22) and can drive the first lead screw (22) to rotate; the slider (23) can move along the length direction of the first lead screw (22) as the first lead screw (22) rotates.

10. The device for opening the cover of a cryotube according to any one of claims 1 to 9, characterized in that: The cover opening device further comprises a first position sensing device, the first position sensing device comprising a matching first fixed sensing component (41) and a first movable sensing component (42), the first fixed sensing component (41) being mounted on the fixed device (1), and the first movable sensing component (42) being mounted on the first mounting base (35).

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