CN111977589A - Rotary clamping mechanism compatible with various containers and cover opening device - Google Patents
Rotary clamping mechanism compatible with various containers and cover opening device Download PDFInfo
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- CN111977589A CN111977589A CN202010934201.4A CN202010934201A CN111977589A CN 111977589 A CN111977589 A CN 111977589A CN 202010934201 A CN202010934201 A CN 202010934201A CN 111977589 A CN111977589 A CN 111977589A
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- disc
- guide groove
- clamping mechanism
- mandrel
- connecting piece
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- 230000007246 mechanism Effects 0.000 title claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 8
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses a rotary clamping mechanism compatible with various containers, which comprises a mandrel used for transmission, a clamping mechanism and a clamping mechanism, wherein the mandrel is driven by a first motor to rotate; the sleeve shaft is used for transmission, is sleeved outside the mandrel and is connected with the torque retainer; a clamping assembly for converting rotary motion to horizontal clamping motion, comprising a timing disk connected to a spindle and a guide slot disk connected to a sleeve spindle, the timing disk and guide slot disk being connected by a link; when the time sequence disc rotates along with the mandrel, the connecting piece is folded along the guide groove disc under the action of the time sequence disc to clamp the target object, and then when the acting force of the connecting piece on the guide groove disc is larger than the preset value of the torque retainer, the target object, the connecting piece, the guide groove disc and the sleeve shaft rotate along with the time sequence disc. The invention also discloses a cover opening device comprising the rotary clamping mechanism, which can realize the lifting, screwing and cover opening of containers of various types, is quick and safe in cover opening, low in cost and high in detection efficiency, and can operate stably for a long time.
Description
Technical Field
The invention relates to the technical field of in-vitro diagnosis and laboratory sample processing equipment, in particular to a rotary clamping mechanism and a cover opening device compatible with various containers.
Background
The vacuum blood collection tube adopts the negative pressure design, and after the blood collection needle pierces the blood vessel, the blood can automatically flow into the tube, thereby not only facilitating the operation of medical personnel, but also avoiding the infection of the patient, reducing the probability that the outside air enters the blood vessel, and having higher biological safety. An automatic testing device for analyzing a blood sample in a vacuum blood collection tube needs to perform an operation of opening a cover of a sample tube and then an operation of taking the sample by a needle tube. Because the vacuum blood collection tube is in a negative pressure environment, the cover body needs to be lifted while being rotated when the cover body is opened. The existing uncovering mechanism of the automatic detection equipment can only adopt constant force clamping aiming at a single sample pipe diameter, or needs a plurality of sets of parameters to be exchanged and switched to uncover containers with different specifications, and has poor compatibility and narrow application range.
Disclosure of Invention
In order to solve the above problems, the present invention provides a rotary clamping mechanism compatible with various containers, and also provides a cap opening device, which can adopt the following technical scheme:
the invention relates to a multi-container-compatible rotary clamping mechanism, which comprises
The mandrel is used for transmission and is driven to rotate by a first motor;
the sleeve shaft is used for transmission, is sleeved outside the mandrel and is connected with the torque retainer;
a clamping assembly for converting rotary motion to horizontal clamping motion, comprising a timing disk connected to a spindle and a guide slot disk connected to a sleeve spindle, the timing disk and guide slot disk being connected by a link;
when the time sequence disc rotates along with the mandrel, the connecting piece is folded along the guide groove disc under the action of the time sequence disc to clamp the target object, and then when the acting force of the connecting piece on the guide groove disc is larger than the preset value of the torque retainer, the target object, the connecting piece, the guide groove disc and the sleeve shaft rotate along with the time sequence disc.
The mandrel is used for realizing the transmission between the first motor and the timing sequence disc; the torque retainer enables the clamping assembly to maintain a certain clamping force on containers with different diameters through a constant set value, so that the sleeve shaft has the functions of rotating simultaneously with the mandrel and rotating relatively, and the mechanism has the functions of clamping and opening the cover in a rotating mode.
Furthermore, the timing sequence plate is arranged at the bottom of the mandrel, at least two arc-shaped guide grooves are formed in the timing sequence plate, and the center distance between each arc-shaped guide groove and the timing sequence plate is gradually reduced from one end to the other end;
the guide groove disc is arranged below the timing sequence disc and connected with the sleeve shaft, and at least two radial guide structures are arranged on the guide groove disc;
the connecting piece comprises pulleys arranged in the arc-shaped guide groove, the pulleys are connected with the L-shaped connecting piece, a cross arm of the L-shaped connecting piece is arranged along the radial guide structure in a sliding mode, and a longitudinal arm of the L-shaped connecting piece is connected with the clamping arm.
Furthermore, the number of the arc-shaped guide grooves and the number of the radial guide structures are equal to the number of the clamping arms.
Furthermore, the guide groove disc is of a split structure consisting of an upper cover and a lower cover, and a cross arm of the L-shaped connecting piece is positioned between the upper cover and the lower cover.
Furthermore, the guide groove disc is connected with the sleeve shaft through a connecting cover, and the timing sequence disc is located in the connecting cover.
Further, the first motor is directly connected with the mandrel or connected with the mandrel through a first synchronous belt transmission mechanism, and the sleeve shaft is synchronous through a second synchronous belt transmission mechanismBelt/chainThe transmission mechanism is connected with a torque retainer arranged on one side of the mandrel.
Further, the first motor is connected with the mandrel through the torque retainer, and the sleeve shaft is connected with a third synchronous belt transmission mechanism driven by the second motor.
The cover opening device comprises a lifting mechanism, wherein the lifting mechanism is provided with the rotary clamping mechanism compatible with various containers.
And an anti-collision mechanism is arranged between the lifting mechanism and the rotary clamping mechanism compatible with various containers.
The lifting mechanism comprises a backrest plate and a lifting plate which is arranged on the backrest plate and driven by an electric screw rod;
a sleeve shaft of the rotary clamping mechanism compatible with various containers is rotatably connected with a supporting plate positioned above the lifting plate;
the anti-collision mechanism comprises a limiting plate arranged on the backrest plate, a guide rod used for penetrating the supporting plate is arranged between the limiting plate and the lifting plate, a guide sleeve and a return spring are arranged on the guide rod, and a photosensitive sheet used for detecting abnormal rising of the supporting plate is further arranged on the limiting plate.
The rotary clamping mechanism compatible with various containers provided by the invention can clamp and rotate a target object by using the same power source, and the target object can be containers with different pipe diameters, so that the rotary clamping mechanism is compact and ingenious in structure and wide in application range, can realize constant clamping force on the containers with different pipe diameters, and is safe and reliable in clamping; according to the cover opening device provided by the invention, the rotary clamping mechanism compatible with various containers is combined with the lifting mechanism, and the anti-collision mechanism is configured, so that the lifting, screwing and opening of containers of various types can be realized, the cover opening is rapid and safe, the cost is low, the appearance size of detection equipment is small, the detection efficiency is high, and the long-acting stable operation can be realized.
Drawings
Fig. 1 is a schematic structural view of a rotary clamping mechanism compatible with various containers according to the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic view showing a connection structure of the timing plate, the slot guide plate and the coupling member of fig. 1.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 and 6 are schematic structural views of the cap opening device in the invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
The rotary clamping mechanism compatible with various containers comprises a mandrel, a sleeve shaft outside the mandrel and a clamping assembly which is connected with the mandrel and the sleeve shaft and enables the sleeve shaft to rotate only under the condition that certain conditions are met.
Specifically, as shown in fig. 1-4, a first motor 2 is installed at the top of a mandrel 1 as a rotary power source, a sleeve shaft 3 is sleeved outside the mandrel 1, and the sleeve shaft 3 is connected with an external support plate 4 through a bearing. The supporting plate 4 is provided with a torque retainer 5 positioned on one side of the sleeve shaft 3, and a driving wheel 6 arranged on the sleeve shaft 3 is connected with a driven wheel 7 connected with the torque retainer 5 through a synchronous belt 8 (the driving wheel 6, the driven wheel 7 and the synchronous belt 8 form a second synchronous belt transmission mechanism). The clamping assembly connected with the mandrel 1 and the sleeve shaft 3 comprises a time sequence disk 9.1, a guide groove disk 9.2 and a connecting piece, wherein the time sequence disk 9.1 is connected with the bottom of the mandrel 1, three arc-shaped guide grooves a are formed in the time sequence disk 9.1, and the center distance between each arc-shaped guide groove a and the time sequence disk 9.1 is gradually reduced from one end to the other end; the slotted guide plate 9.2 is located below the timing plate 9.1 and is connected with the bottom of the sleeve shaft 3 through a connecting cover 9.3, so that the timing plate 9.1 is located in the connecting cover 9.3. Three radial guide grooves b (namely, radial guide structures, the same below) corresponding to the arc-shaped guide grooves a are formed in the guide groove disc 9.2, an L-shaped connecting piece 9.4 is slidably mounted in each radial guide groove b, a pulley 9.5 located in each arc-shaped guide groove a is mounted on a cross arm of each L-shaped connecting piece 9.4, and a longitudinal arm of each L-shaped connecting piece 9.4 penetrates out of a mounting hole c in the bottom of the guide groove disc 9.2 and is connected with one clamping arm 9.6 (each group of L-shaped connecting pieces 9.4, the pulleys 9.5 and the clamping arms 9.6 form a connecting piece). For convenience of installation and dust prevention, the guide groove disc 9.2 is of a split structure consisting of an upper cover 9.2.1 and a lower cover 9.2.2, the cross arms of the L-shaped connecting piece 9.4 are positioned between the upper cover 9.2.1 and the lower cover 9.2.2, and the number of the mounting holes c is three, and the mounting holes c are radially formed in the lower cover 9.2.2.
When the timing sequence disc works, the clamping arm 9.6 is firstly sleeved on the periphery of a target object, then the first motor 2 is started to enable the mandrel 1 to rotate clockwise, the timing sequence disc 9.1 rotates along with the mandrel, and the pulley 9.5 rotates relative to the arc-shaped guide groove a on the pulley. Because the center distance between the arc-shaped guide groove a and the timing sequence disk 9.1 is gradually reduced from one end to the other end, the pulley 9.5 is gradually close to the center of the timing sequence disk 9.1, and the L-shaped connecting piece 9.4 connected with the pulley 9.5 moves to the center along the radial guide groove b of the guide groove disk 9.2, so that the clamping arm 9.6 connected with the L-shaped connecting piece 9.4 is gradually folded to be in contact with a target object. Due to the action of the torque retainer 5, the sleeve shaft 3 cannot rotate under the condition that the stress is smaller than the preset value, so that although the clamping arms 9.6 clamp the object, the guide groove disc 9.2 and the sleeve shaft 3 cannot be driven to rotate. However, as the timing plate 9.1 continues to rotate, the force of the clamping arms 9.6 on the object is further increased, and when the preset value of the torque retainer 5 is reached, the clamping arms 9.6 can firmly clamp the object and drive the guide slot plate 9.2 and the sleeve shaft 3 to rotate together with the timing plate 9.1. At this time, the driving pulley 6 drives the driven pulley 7 to rotate through the timing belt 8, and the torque holding device 5 keeps idling.
The rotary clamping mechanism compatible with various containers is simple in structure and compact in layout, can be compatible with the uncapping operation of sample tubes (generally phi 12-18 mm) with different tube diameters under the condition of clamping and screwing by using the same power source, is rapid in clamping and constant and safe in clamping force, and can be matched with automatic detection equipment to realize continuous online uncapping of a plurality of sample tubes and a sample support single sample tube.
In actual manufacture, the first motor 2 may drive the rotation of the mandrel 1 through a first timing belt/chain drive mechanism, in addition to being mounted directly on top of the mandrel 1 as shown in fig. 2 (see fig. 2).
In addition, the torque keeper 5 may also be installed at the connection of the first motor 2 and the mandrel 1, in this case, it is necessary to install the second motor 10 at one side of the mandrel 1 and connect the second motor 10 and the sleeve shaft 3 through a third synchronous belt transmission mechanism (see fig. 6).
The uncovering device comprises the rotary clamping mechanism compatible with various containers and a lifting mechanism connected with the rotary clamping mechanism. In order to reduce the damage rate of the equipment, a collision avoidance mechanism can be arranged between the two.
Specifically, as shown in fig. 5 and 6, the lifting mechanism includes a back board 11, on which a lifting board 13 driven by an electric screw 12 is mounted, a fixed limiting board 14 is disposed above the lifting board 13, a guide rod 15 with a guide sleeve and a return spring is mounted between the lifting board 13 and the guide rod, and the guide rod 15 is connected to a support plate 4 of a rotary clamping mechanism compatible with various containers in a sleeved manner. The limit plate 14 is also provided with a photosensitive sheet 16 for detecting abnormal rising of the support plate 4.
During operation, under normal conditions, due to the action of external vertical driving force, the supporting plate 4 of the rotary clamping mechanism compatible with various containers can descend to a proper height along with the lifting plate 12, so that the clamping arms 9.6 are sleeved on the periphery of a target object, and the target object is opened. Under abnormal conditions, if the object is not placed at the preset position, the clamping arms 9.6 contact with the object with the first time along with the descending of the lifting plate 13, so that the supporting plate 4 is separated from the lifting plate 12, the supporting plate 4 moves upwards relatively, the return spring on the guide rod 14 is compressed, and meanwhile, the photosensitive piece 15 detects the condition and triggers the sensor to prompt that the instrument is abnormal, so that related components are protected from being damaged.
The cover opening device adopts a modular design, and is convenient to assemble, manufacture, maintain and repair.
Claims (10)
1. A rotary clamping mechanism compatible with multiple containers is characterized in that: comprises that
A spindle driven to rotate by a first motor;
the sleeve shaft is sleeved outside the mandrel and connected with the torque retainer;
the clamping assembly comprises a time sequence disc connected with the core shaft and a guide groove disc connected with the sleeve shaft, and the time sequence disc and the guide groove disc are connected through a connecting piece;
when the time sequence disc rotates along with the mandrel, the connecting piece is folded along the guide groove disc under the action of the time sequence disc to clamp the target object, and then when the acting force of the connecting piece on the guide groove disc is larger than the preset value of the torque retainer, the target object, the connecting piece, the guide groove disc and the sleeve shaft rotate along with the time sequence disc.
2. The multi-container compatible rotary clamping mechanism of claim 1, further comprising:
the time sequence disc is arranged at the bottom of the mandrel, at least two arc guide grooves are formed in the time sequence disc, and the center distance between each arc guide groove and the time sequence disc is gradually reduced from one end to the other end;
the guide groove disc is arranged below the timing sequence disc and connected with the sleeve shaft, and at least two radial guide structures are arranged on the guide groove disc;
the connecting piece comprises pulleys arranged in the arc-shaped guide groove, the pulleys are connected with the L-shaped connecting piece, a cross arm of the L-shaped connecting piece is arranged along the radial guide structure in a sliding mode, and a longitudinal arm of the L-shaped connecting piece is connected with the clamping arm.
3. The multi-container compatible rotary clamping mechanism of claim 2, further comprising: the number of the arc-shaped guide grooves and the number of the radial guide structures are equal to that of the clamping arms correspondingly.
4. The multi-container compatible rotary clamping mechanism of claim 2, further comprising: the guide groove disc is of a split structure consisting of an upper cover and a lower cover, and a cross arm of the L-shaped connecting piece is positioned between the upper cover and the lower cover.
5. The multi-container compatible rotary clamping mechanism of claim 2, further comprising: the guide groove disc is connected with the sleeve shaft through a connecting cover, and the timing sequence disc is located in the connecting cover.
6. The multi-container compatible rotary clamping mechanism of claim 1, further comprising: the first motor is directly connected with the mandrel or connected with the mandrel through a first synchronous belt/chain transmission mechanism, and the sleeve shaft is connected with a torque retainer arranged on one side of the mandrel through a second synchronous belt transmission mechanism.
7. The multi-container compatible rotary clamping mechanism of claim 1, further comprising: the first motor is connected with the mandrel through the torque retainer, and the sleeve shaft is connected with a third synchronous belt transmission mechanism driven by the second motor.
8. A device uncaps which characterized in that: comprises a lifting mechanism provided with a multi-container compatible rotary clamping mechanism according to any one of claims 1 to 7.
9. The door uncapping apparatus according to claim 8, wherein: and an anti-collision mechanism is arranged between the lifting mechanism and the rotary clamping mechanism compatible with various containers.
10. The door uncovering device according to claim 9, wherein:
the lifting mechanism comprises a backrest plate and a lifting plate which is arranged on the backrest plate and driven by an electric screw rod;
a sleeve shaft of the rotary clamping mechanism compatible with various containers is rotatably connected with a supporting plate positioned on the lifting plate;
the anti-collision mechanism comprises a limiting plate arranged on the backrest plate, a guide rod used for penetrating the supporting plate is arranged between the limiting plate and the lifting plate, a guide sleeve and a return spring are arranged on the guide rod, and a photosensitive sheet used for detecting abnormal rising of the supporting plate is further arranged on the limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934201.4A CN111977589A (en) | 2020-09-08 | 2020-09-08 | Rotary clamping mechanism compatible with various containers and cover opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934201.4A CN111977589A (en) | 2020-09-08 | 2020-09-08 | Rotary clamping mechanism compatible with various containers and cover opening device |
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| Publication Number | Publication Date |
|---|---|
| CN111977589A true CN111977589A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010934201.4A Pending CN111977589A (en) | 2020-09-08 | 2020-09-08 | Rotary clamping mechanism compatible with various containers and cover opening device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111977589A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291513A (en) * | 2021-05-27 | 2021-08-24 | 中山市德宇自动化科技有限公司 | Cover twisting device and hose cover twisting equipment |
| CN114835073A (en) * | 2022-04-11 | 2022-08-02 | 苏州新实医疗科技有限公司 | Clamping detection device, clamping equipment with same and cover opening and closing device |
| JP2022178539A (en) * | 2021-05-20 | 2022-12-02 | 株式会社椿本チエイン | decapping device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609348A (en) * | 2015-01-26 | 2015-05-13 | 长春迪瑞医疗科技股份有限公司 | Automatic cover opening device for sample container |
| CN207603102U (en) * | 2017-10-10 | 2018-07-10 | 柯劳克德事隆（江苏）电气连接科技有限公司 | Clamping device and the cable insulation cutting apparatus using clamping device |
| CN208744324U (en) * | 2018-09-14 | 2019-04-16 | 珠海格力智能装备有限公司 | Clamping jaw structure and clamp with same |
| CN212403418U (en) * | 2020-09-08 | 2021-01-26 | 安图实验仪器(郑州)有限公司 | Rotary clamping mechanism compatible with various containers and cover opening device |
-
2020
- 2020-09-08 CN CN202010934201.4A patent/CN111977589A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609348A (en) * | 2015-01-26 | 2015-05-13 | 长春迪瑞医疗科技股份有限公司 | Automatic cover opening device for sample container |
| CN207603102U (en) * | 2017-10-10 | 2018-07-10 | 柯劳克德事隆（江苏）电气连接科技有限公司 | Clamping device and the cable insulation cutting apparatus using clamping device |
| CN208744324U (en) * | 2018-09-14 | 2019-04-16 | 珠海格力智能装备有限公司 | Clamping jaw structure and clamp with same |
| CN212403418U (en) * | 2020-09-08 | 2021-01-26 | 安图实验仪器(郑州)有限公司 | Rotary clamping mechanism compatible with various containers and cover opening device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022178539A (en) * | 2021-05-20 | 2022-12-02 | 株式会社椿本チエイン | decapping device |
| JP7284409B2 (en) | 2021-05-20 | 2023-05-31 | 株式会社椿本チエイン | decapping device |
| CN113291513A (en) * | 2021-05-27 | 2021-08-24 | 中山市德宇自动化科技有限公司 | Cover twisting device and hose cover twisting equipment |
| CN114835073A (en) * | 2022-04-11 | 2022-08-02 | 苏州新实医疗科技有限公司 | Clamping detection device, clamping equipment with same and cover opening and closing device |
| CN114835073B (en) * | 2022-04-11 | 2024-01-12 | 苏州新实医疗科技有限公司 | Clamping detection device and clamping equipment with same and cover opening and closing device |
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Country or region after: China Address after: 450016 No.199, Jingkai 15th Street, Zhengzhou Economic and Technological Development Zone, Henan Province Applicant after: AUTOBIO LABTEC INSTRUMENTS Co.,Ltd. Address before: No. 199, 15th Street, economic and Technological Development Zone, Zhengzhou City, Henan Province Applicant before: AUTOBIO LABTEC INSTRUMENTS Co.,Ltd. Country or region before: China |