Automatic cap screwing work station compatible with various tube types for cryopreservation tube

Abstract

The utility model discloses an automatic cap screwing work station compatible with various tube types for a cryopreservation tube. Comprising a bottom plate, a test tube rack placing mechanism arranged on the bottom plate, a supporting mechanism arranged on the bottom plate, a power control mechanism arranged on the supporting mechanism, a first moving plate connected with the power control mechanism, a second moving plate connected with the power control mechanism, a supporting plate arranged below the second moving plate, and a second moving plate arranged below the first moving plate, a plurality of inner screw rod mechanisms are arranged on the second moving plate, the rotating head is arranged below the supporting plate and connected with the inner screw rod mechanisms, the test tube rack placing mechanism is installed on the bottom plate, the power control mechanism is installed on the supporting mechanism, the first moving plate and the second moving plate are connected with the power control mechanism, and the inner screw rod mechanisms are connected with the first moving plate and the second moving plate; the cover opening, cover removing, cover grabbing and cover closing operations of the test tubes on the test tube rack can be well completed, the test tube covers with the operation size difference being 1 mm or above are operated, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of SBS cryopreservation tube processing, in particular to an automatic capping workstation for cryopreservation tubes that is compatible with various tube types. Background Art

[0002] The SBS cryotube capping machine is an automated or semi-automated device specifically designed to efficiently and accurately tighten or loosen the caps of SBS cryotubes (such as blood sample tubes, urine sample tubes, DNA sample tubes, etc.). It uses a robotic arm or rotating mechanism, combined with a precise control system, to automatically complete the grabbing, positioning, capping, and releasing of test tubes, greatly improving the efficiency and accuracy of sample processing processes in laboratories, hospitals, biotechnology companies, pharmaceutical companies, and other places.

[0003] During the experimental operation, there are many SBS cryopreservation tubes. The traditional manual method of opening and closing the caps is a huge workload. At the same time, manual operation also has the risk of loose capping, damage to the test tube, and spillage of the liquid in the test tube. In addition, the existing rotary head can only be used for test tubes of a certain diameter, which has relatively high size requirements.

[0004] In view of the above situation, it is necessary to improve the existing automatic capping mechanism so that it can adapt to the current needs of using the capping of SBS cryopreservation tubes. Utility Model Content

[0005] The technical solution of the present invention to achieve the above-mentioned purpose is to provide an automatic capping workstation for cryopreservation tubes that is compatible with various tube types, including a base plate, a test tube rack placement mechanism arranged on the base plate, a support mechanism arranged on the base plate, a power control mechanism arranged on the support mechanism, a first movable plate connected to the power control mechanism, a second movable plate connected to the power control mechanism, a fixed plate arranged below the second movable plate, a plurality of internal screw mechanisms arranged on the first movable plate and the second movable plate, and a rotating head arranged below the fixed plate and connected to the internal screw mechanism, the test tube rack placement mechanism is installed on the base plate, one end of the support mechanism is fixedly installed on the base plate, the power control mechanism is installed on the support mechanism, the first movable plate and the second movable plate are connected to the power control mechanism, and the internal screw mechanism is connected to the first movable plate and the second movable plate.

[0006] As a further supplement to the present technical solution, the test tube rack placement mechanism includes a longitudinal moving mechanism and a placement plate connected to the longitudinal moving mechanism, and the longitudinal moving mechanism is fixedly mounted on the bottom plate.

[0007] Further supplement to the technical solution, the support mechanism includes a plurality of first mounting bearings arranged on the bottom plate, a support shaft arranged on the first mounting bearing, a support plate arranged on the support shaft, and a second mounting bearing arranged on the support plate and the support shaft, the first mounting bearing is fixedly installed on the bottom plate, the support shaft is installed on the first mounting bearing, and the support plate is fixedly installed on the top of the support shaft.

[0008] Further supplement to the technical solution, the power control mechanism includes a motor, a driving gear connected with the motor, a plurality of driven gears arranged on the fixed plate, and an outer screw rod mechanism connected with the driven gears, the driving gear and the driven gears are connected through a chain, and the motor is fixedly installed on the support plate.

[0009] Further supplement to the technical solution, the outer screw rod mechanism includes an outer screw rod and an outer nut connected with the outer screw rod, one end of the outer screw rod is connected with the driven gear, and the outer nut is installed on the first moving plate and the second moving plate.

[0010] Further supplement to the technical solution, the inner screw rod mechanism includes an inner screw rod and an inner nut connected with the inner screw rod, the inner nut is fixedly installed on the first moving plate and the second moving plate, and the inner screw rod penetrates the upper and lower surfaces of the first moving plate, the second moving plate and the fixed plate.

[0011] Further supplement to the technical solution, the top of the rotating head is hollow, the inner screw rod is connected with the rotating head and can control the rotation of the rotating head, and the bottom of the rotating head is conical.

[0012] Further supplement to the technical solution, a plurality of accommodation grooves are arranged in the circumferential direction of the bottom of the rotating head.

[0013] Further supplement to the technical solution, the number of the inner screw rod mechanisms is the same as the number of the test tube grooves on the test tube rack.

[0014] The beneficial effects are that the test tube cover on the test tube rack can be well opened, removed, grabbed and closed, each rotating head corresponds to an inner screw rod mechanism, and the number of the inner screw rod mechanisms is the same as the number of the test tube grooves on the test tube rack, the operation is more precise, and the use effect is good; and the rotating head is designed, which can operate test tube covers with a size difference of more than 1mm, and the application range is wider. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the first angle overall structure schematic view of the utility model;

[0016] Figure 2 is the second angle overall structure schematic view of the utility model;

[0017] Figure 3It is a cross-sectional view of the utility model;

[0018] Figure 4-14 It is a structural diagram of the rotating head of the utility model;

[0019] In the figure, 1. base plate; 2. test tube rack placement mechanism; 21. longitudinal moving mechanism; 22. placement plate; 3. support mechanism; 31. first mounting bearing; 32. support shaft; 33. support plate; 34. second mounting bearing; 4. power control mechanism; 41. motor; 42. driving gear; 43. driven gear; 44. external screw mechanism; 5. first moving plate; 6. second moving plate; 7. fixed plate; 8. internal screw mechanism; 81. internal screw; 82. internal nut; 9. rotating head; 91. clearance groove. DETAILED DESCRIPTION

[0020] In order to make the technical solution more clear to those skilled in the art, Figure 1-14 The technical solution of the utility model is described in detail:

[0021] A cryopreservation tube automatic capping workstation compatible with various tube types includes a base plate 1, a test tube rack placement mechanism 2 arranged on the base plate 1, a support mechanism 3 arranged on the base plate 1, a power control mechanism 4 arranged on the support mechanism 3, a first movable plate 5 connected to the power control mechanism 4, a second movable plate 6 connected to the power control mechanism 4, a fixed plate 7 arranged below the second movable plate 6, a plurality of internal screw mechanisms 8 arranged on the first movable plate 5 and the second movable plate 6, and a rotating head 9 arranged below the fixed plate 7 and connected to the internal screw mechanism 81. The test tube rack placement mechanism 2 is installed on the base plate 1, one end of the support mechanism 3 is fixedly installed on the base plate 1, and the power control mechanism 4 is connected to the power control mechanism 4. The mechanism 4 is installed on the supporting mechanism 3, the first movable plate 5 and the second movable plate 6 are connected to the power control mechanism 4, and the inner screw rod 81 mechanism 8 is connected to the first movable plate 5 and the second movable plate 6; the bottom plate 1 can support the test tube rack placement mechanism 2, and the test tube rack placement mechanism 2 is used to place the test tube rack, so that the rotating head 9 can open, remove, grab and close the test tubes on the test tube rack; the supporting mechanism 3 can support the power control mechanism 4, and the power control mechanism 4 can rotate the head 9 to complete the opening, removing, grabbing and closing operations on the test tubes, and the inner screw rod mechanism 8 can further assist the rotating head 9 to better complete the opening, removing, grabbing and closing operations.

[0022] The structure of the test tube rack placing mechanism 2 will be described in detail below. The test tube rack placing mechanism 2 comprises a longitudinal moving mechanism 21 fixedly installed on the bottom plate 1, and a placing plate 22 connected with the longitudinal moving mechanism 21, the placing plate 22 being convenient for placing the test tube rack, and the longitudinal moving mechanism 21 being capable of adjusting the position of the placing plate 22, so as to facilitate the rotating head 9 to better perform the operations of opening, removing, grabbing and closing the test tube cover.

[0023] The structure of the support mechanism 3 will be described in detail below. The support mechanism 3 comprises a plurality of first mounting bearings 31 arranged on the bottom plate 1, a support shaft 32 arranged on the first mounting bearing 31, a support plate 33 arranged on the support shaft 32, and a second mounting bearing 34 arranged on the support plate 33 and the support shaft 32, the first mounting bearing 31 being fixedly installed on the bottom plate 1, the support shaft 32 being installed on the first mounting bearing 31, and the support plate 33 being fixedly installed on the top of the support shaft 32, and the power control mechanism 4 being installed on the support plate 33, so as to support the power control mechanism 4.

[0024] The structure of the power control mechanism 4 will be described in detail below. The power control mechanism 4 comprises a motor 41, a driving gear 42 connected with the motor 41, a plurality of driven gears 43 arranged on the fixed plate 7, and an outer screw rod mechanism 44 connected with the driven gears 43, the driving gear 42 and the driven gears 43 being connected through a chain, and the motor 41 being fixedly installed on the support plate 33; the motor 41 is capable of controlling the rotation of the driving gear 42, the rotation of the driving gear 42 is capable of driving the rotation of the driven gears 43 through the chain, the rotation of the driven gears 43 is capable of controlling the working of the outer screw rod mechanism 44, the working of the outer screw rod mechanism 44 is capable of controlling the working of the inner screw rod mechanism 8, and further driving the working of the rotating head 9, so as to complete the operations of opening, removing, grabbing and closing the test tube cover.

[0025] The structure of the outer screw rod mechanism 44 will be described in detail below. The outer screw rod mechanism 44 comprises an outer screw rod and an outer nut connected with the outer screw rod, one end of the outer screw rod being connected with the driven gear 43, and the outer nut being installed on the first moving plate 5 and the second moving plate 6; the rotation of the driven gear 43 is capable of driving the rotation of the outer screw rod, and further realizing the axial movement of the first moving plate 5 and the second moving plate 6 through the outer nut.

[0026] The structure of the inner screw mechanism 8 will be explained in detail below. The inner screw mechanism 8 includes an inner screw 81 and an inner nut 82 connected to the inner screw 81. The inner nut 82 is fixedly mounted on the first movable plate 5 and the second movable plate 6. The inner screw 81 passes through the upper and lower surfaces of the first movable plate 5, the second movable plate 6 and the fixed plate 7. The axial movement of the first movable plate 5 can drive the axial movement of the inner nut 82, and then drive the inner screw 81 to rotate, thereby realizing control of the rotating head 9, making it easier for the rotating head 9 to better open, remove, grab and close the test tube; wherein, the number of the inner screw mechanisms 8 is the same as the number of test tube slots on the test tube rack.

[0027] In which, the top of the rotating head is hollow and the inner screw is connected to it and can control its rotation, and the bottom of the rotating head 9 is conical; the rotating head 9 includes an inner rod and an outer shell, the inner rod is connected to the inner screw, and the inner rod does not contact the outer shell; the inner rod and the bottom of the outer shell are both conical, and when working, the inner screw 81 controls the inner rod to pass through the rotating head 9 to open the rotating head 9, and its adjustment size is controlled according to the depth of the cone; this technical solution can achieve compatibility with test tubes with a tube cap size difference of more than 1mm; when the inner rod is adjusted to the bottom of the outer shell and contacts it, the rotation of the inner rod can drive the outer shell to rotate through friction, thereby realizing the opening, removal, grabbing and closing operations of the cover; wherein, a plurality of makeshift grooves 91 are opened in the circumferential direction of the inner rod and the outer shell, which is convenient for better opening the outer shell and completing the opening, removal, grabbing and closing operations of the test tube cover.

[0028] The above technical solutions only reflect the preferred technical solutions of the present utility model. Any changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present utility model and fall within the scope of protection of the present utility model.

Claims

1. An automatic capping workstation for cryopreservation tubes compatible with various tube types, characterized in that: The invention comprises a base plate (1), a test tube rack placement mechanism (2) arranged on the base plate (1), a support mechanism (3) arranged on the base plate (1), a power control mechanism (4) arranged on the support mechanism (3), a first movable plate (5) connected to the power control mechanism (4), a second movable plate (6) connected to the power control mechanism (4), a fixed plate (7) arranged below the second movable plate (6), a plurality of internal screw mechanisms (8) arranged on the first movable plate (5) and the second movable plate (6), and a rotating head (9) arranged below the fixed plate (7) and connected to the internal screw mechanisms (8); the test tube rack placement mechanism (2) is mounted on the base plate (1), one end of the support mechanism (3) is fixedly mounted on the base plate (1), the power control mechanism (4) is mounted on the support mechanism (3), the first movable plate (5) and the second movable plate (6) are connected to the power control mechanism (4), and the internal screw mechanism (8) is connected to the first movable plate (5) and the second movable plate (6); The top of the rotating head (9) is hollow and the inner screw (81) is connected to it and can control its rotation, and the bottom of the rotating head (9) is conical; A plurality of clearance grooves (91) are provided in the circumferential direction of the bottom of the rotating head (9).

2. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 1, characterized in that: The test tube rack placement mechanism (2) comprises a longitudinal moving mechanism (21) and a placement plate (22) connected to the longitudinal moving mechanism (21); the longitudinal moving mechanism (21) is fixedly mounted on the base plate (1).

3. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 2, characterized in that: The support mechanism (3) comprises a plurality of first mounting bearings (31) arranged on the base plate (1), a support shaft (32) arranged on the first mounting bearings (31), a support plate (33) arranged on the support shaft (32), and a second mounting bearing (34) arranged on the support plate (33) and the support shaft (32); the first mounting bearings (31) are fixedly mounted on the base plate (1), the support shaft (32) is mounted on the first mounting bearings (31), and the support plate (33) is fixedly mounted on the top of the support shaft (32).

4. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 1, characterized in that: The power control mechanism (4) comprises a motor (41), a driving gear (42) connected to the motor (41), a plurality of driven gears (43) arranged on a support plate (33), and an external screw mechanism (44) connected to the driven gears (43); the driving gear (42) and the driven gears (43) are connected via a chain, and the motor (41) is fixedly mounted on the support plate (33).

5. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 4, characterized in that: The external screw mechanism (44) comprises an external screw and an external nut connected to the external screw. One end of the external screw is connected to the driven gear (43). The external nut is mounted on the first movable plate (5) and the second movable plate (6).

6. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 1, characterized in that: The inner screw mechanism (8) comprises an inner screw (81) and an inner nut (82) connected to the inner screw (81); the inner nut (82) is fixedly mounted on the first movable plate (5) and the second movable plate (6); and the inner screw (81) passes through the upper and lower surfaces of the first movable plate (5), the second movable plate (6), and the fixed plate (7).

7. The automatic capping workstation for cryopreservation tubes compatible with various tube types according to claim 1, characterized in that: The number of the inner screw mechanisms (8) is the same as the number of the test tube slots on the test tube rack.

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