CN216890035U - Sample pipe clamping mechanism - Google Patents
Sample pipe clamping mechanism Download PDFInfo
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- CN216890035U CN216890035U CN202220576558.4U CN202220576558U CN216890035U CN 216890035 U CN216890035 U CN 216890035U CN 202220576558 U CN202220576558 U CN 202220576558U CN 216890035 U CN216890035 U CN 216890035U
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- guide rail
- seat
- clamping block
- sample tube
- translation guide
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Abstract
The utility model relates to the technical field of in-vitro diagnosis medical instruments, and discloses a sample tube clamping mechanism which comprises a bottom plate, wherein a plurality of clamping modules are installed on the bottom plate, each clamping module comprises a base, a translation guide rail seat installed on the base, a translation guide rail installed on the translation guide rail seat, a limiting seat and a movable clamping block which are respectively installed on a translation guide rail sliding block, and a fixed clamping block installed at the other end of the translation guide rail seat, wherein a guide shaft is installed on the movable clamping block, the other end of the guide shaft penetrates through the limiting seat to enable the limiting seat to slide along the guide shaft, a second spring is sleeved on the guide shaft, a motor seat is installed on the side surface of the translation guide rail seat, a lead screw motor is installed on the motor seat, a switching block is installed on a lead screw nut of the lead screw motor, and the switching block is connected to the limiting seat. The sample tube body can be stably clamped, the sample tube is prevented from being damaged, and meanwhile the uncapping success rate can be improved.
Description
Technical Field
The utility model relates to the technical field of in-vitro diagnosis medical instruments, in particular to a sample tube clamping mechanism.
Background
The sample of external diagnosis usually gathers through the sample tube of taking the lid, at first will uncap to the sample tube before last quick-witted detection, uncaps through the manual work efficiency not high and increased the contact infection risk of operating personnel with the sample, consequently need adopt uncap mechanism to uncap to the sample tube usually.
At the sample tube in-process of uncapping, need press from both sides tight back rotation lifting sample tube lid again with the sample body and accomplish uncapping, at the in-process that presss from both sides tight the sample tube body, the clamp force is too big leads to damaging the sample tube easily, and the clamp force undersize then leads to uncapping the failure easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a sample tube clamping mechanism which can stably clamp a sample tube body in the process of uncapping and capping the sample tube, so that the sample tube is prevented from being damaged, and meanwhile, the uncapping success rate can be improved.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a sample tube clamping mechanism comprises a bottom plate, wherein a plurality of clamping modules are installed on the bottom plate, each clamping module comprises a base, a translation guide rail seat installed on the base, a translation guide rail with two sliding blocks installed on the translation guide rail seat, a limiting seat and a movable clamping block which are respectively installed on the two sliding blocks of the translation guide rail, and a fixed clamping block installed at the other end of the translation guide rail seat, the contact surfaces of the movable clamping block and the fixed clamping block form a sample tube clamping position, a guide shaft is installed on the movable clamping block, the other end of the guide shaft penetrates through the limiting seat to enable the limiting seat to slide along the guide shaft, a second spring is sleeved on the guide shaft, two free ends of the second spring are respectively abutted to the surfaces of the limiting seat and the movable clamping block, a motor seat is installed on the side surface of the translation guide rail seat, a lead screw motor is installed on the motor seat, and a transfer block is installed on a lead screw nut of the lead screw motor, the switching block is connected to the limiting seat.
As an improvement, the clamping surface of the movable clamping block is in a shape of < ", and the clamping surface of the fixed clamping block is in a shape of >.
As an improvement, the clamping surfaces of the movable clamping block and the fixed clamping block are knurled surfaces.
As an improvement, the movable clamping block and the fixed clamping block are both made of metal materials.
As an improvement, install the lift guide rail seat on the base, install on the lift guide rail seat with base vertically lift guide rail, still install the stand on the base, the stand is parallel with linear guide, installs first spring on the stand, the translation guide rail seat is connected on lift guide rail's slider, the upper end of stand stretches into translation guide rail seat inside and can slide from top to bottom, two free ends of first spring butt respectively to translation guide rail seat lower surface and base upper surface.
As an improvement, a photoelectric switch is installed at the lower end of the translation guide rail seat, an induction sheet is installed at the lower end of the transfer block, and the motion track of the induction sheet passes through the induction area of the photoelectric switch.
As an improvement, a PCB fixing plate is installed on the base, a control circuit board is installed on the PCB fixing plate, the upper end of the PCB fixing plate is of a bending structure, and the control circuit board is located below the bending structure.
As an improvement, an outer cover and a baffle plate are arranged above the bottom plate, the clamping module is positioned in the outer cover, and a position avoiding groove is formed in the position, corresponding to the clamping position, on the outer cover.
By combining the technical scheme, compared with the prior art, the sample tube clamping mechanism provided by the utility model has the beneficial effects that: buffer through the second spring and avoid the too big damage sample tube of clamp force when carrying out stable clamp to the sample tube, the activity presss from both sides tight piece and the knurling of the tight face of fixed clamp can increase frictional force, promotes uncapping and adds the lid success rate, places and the in-process that covers at the sample tube, and first spring cushions the sample tube bottom, avoids sample tube bottom pressurized to damage.
Drawings
Fig. 1 is a schematic structural diagram of a sample tube clamping mechanism according to the present invention.
Fig. 2 is a schematic structural diagram of a sample tube clamping module according to the present invention.
Fig. 3 is a schematic view of the installation position of the photoelectric switch and the sensing piece according to the present invention.
Wherein: 1-bottom plate, 2-clamping module, 201-base, 202-PCB fixing plate, 203-motor base, 204-lifting guide rail, 205-upright post, 206-first spring, 207-translation guide rail base, 208-translation guide rail, 209-transfer block, 210-limit base, 211-guide shaft, 212-second spring, 213-movable clamping block, 214-fixed clamping block, 215-control circuit board, 216-knurled surface, 217-photoelectric switch, 218-induction sheet, 219-lifting guide rail base and 220-screw motor.
Detailed Description
To explain technical features of the present invention and objects and effects achieved by the present invention in detail, the present invention is further explained in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that, although relational terms such as "first" and "second" and the like may be used herein to distinguish one entity from another entity without necessarily requiring or implying any actual or sequential relationship between such entities, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1-3, a sample tube clamping mechanism includes a base plate 1, a plurality of clamping modules 2 are mounted on the base plate 1, each clamping module 2 includes a base 201, a translation guide rail seat 207 mounted on the base 201, a translation guide rail 208 mounted on the translation guide rail seat 207 and having two sliders, a limiting seat 210 and a movable clamping block 213 mounted on the two sliders of the translation guide rail 208, respectively, and a fixed clamping block 214 mounted at the other end of the translation guide rail seat 207, contact surfaces of the movable clamping block 213 and the fixed clamping block 214 form a sample tube clamping position, a guide shaft 211 is mounted on the movable clamping block 213, the other end of the guide shaft 211 penetrates through the limiting seat 210 to enable the limiting seat 210 to slide along the guide shaft 211, a second spring 212 is sleeved on the guide shaft 211, and two free ends of the second spring 212 are abutted to surfaces of the limiting seat 210 and the movable clamping block 213 respectively, the side-mounting of translation guide rail seat 207 has motor cabinet 203, installs lead screw motor 220 on the motor cabinet 203, install switching piece 209 on lead screw motor 220's the screw-nut, switching piece 209 is connected to spacing seat 210.
In the above embodiment, the lead screw motor 220 is used for driving the sliding of the movable clamping block 213, during the clamping process, the lead screw motor 220 rotates to enable the lead screw nut to drive the transfer block 209 to slide towards the fixed clamping block 214, the transfer block 209 drives the limiting seat 210 to slide and compress the second spring 212, and the reset elastic force of the second spring 212 pushes the movable clamping block 213 to slide, so that the clamping surface of the movable clamping block 213, facing the fixed clamping block 214, is close to complete the clamping of the sample tube, and because the second spring 212 has a buffering effect during the clamping process, the sample tube can be prevented from being damaged due to overlarge clamping force.
Preferably, the clamping surface of the movable clamping block 213 is "<" shaped, and the clamping surface of the fixed clamping block 214 is ">".
In the above embodiment, the clamping position formed between the clamping surface of the movable clamping block 213 and the clamping surface of the fixed clamping block 214 can be adapted to the clamping of sample tubes with different outer diameters, and the clamping can be more stable.
Preferably, the clamping surfaces of the movable clamping block 213 and the fixed clamping block 214 are knurled surfaces 216.
In the above embodiment, the knurled surface 216 can increase the friction of the clamping surface on the sample tube during the uncapping and capping processes, thereby avoiding the sample tube slipping during the uncapping and capping processes from causing the uncapping and capping failures.
Preferably, the movable clamping block 213 and the fixed clamping block 214 are made of metal materials.
In the above embodiment, the movable clamping block 213 and the fixed clamping block 214 made of metal material clamp the sample tube made of plastic material, so that the sample tube has better clamping stability, the clamping surface is not worn after long-term use, friction is reduced, and a slipping phenomenon occurs, and the service life is prolonged.
Preferably, install lifting guide seat 219 on the base 201, lifting guide seat 219 is last to install with base 201 vertically lifting guide 204, still install stand 205 on the base 201, stand 205 is parallel with lifting guide 204, installs first spring 206 on the stand 205, translation guide seat 207 is connected on lifting guide 204's slider, the upper end of stand 205 stretches into translation guide seat 207 inside and can slide from top to bottom, two free ends of first spring 206 are respectively to receiving translation guide seat 207 lower surface and base 201 upper surface.
In the above embodiment, the pressure generated by the downward movement of the robot arm during the process of capping and placing the sample tube 5 can be buffered by the first spring 206, and the lifting rail 204 and the column 205 are used to guide the upward and downward movement of the translation rail base 20 so that it slides smoothly.
Preferably, a photoelectric switch 217 is installed at the lower end of the translation guide rail seat 207, an induction sheet 218 is installed at the lower end of the transfer block 209, and the motion track of the induction sheet 218 passes through the induction area of the photoelectric switch 217.
In the above embodiment, the photoelectric switch 217 and the sensing piece 218 are used for monitoring the position of the position limiting base 210, and when the sensing piece 218 enters the sensing area of the photoelectric switch 217, the screw motor 220 stops rotating, so that the position limiting base 210 stops sliding.
Preferably, the base 201 is provided with a PCB fixing plate 202, the PCB fixing plate 202 is provided with a control circuit board 215, the upper end of the PCB fixing plate 202 is of a bending structure, and the control circuit board 215 is located below the bending structure.
In the above embodiment, the control circuit board 215 is fixed inside the clamping module 2, facilitating modular installation and maintenance.
Preferably, an outer cover 3 and a baffle 4 are arranged above the bottom plate 201, the clamping module 2 is located in the outer cover 3, and a position avoiding groove 31 is formed in the outer cover 3 at a position corresponding to a clamping position.
In the above embodiment, the housing 3 and the baffle 4 isolate and protect the non-working part of the clamping module 2, and at the same time, the mechanism appearance is neat and beautiful.
It should be noted that, in the summary of the present invention, each embodiment is described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The present invention and its embodiments have been described in detail, but the description is not limited thereto, and the embodiments shown in the drawings are only a part of the embodiments of the present invention, and the actual structure is not limited thereto. Those skilled in the art will appreciate that various modifications, adaptations, and alternatives can be made without departing from the spirit of the utility model, and these are intended to be within the scope of the utility model.
Claims (8)
1. A sample tube clamping mechanism, characterized in that: comprises a bottom plate, a plurality of clamping modules are arranged on the bottom plate, each clamping module comprises a base, a translation guide rail seat arranged on the base, a translation guide rail with two slide blocks, a limiting seat and a movable clamping block which are respectively arranged on the two slide blocks of the translation guide rail, and a fixed clamping block arranged at the other end of the translation guide rail seat, wherein the translation guide rail is arranged on the translation guide rail seat, the limiting seat and the movable clamping block are respectively arranged on the two slide blocks of the translation guide rail, the contact surface of the movable clamping block and the fixed clamping block forms a sample pipe clamping position, a guide shaft is arranged on the movable clamping block, the other end of the guide shaft penetrates through the limiting seat to enable the limiting seat to slide along the guide shaft, a second spring is sleeved on the guide shaft, two free ends of the second spring are respectively abutted to the surfaces of the limiting seat and the movable clamping block, a motor seat is arranged on the side surface of the translation guide rail seat, a lead screw motor is arranged on the motor seat, and a transfer block is arranged on a lead screw nut of the lead screw motor, the adapter block is connected to the limiting seat.
2. The sample tube clamping mechanism of claim 1, wherein: the clamping surface of the movable clamping block is in a shape of < ", and the clamping surface of the fixed clamping block is in a shape of >".
3. A sample tube clamping mechanism according to claim 1 or 2, wherein: the clamping surfaces of the movable clamping block and the fixed clamping block are knurled surfaces.
4. The sample tube clamping mechanism of claim 1, wherein: the movable clamping block and the fixed clamping block are both made of metal materials.
5. The sample tube clamping mechanism of claim 1, wherein: install the lift guide rail seat on the base, install on the lift guide rail seat with base vertically lift guide rail, still install the stand on the base, the stand is parallel with lift guide rail, installs first spring on the stand, the translation guide rail seat is connected on lift guide rail's slider, the upper end of stand stretches into translation guide rail seat inside and can slide from top to bottom, translation guide rail seat lower surface and base upper surface are propped respectively to two free ends of first spring.
6. The sample tube clamping mechanism of claim 1, wherein: the lower end of the translation guide rail seat is provided with a photoelectric switch, the lower end of the transfer block is provided with an induction sheet, and the motion trail of the induction sheet passes through the induction area of the photoelectric switch.
7. The sample tube clamping mechanism of claim 1, wherein: the PCB fixing plate is installed on the base, the control circuit board is installed on the PCB fixing plate, the upper end of the PCB fixing plate is of a bending structure, and the control circuit board is located below the bending structure.
8. The sample tube clamping mechanism of claim 1, wherein: an outer cover and a baffle plate are arranged above the bottom plate, the clamping module is positioned in the outer cover, and a position avoiding groove is formed in the position, corresponding to the clamping position, on the outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576558.4U CN216890035U (en) | 2022-03-16 | 2022-03-16 | Sample pipe clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576558.4U CN216890035U (en) | 2022-03-16 | 2022-03-16 | Sample pipe clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216890035U true CN216890035U (en) | 2022-07-05 |
Family
ID=82190712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220576558.4U Active CN216890035U (en) | 2022-03-16 | 2022-03-16 | Sample pipe clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216890035U (en) |
-
2022
- 2022-03-16 CN CN202220576558.4U patent/CN216890035U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 301, 310, Building 5, South Taiyun Chuanggu, Tangwei Community, Fenghuang Street, Guangming District, Shenzhen, Guangdong 518110 Patentee after: Midic (Shenzhen) Technology Co.,Ltd. Address before: 518110 room 304, building 28, niulanqian Industrial Zone, Xinniu community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen huaruikang Biotechnology Co.,Ltd. |
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| CP03 | Change of name, title or address |