CN216718464U - Sample pipe clamping and positioning device - Google Patents
Sample pipe clamping and positioning device Download PDFInfo
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- CN216718464U CN216718464U CN202123385497.8U CN202123385497U CN216718464U CN 216718464 U CN216718464 U CN 216718464U CN 202123385497 U CN202123385497 U CN 202123385497U CN 216718464 U CN216718464 U CN 216718464U
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Abstract
The utility model discloses a sample tube clamping and positioning device, which comprises: the sample tube clamping device comprises a left clamping arm and a right clamping arm, wherein the left clamping arm is provided with a left clamping groove, the right clamping arm is provided with a right clamping groove, the left clamping groove and the right clamping groove are arranged oppositely, and the left clamping groove and the right clamping groove are used for clamping a sample tube; the driving device is used for driving the left clamping arm and the right clamping arm to open and close; the clamping frame is provided with a driving device, and the left clamping arm and the right clamping arm are movably arranged on the clamping frame. After the sample tube is carried by the sample support and moves to the sampling station, the driving device drives the left clamping arm and the right clamping arm to fold so that the sample tube is clamped by the left clamping groove and the right clamping groove, and the sample tube is in a vertical state, so that the sampling of a sampling needle is facilitated. After the sampling is finished, the driving device drives the left clamping arm and the right clamping arm to be opened, the clamping effect on the sample tube is relieved, and then the sample carries the sample tube to leave the sampling station.
Description
Technical Field
The utility model relates to the field of flow process of laboratories, in particular to a sample tube clamping and positioning device.
Background
In a laboratory run, a sampling needle above the transport device draws a sample from a sample tube after the transport device has transported the sample to a sampling site. The sample is located in the sample holder, but the sample is likely to be skewed during the transportation process, which is not favorable for the sampling operation of the sampling needle.
Therefore, how to facilitate the sampling needle to extract the sample is a critical issue to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to centralize a sample tube so as to be beneficial to a sampling needle to extract a sample. In order to achieve the purpose, the utility model provides the following technical scheme:
a sample tube grip positioning device comprising:
the sample tube clamping device comprises a left clamping arm and a right clamping arm, wherein the left clamping arm is provided with a left clamping groove, the right clamping arm is provided with a right clamping groove, the left clamping groove and the right clamping groove are oppositely arranged, and the left clamping groove and the right clamping groove are used for clamping a sample tube;
the driving device is used for driving the left clamping arm and the right clamping arm to open and close;
the driving device is arranged on the clamping frame, and the left clamping arm and the right clamping arm are movably arranged on the clamping frame.
Preferably, the left clamping groove gradually shrinks in the direction from right to left, and the right clamping groove gradually shrinks in the direction from left to right.
Preferably, the left clamp arm comprises: a left arm portion; the left clamping block is arranged at the top end of the left arm part and extends to one side of the right clamping arm, and the left clamping groove is formed in the end face, facing the right clamping arm, of the left clamping block;
the right clamp arm includes: a right arm portion; set up in the right clamp splice on right arm portion top, right clamp splice stretch to left centre gripping arm one side, right centre gripping groove sets up right clamp splice is in the face of left centre gripping arm on the terminal surface, left arm portion with supply the transmission band to pass between the right arm portion.
Preferably, the bottom of left arm portion is connected with left slider, the bottom of right arm portion is connected with right slider, left side slider with right slider all cooperates on the slide rail, the slide rail extends along left right direction, the slide rail link firmly in on the holding frame.
Preferably, the driving device drives the left clamping arm and the right clamping arm through a transmission assembly, the transmission assembly comprises two transmission parts with opposite movement directions, and the left slider and the right slider are respectively connected with the two transmission parts.
Preferably, the two transmission parts are arranged below the slide rail, the left slide block is connected with one transmission part through a left connecting piece, and the right slide block is connected with the other transmission part through a right connecting piece.
Preferably, two the transmission portion is left rack and right rack respectively, transmission assembly still includes the gear, left side rack with right rack sets up respectively the both sides of gear, the gear with left side rack with right rack meshes mutually, left side rack with left centre gripping arm is connected, right rack with right centre gripping arm is connected.
Preferably, the driving device is located below the gear and is used for driving the gear to rotate forward or backward.
Preferably, the output shaft of the drive is connected to the gear shaft of the gear via a torque limiter.
Preferably, the clamping device further comprises a sensor for detecting the moving condition of the left clamping arm and the right clamping arm, and the sensor is electrically connected with the driving device.
Preferably, the sensor comprises a detection piece and a sensing piece, the sensing piece is arranged on the clamping frame, and the detection piece is arranged on the left clamping arm or the right clamping arm.
Preferably, the number of the sensing members is two or more. The arrangement positions of the different sensing pieces are different.
According to the technical scheme, after the sample tube is carried by the sample to move to the sampling station, the driving device drives the left clamping arm and the right clamping arm to be folded, so that the sample tube is clamped by the left clamping groove and the right clamping groove, the sample tube is in a vertical state, and the sampling of the sampling needle is facilitated. After the sampling is finished, the driving device drives the left clamping arm and the right clamping arm to be opened, the clamping effect on the sample tube is relieved, and then the sample carries the sample tube to leave the sampling station.
Drawings
In order to more clearly illustrate the solution of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.
Fig. 1 is a schematic diagram of a sample tube clamping and positioning device according to an embodiment of the present invention.
Wherein, 1 is left arm, 2 is left clamp splice, 3 is right arm, 4 is right clamp splice, 5 is left connecting piece, 6 is left slider, 7 is left rack, 8 is right connecting piece, 9 is the gear, 10 is the torque limiter, 11 is drive arrangement, 12 is the connecting plate, 13 is left centre gripping groove, 14 is right centre gripping groove.
Detailed Description
The utility model discloses a sample tube clamping and positioning device which can be used for righting a sample tube so as to be beneficial to a sampling needle to extract a sample.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
The sample tube holding and positioning device of the utility model comprises: left centre gripping arm, right centre gripping arm, drive arrangement 11, clamping frame. Wherein the left clamping arm has a left clamping groove 13 and the right clamping arm has a right clamping groove 14. The left clamping groove 13 and the right clamping groove 14 are arranged opposite to each other and used for guiding the sample tube and clamping and positioning the sample tube. The driving device 11 is used for driving the opening and closing of the left clamping arm and the right clamping arm. The driving device 11, the left clamping arm and the right clamping arm are all arranged on the clamping frame.
After the sample tube is carried by the sample carrier and moves to the sampling station, the driving device 11 drives the left clamping arm and the right clamping arm to close, so that the left clamping groove 13 and the right clamping groove 14 clamp the sample tube, and the sample tube is in a vertical state, thereby facilitating the sampling of the sampling needle. After the sampling is completed, the driving device 11 drives the left clamping arm and the right clamping arm to open, the clamping effect on the sample tube is released, and then the sample carries the sample tube to leave the sampling station.
In practical application, the diameter of the sample tube is large or small, and in order to widen the application range of the sample tube clamping and positioning device, the left clamping groove 13 and the right clamping groove 14 are both set to be V-shaped grooves for clamping and guiding test tubes with different diameters when the test tubes are inclined, or the left clamping groove 13 gradually shrinks in the direction from right to left, and the right clamping groove 14 gradually shrinks in the direction from left to right. If the sample tube has a smaller diameter, the left and right grip arms are closed to a greater extent, or close to each other, so that the sample tube is gripped by the inner portions of the left and right grip grooves 13 and 14. If the sample tube has a larger diameter, the left and right grip arms are closed to a lesser extent, or to a greater extent, so that the outer portions of the left and right grip grooves 13 and 14 grip the sample tube.
The left gripper arm comprises a left arm part 1 and a left gripper block 2. Left clamp splice 2 sets up in 1 top of left arm portion, and left clamp splice 2 stretches to right centre gripping arm one side, and left centre gripping groove 13 sets up on the terminal surface of left clamp splice 2 facing right centre gripping arm. The right gripper arm comprises a right arm portion 3 and a right gripper block 4. The right clamping block 4 is arranged at the top end of the right arm part 3, the right clamping block 4 extends to one side of the left clamping arm, and the right clamping groove 14 is formed in the end face, facing the left clamping arm, of the right clamping block 4. A gap is formed between the left arm portion 1 and the right arm portion 3, and the gap allows a conveying belt of the conveying apparatus to pass through.
Further, the bottom of the left arm 1 is connected with a left slider 6, and the bottom of the right arm 3 is connected with a right slider. The left slider 6 and the right slider are both matched on the sliding rail. The slide rail extends along the left and right directions and is fixedly connected to the clamping frame. When the driving device 11 drives the left and right clamp arms, the left and right arm portions 1 and 3 move left and right along the slide rails.
It should be noted that, the matching structure of the left slider 6 and the right slider is as follows: the lateral part of slide rail is provided with the draw-in groove that extends along the length direction of slide rail. The lateral parts of the left slider 6 and the right slider are provided with clamping protrusions matched with the clamping grooves, and the clamping protrusions are clamped in the clamping grooves. And the left sliding block 6 and the right sliding block can stably move left and right along the sliding rail due to the clamping relation between the clamping protrusions and the clamping grooves.
The driving device 11 drives the left and right clamping arms through a transmission assembly. The transmission assembly comprises two transmission parts with opposite movement directions, and the left sliding block 6 and the right sliding block are respectively connected with the two transmission parts. For example, in the case of a closed loop conveyor, one side of the conveyor moves in the forward direction and the other side of the conveyor moves in the reverse direction. If the left slider 6 and the right slider are respectively arranged on the conveyor belts on both sides, the left slider 6 and the right slider can be driven to move towards and away from each other by a driving device 11.
Based on compact structure and consideration of saving occupied space, the two transmission parts are arranged below the sliding block. The left slider 6 is then connected to one of the transmission parts by the left connecting piece 5 and the right slider is connected to the other transmission part by the right connecting piece 8. Because left slider 6 and right slider setting are on the slide rail, and two transmission portions set up the below at the slide rail, consequently set up left connecting piece 5 and right connecting piece 8 all into the horn shape. Each of the left and right connecting members 5 and 8 includes a horizontal portion and a vertical portion. The horizontal part is connected with the left slide block 6 or the right slide block, and the vertical part is connected with the transmission part. The left arm 1 is connected to the left joint 5, and the right arm 3 is connected to the right joint 8.
In a specific embodiment of the present invention, the two transmission parts are a left rack 7 and a right rack, respectively. The transmission assembly further comprises a gear wheel 9. The left rack 7 and the right rack are respectively arranged on two sides of the gear 9, and the left rack 7 and the right rack are both meshed with the gear 9. When the gear 9 rotates towards one direction, the left rack 7 and the right rack move relatively, so that the left clamping arm and the right clamping arm are folded. When the gear 9 rotates in the other direction, the left rack 7 and the right rack move away from each other, so that the left clamping arm and the right clamping arm are opened. Referring to fig. 1, in fig. 1, the left rack 7 is located at the rear side of the gear 9, and then the right rack is located at the front side of the gear 9. The right rack is hidden from view by the right link 8 in fig. 1.
In view of compactness, the driving device 11 is disposed below the gear 9, the driving device 11 drives the gear 9 to rotate forward or backward, and the driving device 11 can be a motor or other driving device capable of outputting rotary motion.
In order to ensure safe operation, the utility model also provides a torque limiter 10 between the drive 11 and the gear wheel 9. The output shaft of the drive 11 is connected to the gear shaft of the gear 9 via a torque limiter 10.
Based on the consideration of intelligent operation, the utility model is additionally provided with a sensor. The sensor is used for detecting the moving conditions of the left clamping arm and the right clamping arm. The sensor is electrically connected to the drive means 11. The sample tubes with different diameters correspond to different moving distances of the left clamping arm and the right clamping arm. During the closing process of the left clamping arm and the right clamping arm, if the sensor detects that the left clamping arm and the right clamping arm move in place, the sensor controls the driving device 11 to stop driving.
The sensor specifically includes a detecting member and a sensing member. The detection piece is arranged on the left clamping arm or the right clamping arm. The sensing piece is arranged on the clamping frame. In the process that the detection piece moves along with the left clamping arm or the right clamping arm, if the detection piece is sensed by the sensing piece, the fact that the left clamping arm or the right clamping arm moves in place is indicated. Since the moving directions of the left clamping arm and the right clamping arm are opposite, but the moving speeds are the same, after one of the clamping arms is in place, the other clamping arm is also in place.
In order to widen the application range of the inductor, two or more induction pieces are arranged on the clamping frame. Different sensing members are arranged at different positions of the clamping frame. Different sensors correspond to sample tubes of different diameters. Before sampling, the control center determines which sensor to operate according to the diameter of the sample tube in advance.
Finally, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A sample tube grip positioning device, comprising:
the sample tube clamping device comprises a left clamping arm and a right clamping arm, wherein the left clamping arm is provided with a left clamping groove, the right clamping arm is provided with a right clamping groove, the left clamping groove and the right clamping groove are oppositely arranged, and the left clamping groove and the right clamping groove are used for clamping a sample tube;
the driving device is used for driving the left clamping arm and the right clamping arm to open and close;
the driving device is arranged on the clamping frame, and the left clamping arm and the right clamping arm are movably arranged on the clamping frame.
2. The sample tube grip positioning device of claim 1, wherein the left grip groove tapers in a right-to-left direction and the right grip groove tapers in a left-to-right direction.
3. The sample tube grip positioning device of claim 1,
the left clamp arm includes: a left arm portion; the left clamping block is arranged at the top end of the left arm part and extends to one side of the right clamping arm, and the left clamping groove is formed in the end face, facing the right clamping arm, of the left clamping block;
the right clamp arm includes: a right arm portion; set up in the right clamp splice on right arm portion top, right clamp splice stretch to left centre gripping arm one side, right centre gripping groove sets up right clamp splice is in the face of left centre gripping arm on the terminal surface, left arm portion with supply the transmission band to pass between the right arm portion.
4. The sample tube holding and positioning device according to claim 3, wherein a left slide block is connected to a bottom of the left arm portion, a right slide block is connected to a bottom of the right arm portion, and the left slide block and the right slide block are respectively engaged with a slide rail extending in the left-right direction, and the slide rail is fixedly connected to the holding frame.
5. The sample tube clamping and positioning device according to claim 4, wherein the driving device drives the left clamping arm and the right clamping arm through a transmission assembly, the transmission assembly comprises two transmission parts with opposite movement directions, and the left slider and the right slider are respectively connected with the two transmission parts.
6. The sample tube grip positioning device of claim 5, wherein two of the transmission portions are disposed below the slide rail, the left slider is connected to one of the transmission portions by a left connecting member, and the right slider is connected to the other transmission portion by a right connecting member.
7. The sample tube clamping and positioning device according to claim 5, wherein the two transmission parts are a left rack and a right rack, the transmission assembly further comprises a gear, the left rack and the right rack are respectively arranged on two sides of the gear, the gear is meshed with the left rack and the right rack, the left rack is connected with the left clamping arm, and the right rack is connected with the right clamping arm.
8. The sample tube grip positioning device of claim 7, wherein the drive device is located below the gear for driving the gear in forward or reverse rotation.
9. Sample tube grip positioning device according to claim 8, characterized in that the output shaft of the drive device is connected with the gear shaft of the gear wheel via a torque limiter.
10. The sample tube grip positioning device of claim 1, further comprising a sensor for detecting a movement condition of the left and right grip arms, the sensor being electrically connected to the driving device.
11. The sample tube grip positioning device of claim 10, wherein the sensor comprises a sensing member and a sensing member, the sensing member being disposed on the grip holder, the sensing member being disposed on the left grip arm or the right grip arm.
12. The sample tube holding and positioning device according to claim 10, wherein the number of the sensing members is two or more, and the different sensing members are disposed at different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385497.8U CN216718464U (en) | 2021-12-29 | 2021-12-29 | Sample pipe clamping and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385497.8U CN216718464U (en) | 2021-12-29 | 2021-12-29 | Sample pipe clamping and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718464U true CN216718464U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123385497.8U Active CN216718464U (en) | 2021-12-29 | 2021-12-29 | Sample pipe clamping and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718464U (en) |
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2021
- 2021-12-29 CN CN202123385497.8U patent/CN216718464U/en active Active
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