Centrifuge tube cover tightening and falling device

By designing a centrifuge tube cap tightening and removal device and using a linear lifting module and a rotary module to drive the clamp and bottle cap clamping assembly, the problem of unstable clamping of the existing device is solved, and stable clamping and tightening of the centrifuge tube is achieved, which is suitable for the processing of centrifuge tubes of different sizes.

CN223422355UActive Publication Date: 2025-10-10LEDGER BIOTECHNOLOGY (CHANGSHU) CO LTD
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Patent Information

Application Number
CN202422865217.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-10
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

During operation, the existing bottle cap tightening device has poor clamping stability for the bottle to be processed, is easy to fall off, and has high difficulty in clamping operation.

Method used

A centrifuge tube cap tightening and removal device was designed, which included a working platform, a centrifuge tube fixture assembly and a bottle cap clamping assembly. The fixture and bottle cap clamping assembly were driven by a linear lifting module and a rotary module, and combined with a magnetic positioning block and a rubber pad to achieve stable clamping and tightening operations of the centrifuge tube and the tube cap.

Benefits of technology

The stability of the centrifuge tube before clamping is improved, which is convenient for subsequent operation. It is suitable for processing centrifuge tubes of different sizes and has strong versatility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a centrifugal tube cap tightening and falling device which comprises a working platform, a centrifugal tube jig assembly and a bottle cap clamping assembly. A centrifugal tube jig assembly is installed at the front end of the working platform, a platform vertical frame is installed on the working platform at the rear end of the centrifugal tube jig assembly, a linear lifting module is installed on the platform vertical frame, the linear lifting module drives a rotating module at the front end to move in the vertical direction, and the rotating module drives a bottle cap clamping assembly at the bottom to rotate. According to the centrifugal tube fixture, the centrifugal tube to be processed is firstly placed in the centrifugal tube fixture groove of the centrifugal tube, so that the stability of the centrifugal tube before being clamped is improved, and the subsequent clamping of the centrifugal tube is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field related to centrifuge tube processing, in particular to a device for tightening and removing a centrifuge tube cover. Background Art

[0002] Centrifuge tubes are widely used in the biological field and are used in many biological experiments, such as soil composition analysis experiments, immune cell and stem cell culture experiments, etc. Centrifuge tubes are tubular sample containers that can be equipped with a sealing cap or a pressure cap.

[0003] After extensive searching, it was discovered that the Chinese patent publication number is CN220788014U, which discloses an automatic tightening device for PET plastic bottle caps. It belongs to the technical field of tightening devices and comprises: a base, a chassis fixedly mounted on the right upper end of the base, a slide groove on both sides of the upper end of the base, a connecting plate slidably connected inside the slide groove, a limit assembly provided on the top of the connecting plate, a hydraulic cylinder fixedly connected to the rear side of the upper end of the base, a connecting block fixedly connected to the telescopic end of the hydraulic cylinder, a support block fixedly connected to the top of the connecting block, a first motor fixedly mounted on the side of the support block away from the connecting block, the output end of the first motor passing through the support block and fixedly connected to a tightening shaft, a tightening rotary head fixedly mounted on the bottom end of the tightening shaft, and a support frame fixedly mounted on the middle part of the upper end of the base. In this way, bottles of different sizes can be clamped, the stability of the clamping process is improved, and work efficiency is improved.

[0004] In summary, in the existing bottle cap tightening device, during operation, the bottle to be processed has poor stability before clamping and is easily dropped, and the subsequent clamping operation is difficult.

[0005] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a centrifuge tube cover tightening and falling device to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve any of the above technical problems, the purpose of the present invention is to provide a device for tightening and removing the centrifuge tube cover.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A centrifuge tube cap tightening and removing device, comprising a working platform, a centrifuge tube fixture assembly and a bottle cap clamping assembly;

[0009] A centrifuge tube fixture assembly is installed at the front end of the working platform, a platform stand is installed on the working platform at the rear end of the centrifuge tube fixture assembly, and a linear lifting module is installed on the platform stand. The linear lifting module drives the rotating module at the front end to move in the vertical direction, and the rotating module drives the bottle cap clamping assembly at the bottom to rotate;

[0010] The centrifuge tube fixture assembly includes a fixture base, a fixture stand is provided at the rear end of the fixture base, a centrifuge tube fixture is provided on the fixture base, a centrifuge tube fixture slot for placing the centrifuge tube is opened in the centrifuge tube fixture, a centrifuge tube clamping bidirectional cylinder is installed on the front top of the fixture stand, centrifuge tube clamping claws are installed on the left and right sides of the centrifuge tube clamping bidirectional cylinder, the centrifuge tube clamping bidirectional cylinder drives the two centrifuge tube clamps to move in the left and right directions, and the two centrifuge tube clamps are used to clamp the centrifuge tube;

[0011] The bottle cap clamping assembly includes a rotating connecting block connected to the rotating module above, a bottle cap clamping bidirectional cylinder is installed on the rotating connecting block, and bottle cap clamping claws are installed on the left and right sides of the bottle cap clamping bidirectional cylinder. The bottle cap clamping bidirectional cylinder drives the two bottle cap clamping claws to move in the left and right directions, and the two bottle cap clamping claws are used to clamp the tube cap.

[0012] As a further improvement of the present invention, guide rails distributed along the front-to-back direction are installed on the working platform below the clamp base, and the guide slider at the bottom of the clamp base is connected to the guide rail below.

[0013] As a further improvement of the present invention, platform handles are installed on both the left and right sides of the working platform, and a base handle is installed on the front end of the clamp base.

[0014] As a further improvement of the present invention, a front positioning block is installed in the middle of the rear end of the clamp stand, a rear positioning block is installed on the platform stand directly behind the front positioning block, and a positioning hole that is compatible with the above-mentioned front positioning block is opened on the inner side of the rear positioning block.

[0015] As a further improvement of the present invention, the front positioning block and the rear positioning block are magnets with opposite magnetic properties.

[0016] As a further improvement of the present invention, a limit lever is installed on the platform stand at one side of the rear of the clamp stand.

[0017] As a further improvement of the present invention, a conversion sleeve is installed in the centrifuge tube fixture groove, and an annular inner pad is installed on the inner side of the conversion sleeve.

[0018] As a further improvement of the present invention, the inner pad is a rubber pad.

[0019] By means of the above solution, the present invention has at least the following advantages:

[0020] The centrifuge tube to be processed is first placed in the centrifuge tube fixture groove of the centrifuge tube, which improves the stability of the centrifuge tube before clamping and facilitates the subsequent clamping of the centrifuge tube;

[0021] The utility model has a structure in which a conversion sleeve is installed in the centrifuge tube fixture groove. By replacing conversion sleeves of different sizes, the centrifuge tube fixture groove can be suitable for processing centrifuge tubes of different sizes, and has strong versatility.

[0022] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention with accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 This is a structural schematic diagram of a centrifuge tube cover tightening and shedding device of the utility model;

[0025] Figure 2 yes Figure 1 Schematic diagram of the structure of the centrifuge tube clamp assembly;

[0026] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle bottle cap fixture assembly;

[0027] Figure 4 yes Figure 2 Schematic diagram of the structure of the centrifuge tube fixture.

[0028] The meanings of the reference numerals in the figures are as follows.

[0029] Working platform 1, centrifuge tube fixture assembly 2, guide rail 3, platform handle 4, platform stand 5, linear lifting module 6, rotating module 7, bottle cap clamping assembly 8, rear positioning block 9, limit lever 10, fixture base 11, fixture stand 12, base handle 13, centrifuge tube fixture 14, centrifuge tube 15, tube cover 16, centrifuge tube clamping two-way cylinder 17, centrifuge tube clamping claw 18, rotating connecting block 19, bottle cap clamping two-way cylinder 20, bottle cap clamping claw 21, centrifuge tube fixture groove 22, conversion sleeve 23, inner pad 24. DETAILED DESCRIPTION

[0030] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0032] Example

[0033] like Figures 1 to 4 As shown,

[0034] A centrifuge tube cap tightening and removal device comprises a work platform 1, a centrifuge tube fixture assembly 2, and a bottle cap clamping assembly 8. The centrifuge tube fixture assembly 2 is mounted on the front end of the work platform 1. A platform stand 5 is mounted on the work platform 1 at the rear end of the centrifuge tube fixture assembly 2. A linear lift module 6 is mounted on the stand 5. The linear lift module 6 drives a rotary module 7 at the front end to move vertically, and the rotary module 7 drives the bottle cap clamping assembly 8 at the bottom to rotate. Platform handles 4 are mounted on both the left and right sides of the work platform 1.

[0035] 1. The centrifuge tube fixture assembly 2 includes a fixture base 11, and a base handle 13 is installed at the front end of the fixture base 11. Guide rails 3 distributed along the front-to-back direction are installed on the working platform 1 below the fixture base 11, and the guide slider at the bottom of the fixture base 11 is connected to the guide rail 3 below. A fixture stand 12 is provided at the rear end of the fixture base 11, and a centrifuge tube fixture 14 is provided on the fixture base 11. A centrifuge tube fixture slot 22 for placing a centrifuge tube 15 is provided in the centrifuge tube fixture 14. A centrifuge tube clamping bidirectional cylinder 17 is installed at the top front end of the fixture stand 12, and centrifuge tube clamping claws 18 are installed on the left and right sides of the centrifuge tube clamping bidirectional cylinder 17. The centrifuge tube clamping bidirectional cylinder 17 drives the two centrifuge tube clamps 18 to move in the left and right directions, and the two centrifuge tube clamps 18 are used to clamp the centrifuge tube 15.

[0036] A front locating block is mounted in the middle of the rear end of the fixture stand 12. A rear locating block 9 is mounted directly behind the front locating block on the platform stand 5. A locating hole is defined within the rear locating block 9, which mates with the front locating block. The front and rear locating blocks 9 are magnets with opposite magnetic properties. A limit lever 10 is mounted on the platform stand 5, on the rear side of the fixture stand 12.

[0037] The fixture stand 12 can be positioned by the front positioning block and the rear positioning block 9 , and the fixture stand 12 can be limited by the limiting lever 10 .

[0038] 2. The bottle cap clamping assembly 8 includes a rotating connecting block 19 connected to the upper rotating module 7. A bottle cap clamping bidirectional cylinder 20 is installed on the rotating connecting block 19. Bottle cap clamping claws 21 are installed on the left and right sides of the bottle cap clamping bidirectional cylinder 20. The bottle cap clamping bidirectional cylinder 20 drives the two bottle cap clamping claws 21 to move in the left and right directions. The two bottle cap clamping claws 21 are used to clamp the tube cap 16.

[0039] 3. A conversion sleeve 23 is installed within the centrifuge tube fixture slot 22, and an annular inner pad 24 is installed inside the conversion sleeve 23. This inner pad 24 is a rubber pad. By replacing conversion sleeves of different sizes, the centrifuge tube fixture slot can be adapted to process centrifuge tubes of different sizes, providing high versatility.

[0040] Brief description of the working process of this utility model:

[0041] The centrifuge tube 15 to be processed is placed in the centrifuge tube fixture groove 22 of the centrifuge tube fixture 14. At this time, the tube cover 16 has been installed or not installed on the centrifuge tube fixture 14, and the tube cover 16 on the centrifuge tube fixture 14 can be tightened and removed through this device.

[0042] Then, the centrifuge tube clamping bidirectional cylinder 17 drives the two centrifuge tube clamping claws 18 to move inward and clamp the centrifuge tube 15. The base handle 13 drives the clamp base 11 to move backward. After the front positioning block and the rear positioning block 9 are positioned, the linear lifting module 6 drives the bottle cap clamping assembly 8 to move downward. After moving into position, the bottle cap clamping bidirectional cylinder 20 drives the two bottle cap clamping claws 21 to clamp the tube cap 16. Then, driven by the rotating module 7, the tube cap 16 is tightened or removed.

[0043] After completing the above work, the centrifuge tube fixture assembly 2 and the bottle cap clamping assembly 8 are both reset.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0045] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A centrifuge tube cap tightening and removing device, comprising a working platform (1), a centrifuge tube fixture assembly (2) and a bottle cap clamping assembly (8); Its characteristics are: A centrifuge tube fixture assembly (2) is installed at the front end of the working platform (1), a platform stand (5) is installed on the working platform (1) at the rear end of the centrifuge tube fixture assembly (2), and a linear lifting module (6) is installed on the platform stand (5). The linear lifting module (6) drives the rotating module (7) at the front end to move in the vertical direction, and the rotating module (7) drives the bottle cap clamping assembly (8) at the bottom to rotate; The centrifuge tube fixture assembly (2) includes a fixture base (11), a fixture stand (12) is provided at the rear end of the fixture base (11), a centrifuge tube fixture (14) is provided on the fixture base (11), a centrifuge tube fixture slot (22) for placing a centrifuge tube (15) is provided in the centrifuge tube fixture (14), a centrifuge tube clamping bidirectional cylinder (17) is installed at the top of the front end of the fixture stand (12), centrifuge tube clamping claws (18) are installed on the left and right sides of the centrifuge tube clamping bidirectional cylinder (17), the centrifuge tube clamping bidirectional cylinder (17) drives two centrifuge tube clamping claws (18) to move in the left and right directions, and the two centrifuge tube clamping claws (18) are used to clamp the centrifuge tube (15); The bottle cap clamping assembly (8) includes a rotating connecting block (19) connected to the upper rotating module (7), a bottle cap clamping bidirectional cylinder (20) is installed on the rotating connecting block (19), and bottle cap clamping jaws (21) are installed on the left and right sides of the bottle cap clamping bidirectional cylinder (20). The bottle cap clamping bidirectional cylinder (20) drives the two bottle cap clamping jaws (21) to move in the left and right directions, and the two bottle cap clamping jaws (21) are used to clamp the tube cap (16).

2. A centrifuge tube cap tightening and removing device according to claim 1, characterized in that: Guide rails (3) distributed along the front-to-back direction are installed on the working platform (1) below the clamp base (11), and the guide slider at the bottom of the clamp base (11) is connected to the guide rails (3) below.

3. The centrifuge tube cap tightening and removing device according to claim 1, characterized in that: Platform handles (4) are installed on both the left and right sides of the working platform (1), and a base handle (13) is installed at the front end of the clamp base (11).

4. The centrifuge tube cap tightening and removing device according to claim 1, characterized in that: A front positioning block is installed in the middle of the rear end of the fixture stand (12), and a rear positioning block (9) is installed on the platform stand (5) directly behind the front positioning block. A positioning hole that is compatible with the above-mentioned front positioning block is opened on the inner side of the rear positioning block (9).

5. A centrifuge tube cap tightening and removing device according to claim 4, characterized in that: The front positioning block and the rear positioning block (9) are magnets with opposite magnetic properties.

6. The centrifuge tube cap tightening and removing device according to claim 1, characterized in that: A limit lever (10) is installed on the platform stand (5) on one side behind the fixture stand (12).

7. The centrifuge tube cap tightening and removing device according to claim 1, characterized in that: A conversion sleeve (23) is installed in the centrifuge tube fixture groove (22), and an annular inner pad (24) is installed on the inner side of the conversion sleeve (23).

8. The centrifuge tube cap tightening and removing device according to claim 7, characterized in that: The inner pad (24) is a rubber pad.

Citation Information

Patent Citations

  • Automatic tightening device for PET plastic bottle cap

    CN220788014U