Cap screwing chuck and device capable of being matched with containers of different sizes
By designing a capping chuck that can adapt to containers of different sizes, and by using multiple sets of staggered clamping posts and a gradually widening design, the problem of misalignment or deformation of large test tubes in automated instruments has been solved, achieving stable clamping and normal opening and closing of test tubes of different sizes.
Patent Information
- Application Number
- CN202423069367.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing automated instruments are prone to misalignment or deformation when handling test tubes of different sizes, especially large test tubes, leading to failure in opening and closing the cap.
A capping chuck adaptable to containers of different sizes was designed, including a first gripper assembly and a second gripper assembly. The two grippers are driven by a drive assembly to move towards or away from each other. Combined with the staggered arrangement of multiple sets of clamping posts and the gradually widening design, the chuck is secure and adaptable to the capping requirements of test tubes of different sizes.
It achieves stable clamping of test tubes of different sizes, avoids clamping misalignment or deformation, and ensures normal opening and closing of large test tube caps.
Smart Images
Figure CN223804863U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of container switch cover's screw cover, especially to a screw cover chuck and device that can adapt to different size containers. BACKGROUND
[0002] At present, in the automatic instrument, it is mostly used 2 column jaw's form to open and close cover. But in the case of different size test tube, especially in the case of big size difference, it satisfies the opening and closing cover requirement of small test tube, but in the use of big test tube, big test tube cover can cause the failure of closing cover because of clamping misplacement or deformation. SUMMARY
[0003] The utility model provides a screw cover chuck and device that can adapt to different size containers, can adapt to various size test tubes, avoid big test tube cover because of clamping misplacement or deformation, cause the failure of opening and closing cover.
[0004] In order to solve the above technical problem, the utility model provides a screw cover chuck that can adapt to different size containers, characterized by including first jaw assembly and second jaw assembly, first jaw assembly and second jaw assembly move towards or away under the drive of drive assembly;
[0005] The first jaw assembly includes a first fixed block, a group of clamping columns, the group of clamping columns is installed below the fixed block, and the group of clamping columns is perpendicular to the horizontal plane of the moving direction of the first jaw assembly and the second jaw assembly;
[0006] The second jaw assembly includes a second fixed block, N groups of clamping columns, 2≤N;The N groups of clamping columns are installed below the fixed block, and the N groups of clamping columns are perpendicular to the horizontal plane of the moving direction of the first jaw assembly and the second jaw assembly, the N groups of clamping columns are set in group misplacement along the moving direction;The distance between each group of clamping columns gradually widens as approaching the first jaw assembly;
[0007] The first jaw assembly and the second jaw assembly M group of clamping columns cooperate to clamp the container cover, 1≤M≤N;The drive assembly drives the first jaw assembly and the second jaw assembly clamping the container cover to screw along the circumferential direction of the container cover.
[0008] In some embodiments, the first fixed block is provided with a first through hole along the axial direction, and the second fixed block is provided with a second through hole along the axial direction.
[0009] In some embodiments, the second fixed block is provided with a gap on the side facing the first jaw assembly, and the gap is embedded for the container cover.
[0010] In some embodiments, the block wall on one side of the clearance opening of the second fixed block is arc-shaped, so that the projection of the clearance opening in the axial direction is a circular arc.
[0011] In some embodiments, the group of clamping columns closest to the first clamping jaw assembly among the N groups of clamping columns is located at the outermost side along the radial direction of the clearance opening.
[0012] In some embodiments, the drive assembly and the cap rotating chuck capable of adapting to containers of different sizes as described above are included.
[0013] In some embodiments, the drive assembly includes a rotating clamping motor, a rotating disc, and a clamping assembly fixed to the rotating disc, and the rotating motor drives the rotating disc to rotate so as to drive the clamping assembly to rotate.
[0014] In some embodiments, the clamping assembly includes a first sliding block, a second sliding block, and a sliding rail, and the first sliding block and the second sliding block move towards or away from each other along the sliding rail under the drive of the rotating clamping motor.
[0015] In some embodiments, two mounting blocks are further included, the mounting blocks are provided with a third through hole and a fourth through hole, the third through hole is matched with the first through hole of the first fixed block or the second through hole of the second fixed block, the first sliding block is provided with a sliding block through hole matched with the mounting block, the sliding block through hole is matched with the fourth through hole of the mounting block, and the first fixed block and the second fixed block are connected with the first sliding block and the second sliding block through the two mounting blocks, respectively.
[0016] Compared with the prior art, the second clamping jaw assembly with N groups of clamping columns is matched with one group of clamping columns of the first clamping jaw assembly, the first clamping jaw assembly can be matched with M groups of clamping columns of the second clamping jaw assembly according to the size of the test tube, 1≤M≤N, the drive assembly drives the first clamping jaw assembly and the second clamping jaw assembly clamping the container cap to rotate along the circumferential direction of the container cap, so as to realize the opening and closing of the cap. The larger the size is, the larger the value of M is, which can ensure that more groups of clamping columns are matched with the first clamping jaw assembly when the size of the test tube becomes larger, so as to avoid the failure of opening and closing the cap due to the misplacement or deformation of the cap of the large test tube. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 FIG. 1 is a schematic view of a cap rotating device capable of adapting to test tubes of different sizes according to the present application;
[0018] Figure 2 FIG. 4 is a schematic view of the cap rotating chuck clamping a large test tube according to the present application;
[0019] Figure 3 FIG. 5 is a schematic view of a drive assembly according to the present application;
[0020] Figure 4 It is the first fixed block schematic view of the utility model;
[0021] Figure 5 It is the second fixed block schematic view of the utility model;
[0022] Figure 6 It is the installation block schematic view of the utility model.
[0023] 1, shell;2, rotary disc;3, sliding block;301, sliding block through hole;4, installation block;401 third through hole;402, fourth through hole;5, first fixed block;501, first through hole;502, first clamping column;6, slide rail;7, second fixed block;701, second through hole;702, second clamping column;703, let go of mouth;8, test tube cover;9, rotary clamping motor. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.
[0025] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0026] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "installation", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be wall-mounted connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0027] Reference Figures 1-6The embodiment provides a screw cap device suitable for different sizes of test tubes, which comprises a driving assembly, a screw cap chuck suitable for different sizes of containers, two mounting blocks 4 and a shell 1, wherein the shell 1 wraps the driving assembly;
[0028] The screw cap chuck comprises a first jaw assembly and a second jaw assembly, which can move towards or away from each other under the driving of the driving assembly. The first jaw assembly comprises a first fixed block 5 and a group of clamping columns formed by two first clamping columns 502, which are installed below the fixed block and are arranged perpendicularly to the horizontal plane of the moving direction of the first jaw assembly and the second jaw assembly; the second jaw assembly comprises a second fixed block 7 and N groups of clamping columns formed by second clamping columns 702, 2 ≤ N; the N groups of clamping columns are installed below the fixed block and are arranged perpendicularly to the horizontal plane of the moving direction of the first jaw assembly and the second jaw assembly, and the N groups of clamping columns are arranged in a staggered manner along the moving direction; the distance between each group of clamping columns gradually widens as it approaches the first jaw assembly.
[0029] Specifically, the driving assembly comprises a rotary clamping motor 9, a rotary disc 2, a clamping assembly, the clamping assembly is fixed to the rotary disc 2, and the rotary motor drives the rotary disc 2 to rotate so as to drive the clamping assembly to rotate. The clamping assembly comprises two sliders 3, i.e. a first slider and a second slider, a sliding rail 6, a mounting block 4, a first fixed block 5 and a second fixed block 7, all of which are provided with through holes matched with each other. A bolt passes through the slider through hole 301 of the first slider and the fourth through hole 402 of one of the mounting blocks 4 to realize the connection between the first slider and the mounting block 4; a bolt passes through the first through hole 501 on the first fixed block 5 and the third through hole 401 on the mounting block 4, and then is screwed with a nut, so as to fix the first jaw assembly on the first slider 3. Similarly, a bolt passes through the slider through hole 301 of the second slider and the fourth through hole 402 of the other mounting block 4 to realize the connection between the first slider and the mounting block 4, a bolt passes through the second through hole 701 on the second fixed block 7 and the third through hole 401 on the mounting block 4, and then is screwed with a nut, so as to fix the second jaw assembly on the second slider. Under the driving of the rotary clamping motor 9, the first slider and the second slider move towards or away from each other along the sliding rail 6, so as to drive the first jaw assembly and the second jaw assembly to move towards or away from each other, thereby clamping and releasing the test tube cap 8.
[0030] According to the size of the test tube to be opened or closed, the first jaw assembly is matched with M groups of clamping columns of the second jaw assembly to clamp the test tube cap 8, wherein 1≤M≤N. In the embodiment, N=2 and M=2. The rotating clamping motor 9 drives the rotating disc 2 to rotate, thereby driving the first jaw assembly and the second jaw assembly clamping the test tube cap 8 to rotate along the circumferential direction of the test tube cap 8 to open or close the cap. In the embodiment, the driving assembly is selected from the existing Z-ERG-20-100 ALL-LMC motor on the market.
[0031] The specific working process of the cap rotating device suitable for test tubes of different sizes in the embodiment is as follows:
[0032] The rotating clamping motor 9 is turned on, and the first slider and the second slider are driven to move towards each other along the slide rail 6 according to the size of the test tube to be opened or closed. When clamping a small test tube, the first slider and the second slider are moved to the first jaw assembly and the second jaw assembly, and a group of clamping columns of the first jaw assembly clamps the test tube cap 8, and then the rotating clamping motor 9 drives the rotating disc 2 to rotate, thereby driving the first jaw assembly and the second jaw assembly to rotate the test tube cap 8 to open or close the cap of the small test tube. When clamping a large test tube, the first slider and the second slider are moved to the first jaw assembly and the second jaw assembly, and the two groups of four clamping columns of the first jaw assembly and the second jaw assembly clamp the test tube, and then the rotating clamping motor 9 drives the rotating disc 2 to rotate, thereby driving the first jaw assembly and the second jaw assembly to rotate the test tube cap 8 to open or close the cap of the large test tube.
[0033] In order to better clamp the test tube cap 8 by the N groups of clamping columns of the second jaw assembly and position the maximum size of the test tube, in the embodiment, the second fixed block 7 is provided with a clearance 703 on the side facing the first jaw assembly, the block wall on the side of the second fixed block 7 provided with the clearance 703 is arc-shaped, so that the projection of the clearance 703 in the axial direction is a circular arc, and a group of clamping columns closest to the first jaw assembly among the two groups of clamping columns is located at the outermost side of the clearance 703 along the radial direction, and the clearance 703 is used for embedding the test tube cap 8.
[0034] As a simple replacement of the embodiment, the values of N and M are not limited to 2 in the embodiment.
[0035] The above description is only a preferred specific implementation of the present application, but the design concept of the present application is not limited thereto. Any skilled person in the art can make non-essential changes to the present application within the technical scope disclosed in the present application, and such changes shall be deemed as infringement of the protection scope of the present application.
Claims
1. A spin cap collet adaptable to different size containers, characterized in that, The first and second jaw assemblies are moved towards or away from each other under the drive of a driving assembly; The first jaw assembly comprises a first fixed block and a plurality of clamping columns installed below the fixed block and perpendicular to the horizontal plane of the moving direction of the first and second jaw assemblies; The second jaw assembly comprises a second fixed block and N groups of clamping columns, 2≤N; the N groups of clamping columns are installed below the fixed block and perpendicular to the horizontal plane of the moving direction of the first and second jaw assemblies, and the N groups of clamping columns are arranged in groups staggered along the moving direction; the distance between each group of clamping columns gradually widens as it approaches the first jaw assembly; The first and second jaw assemblies are driven by the driving assembly to screw the container cap along the circumferential direction of the container cap.
2. The spin cap collet of claim 1, wherein, The first fixed block is provided with a first through hole along the axial direction, and the second fixed block is provided with a second through hole along the axial direction.
3. The threaded cap chuck of claim 1, wherein, The second fixed block is provided with a clearance opening on the side facing the first jaw assembly, and the clearance opening is used for embedding the container cap.
4. The spin cap collet of claim 3, wherein, The block wall on the side of the second fixed block provided with the clearance opening is arc-shaped, so that the projection of the clearance opening in the axial direction is circular arc-shaped.
5. The spin cap collet of claim 4, wherein, The group of clamping columns closest to the first jaw assembly among the N groups of clamping columns is located at the outermost side along the radial direction of the clearance opening.
6. A screw cap device for tubes of different sizes, characterized in that The driving assembly and the cap clamping chuck capable of adapting to different sizes of containers according to any one of claims 1-5.
7. The cap device of claim 6, wherein the cap device is adapted to different sizes of test tubes. The driving assembly comprises a rotating clamping motor, a rotating disc, and a clamping assembly fixed to the rotating disc, and the rotating motor drives the rotating disc to rotate and thus drives the clamping assembly to rotate.
8. The cap device of claim 7, wherein the cap device is adapted to different sizes of test tubes. The clamping assembly comprises a first sliding block, a second sliding block, and a sliding rail, and the first and second sliding blocks are moved towards or away from each other along the sliding rail under the drive of the rotating clamping motor.
9. The cap device of claim 8, wherein the cap device is adapted to different sizes of test tubes. The two mounting blocks are provided with a third through hole and a fourth through hole; the third through hole cooperates with the first through hole of the first fixed block or the second through hole of the second fixed block; the first sliding block is provided with a sliding block through hole cooperating with the mounting block, and the sliding block through hole cooperates with the fourth through hole of the mounting block; and the first and second fixed blocks are connected with the first and second sliding blocks through the two mounting blocks, respectively.