CN216746665U - Centrifuging tube leakproofness is testing arrangement in batches - Google Patents
Centrifuging tube leakproofness is testing arrangement in batches Download PDFInfo
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- CN216746665U CN216746665U CN202220365229.5U CN202220365229U CN216746665U CN 216746665 U CN216746665 U CN 216746665U CN 202220365229 U CN202220365229 U CN 202220365229U CN 216746665 U CN216746665 U CN 216746665U
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Abstract
The utility model belongs to the technical field of centrifugal tube detection, and particularly relates to a batch testing device for tightness of centrifugal tubes. The device comprises: a placing seat suitable for placing a centrifugal tube; the sucking and hanging mechanism is suitable for sucking the centrifugal tube on the placing seat; the test box is provided with a through hole matched with the centrifugal tube; the supporting mechanism is arranged in the through hole and is suitable for supporting the centrifugal tube; the sealing mechanism is suitable for sealing the through hole and exhausting the through hole; and the air pressure detection assembly is arranged in the sealing mechanism and is suitable for sending a through hole air pressure signal. This device passes through sealing mechanism and forms the negative pressure around each centrifuging tube, carries out the leakproofness test, when the not enough production of centrifuging tube leakproofness leaks gas, atmospheric pressure detecting element detects atmospheric pressure rise around the corresponding centrifuging tube, and accessible bearing mechanism stops the support to corresponding centrifuging tube to get rid of the not good centrifuging tube of leakproofness.
Description
Technical Field
The utility model belongs to the technical field of centrifugal tube detection, and particularly relates to a batch testing device for the tightness of centrifugal tubes.
Background
The loop-mediated isothermal amplification technology is a new nucleic acid amplification method, which mainly depends on strand displacement DNA polymerase, 4 specific primers designed aiming at 6 regions of a target gene and a proper reaction solution to realize exponential nucleic acid amplification under isothermal conditions (about 63 ℃).
The loop-mediated isothermal amplification technology has high sensitivity, and when the cleanliness of the environment is insufficient, pollutants are easily mixed in the process of adding the reagent into the reaction container, and false positive occurs. The influence of environmental cleanliness on loop-mediated isothermal amplification can be reduced by putting reagents used for amplification into a centrifuge tube in advance, wherein the tightness of the centrifuge tube is important for maintaining the cleanness of the preset reagents, but equipment capable of performing batch test on the tightness of the centrifuge tube is absent at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for testing the sealing performance of centrifugal tubes in batches, which solves the technical problem that equipment capable of testing the sealing performance of the centrifugal tubes in batches is lacked at present.
In order to solve the technical problem, the utility model provides a device for testing the sealing performance of centrifugal tubes in batches, which comprises: a placing seat suitable for placing a centrifugal tube; the sucking and hanging mechanism is suitable for sucking the centrifugal tube on the placing seat; the test box is provided with a through hole matched with the centrifugal tube; the supporting mechanism is arranged in the through hole and is suitable for supporting the centrifugal tube; the sealing mechanism is suitable for sealing the through hole and exhausting the through hole; the air pressure detection assembly is arranged in the sealing mechanism and is suitable for sending a through hole air pressure signal; and the control module is suitable for controlling the suction and lifting mechanism to suck and lift the centrifugal tube into the through hole and control the sealing mechanism to exhaust the through hole and receive the air pressure signal of the through hole to control the corresponding bearing mechanism to stop bearing the centrifugal tube when the air pressure signal of the through hole rises to a preset threshold value.
Further, the suction and hanging mechanism comprises: a guide rail; the suction hanging electric sliding block is arranged on the guide rail; the suction hanging cylinder is fixedly connected to the suction hanging electric sliding block; the suction and lifting integrated frame is of a hollow structure and is fixedly connected with the extending end of the suction and lifting cylinder; the suction nozzle is arranged on the suction and suspension integrated frame and is communicated with the suction and suspension integrated frame; the suction and lifting air pump is communicated with the air outlet of the suction and lifting integrated frame; the control module is suitable for control inhale and hang the aspiration pump and start, and control inhale and hang the cylinder and stretch out to adsorb the centrifuging tube, inhale with control and hang the cylinder and withdraw, and control inhale and hang the electronic slider start, in order to hang the centrifuging tube extremely the top of test box to put into in the corresponding through-hole.
Further, the sealing mechanism includes: a sealing electric slider arranged on the guide rail; the upper sealing cylinder is fixedly connected to the sealing electric sliding block; the upper sealing cover is fixedly connected to the extending end of the upper sealing cylinder and is provided with a cavity matched with the through hole; the sealing air pump is communicated with the cavity of the upper sealing cover; a lower sealing cylinder disposed below the test box; the lower sealing plate is provided with a sealing cover matched with the through hole; the control module is suitable for controlling the sealed electric sliding block to be started so as to move the upper sealing cover to the upper part of the test box, control the upper sealing cylinder to stretch out, enable the upper sealing cover to be tightly abutted to the upper surface of the test box, control the lower sealing cylinder to stretch out, enable the sealing cover to be tightly abutted to the lower surface of the test box, seal the through hole, and control the sealed air suction pump to be started to suck air from the through hole.
Further, the racking mechanism includes: the annular air bag is arranged in the through hole and is suitable for clamping the centrifugal tube on the upper section of the through hole; the supporting electromagnetic valve is arranged in the accommodating cavity in the through hole and is communicated with the annular air bag; the bearing integrated frame is of a hollow structure and is communicated with the bearing electromagnetic valve; the bearing air pump is communicated with the bearing integrated frame; the bearing air pump is communicated with the bearing integrated frame; control module is suitable for control the bearing solenoid valve is opened, and control the bearing air pump starts to make annular gasbag aerify the bearing centrifuging tube, and control after bearing solenoid valve and bearing air pump are closed, start the bearing aspiration pump, and receiving through-hole atmospheric pressure signal rises to control corresponding bearing solenoid valve and open when predetermineeing the threshold value, so that corresponding annular gasbag shrink.
Further, the air pressure detecting assembly includes: and the air pressure sensor is arranged in the sealing cover and is suitable for sending the air pressure signal of the through hole.
Further, the lower sealing cylinder is arranged on the discharging rotating seat; the control module is suitable for the sealed cylinder shrink back down, control the blowing roating seat rotates to the centrifuging tube discharge that will fall into the sealed cowling.
The centrifugal tube sealing device has the advantages that the technical problem that equipment capable of testing the sealing performance of centrifugal tubes in batches is absent at present is solved, centrifugal tubes in the placing seats can be hung into the testing box through the sucking and hanging mechanism, negative pressure is formed around each centrifugal tube through the sealing mechanism for testing the sealing performance, when the sealing performance of the centrifugal tubes is insufficient and air leakage is generated, the air pressure detection assembly detects that the air pressure around the corresponding centrifugal tube rises, the supporting mechanism can stop supporting the corresponding centrifugal tube, and therefore the centrifugal tubes with poor sealing performance are removed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first schematic structural diagram of a centrifuge tube sealing performance batch testing apparatus according to the present invention;
FIG. 2 is a first cross-sectional view of the centrifuge tube sealability batch testing apparatus of the present invention;
FIG. 3 is a second cross-sectional view of the centrifuge tube sealability batch testing apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a centrifuge tube sealing performance batch test apparatus of the present invention;
FIG. 5 is a control block diagram of the centrifuge tube sealing performance batch test apparatus of the present invention;
in the figure:
a placing seat 100;
the suction and hoisting mechanism 200, the guide rail 210, the suction and hoisting electric slide block 220, the suction and hoisting cylinder 230, the suction and hoisting integrated frame 240, the suction nozzle 250 and the suction and hoisting air pump 260;
the test box 300, the through hole 310 and the accommodating cavity 311;
the supporting mechanism 400, the annular air bag 410, the supporting electromagnetic valve 420, the supporting integrated frame 430, the supporting air pump 440 and the supporting air pump 450;
the sealing mechanism 500, the sealing electric slider 510, the upper sealing cylinder 520, the upper sealing cover 530, the cavity 531, the sealing air pump 540, the lower sealing cylinder 550, the lower sealing plate 560 and the sealing cover 561;
an air pressure detection assembly 600, an air pressure sensor 610;
a discharging rotary base 700;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments based on the embodiments of the present invention, which can be realized by a person skilled in the art without any inventive step, are within the scope of the present invention.
Examples
As shown in fig. 1, the present invention provides a centrifuge tube sealing performance batch test apparatus, which includes: a placement base 100 adapted to place a centrifuge tube; a suction and hanging mechanism 200 adapted to suck the centrifugal tube on the placing base 100; the test box 300 is provided with a through hole 310 matched with the centrifugal tube; referring to fig. 2, a holding mechanism 400, disposed in the through hole 310, adapted to hold a centrifuge tube; a sealing mechanism 500 adapted to seal the through-hole 310 and to evacuate the through-hole 310; an air pressure detecting assembly 600 disposed within the sealing mechanism 500 and adapted to transmit a through-hole air pressure signal; referring to fig. 5, a control module adapted to control the sucking and hanging mechanism 200 to suck and hang the centrifugal tube into the through hole 310, and control the sealing mechanism 500 to suck air into the through hole 310, and control the corresponding supporting mechanism 400 to stop supporting the centrifugal tube when the through hole air pressure signal is received and then raised back to the preset threshold. In this embodiment, the control module may adopt a PLC module.
This device hangs mechanism 200 through inhaling and can hang into test box 300 with centrifuge tube 800 who places in the seat 100 to form the negative pressure around each centrifuge tube through sealing mechanism 500, carry out the leakproofness test, when the not enough production gas leakage of centrifuge tube leakproofness, atmospheric pressure detection subassembly 600 detects atmospheric pressure lift back around the corresponding centrifuge tube, and accessible bearing mechanism 400 stops the support to corresponding centrifuge tube, thereby gets rid of the not good centrifuge tube of leakproofness.
As shown in fig. 1, the suction and suspension mechanism 200 may include: a guide rail 210; a suction-suspension electric slider 220 provided on the guide rail 210; a suction-hoisting cylinder 230 fixedly connected to the suction-hoisting electric slider 220; the suction and hoisting integrated frame 240 is of a hollow structure and is fixedly connected with the extending end of the suction and hoisting cylinder 230; a suction nozzle 250 disposed on the suction and suspension integrated frame 240 and communicating therewith; a suction and suspension air pump 260 communicated with the air outlet of the suction and suspension integrated frame 240; control module is suitable for control inhale and hang aspiration pump 260 and start, and control inhale and hang cylinder 230 and stretch out to adsorb the centrifuging tube, and control inhales and hang cylinder 230 and withdraw, and control inhale and hang electronic slider 220 and start, in order to hang the centrifuging tube extremely the top of test box 300, the cylinder 230 that hangs is inhaled in the re-control stretches out, and control inhales and hangs aspiration pump 260 and stops, puts into corresponding through-hole 310 with the centrifuging tube, refer to figure 2, behind each centrifuging tube entering through-hole 310, can be held the upper segment at through-hole 310 by bearing mechanism 400 card. In this embodiment, the suction crane pump 260 may be a VP-15S type pump.
As shown in fig. 1, the sealing mechanism 500 may include: a sealing motor slider 510 disposed on the guide rail 210; an upper sealing cylinder 520 fixed to the sealing electric slider 510; an upper sealing cover 530 fixedly connected to an extending end of the upper sealing cylinder 520 and having a cavity 531 adapted to the through hole 310; a seal suction pump 540 communicating with the cavity 531 of the upper seal cap 530; a lower sealing cylinder 550 disposed below the test chamber 300; a lower sealing plate 560 provided with a sealing cap 561 fitted to the through-hole 310; the control module is adapted to control the sealing electric slider 510 to start, so as to move the upper sealing cover 530 to the upper side of the testing box 300, control the upper sealing cylinder 520 to extend out, enable the upper sealing cover 530 to abut against the upper surface of the testing box 300, control the lower sealing cylinder 550 to extend out, enable the sealing cover 561 to abut against the lower surface of the testing box 300, so as to seal the through hole 310, and control the sealing air pump 540 to start, so as to pump air to the through hole 310. Referring to fig. 2, the cavities 531 on the upper sealing cover 530 and the sealing covers 561 on the lower sealing plate 560 correspond to the through holes 310 one-to-one, the upper sealing cover 530 abuts against the upper surface of the test box 300, the sealing covers 561 abut against the lower surface of the test box 300, and then separate test cavities can be formed, after the sealing air pump 540 is started, the test cavities are switched to a negative pressure state, if the sealing performance of the centrifugal tube is insufficient, air leakage occurs, and accordingly the air pressure signals of the through holes are raised. In this embodiment, the seal pump 540 may also be a VP-15S pump.
As shown in fig. 3, the racking mechanism 400 may include: an annular air bag 410, which is arranged in the through hole 310 and is suitable for clamping the centrifugal tube at the upper section of the through hole 310; a holding solenoid valve 420 disposed in the receiving chamber 311 in the through hole 310 and communicating with the annular bladder 410; the bearing integrated frame 430 is of a hollow structure and is communicated with the bearing electromagnetic valve 420; a bearing air pump 440 communicated with the bearing integrated frame 430; a backing pump 450 in communication with the backing manifold 430; control module is suitable for control bearing solenoid valve 420 opens, and control bearing air pump 440 starts to make annular gasbag 410 aerify the bearing centrifuging tube, and control bearing solenoid valve 420 and bearing air pump 440 close, and annular gasbag 410 is in the gas filled state this moment, can be at the upper segment at through-hole 310 with centrifuge tube 800 card, later control module starts bearing aspiration pump 450, when the not enough appearance gas leakage of centrifuging tube leakproofness, corresponding through-hole atmospheric pressure signal rises back, if rise back to predetermineeing the threshold value, corresponding bearing solenoid valve 420 of control module control is opened, the shrink that corresponding annular gasbag 410 loses heart, corresponding centrifuging tube whereabouts to fall in sealed cowling 561. In this embodiment, the support solenoid valve 420 may be a SDF-051923-12A63 type solenoid valve.
As shown in fig. 2, in the present embodiment, the air pressure detecting assembly 600 includes: a gas pressure sensor 610 disposed within the sealed housing 561 and adapted to transmit the through-hole gas pressure signal. In this embodiment, the barometric sensor 610 may be an MS5803-05BA micro barometric sensor.
As shown in fig. 1 and 4, the lower sealing cylinder 550 may be disposed on the discharging rotary seat 700; the control module is adapted to control the emptying rotary seat 700 to rotate after the lower sealing cylinder 550 is contracted, so as to discharge the centrifuge tube falling into the sealing cover 561.
In summary, according to the centrifuge tube sealing performance batch test device provided by the utility model, the centrifuge tubes in the placing seats can be hung into the test box through the sucking and hanging mechanism, negative pressure is formed around each centrifuge tube through the sealing mechanism, and a sealing performance test is performed.
The PLC module, the VP-15S type air pump, the SDF-051923-12A63 type electromagnetic valve and the MS5803-05BA miniature air pressure sensor which are selected and used in the application are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the PLC module, the VP-15S type air pump, the SDF-051923-12A63 type electromagnetic valve and the MS5803-05BA miniature air pressure sensor can be known by technicians in the field or by conventional experimental methods. Also, the present application is not directed to any improvement in software programs.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a centrifuging tube leakproofness batch test device which characterized in that includes:
a placing seat (100) suitable for placing a centrifugal tube;
a suction and hanging mechanism (200) which is suitable for sucking the centrifugal tube on the placing seat (100);
the test box (300) is provided with a through hole (310) matched with the centrifugal tube;
the supporting mechanism (400) is arranged in the through hole (310) and is suitable for supporting the centrifugal tube;
a sealing mechanism (500) adapted to seal the through-hole (310) and to evacuate the through-hole (310);
an air pressure detection assembly (600) disposed within the sealing mechanism (500) adapted to transmit a through-hole air pressure signal;
control module, it is suitable for control inhale and hang into through-hole (310) with centrifuge tube is inhaled to hang mechanism (200), and control sealing mechanism (500) are bled through-hole (310), and are receiving through-hole atmospheric pressure signal rises back to and controls corresponding bearing mechanism (400) and stop bearing centrifuge tube when predetermineeing the threshold value.
2. The centrifuge tube sealability batch testing apparatus of claim 1 wherein,
the suction and lifting mechanism (200) comprises:
a guide rail (210);
a suction-suspension electric slider (220) provided on the guide rail (210);
the suction hanging cylinder (230) is fixedly connected to the suction hanging electric sliding block (220);
the suction and lifting integrated frame (240) is of a hollow structure and is fixedly connected to the extending end of the suction and lifting cylinder (230);
the suction nozzle (250) is arranged on the suction and suspension integrated frame (240) and communicated with the suction and suspension integrated frame;
the suction and hoisting air pump (260) is communicated with an air outlet of the suction and hoisting integrated frame (240);
the control module is suitable for control inhale and hang aspiration pump (260) and start, and control inhale and hang cylinder (230) and stretch out to adsorb the centrifuging tube, and control inhale and hang cylinder (230) and withdraw, and control inhale and hang electronic slider (220) of hanging and start, with hang the centrifuging tube extremely the top of test box (300), and put into corresponding through-hole (310).
3. The centrifuge tube sealability batch testing apparatus of claim 2,
the sealing mechanism (500) comprises:
a sealing electric slider (510) provided on the guide rail (210);
an upper sealing cylinder (520) fixed to the sealing electric slider (510);
the upper sealing cover (530) is fixedly connected to the extending end of the upper sealing cylinder (520) and is provided with a cavity (531) matched with the through hole (310);
a seal suction pump (540) which communicates with a cavity (531) of the upper seal cover (530);
a lower sealing cylinder (550) disposed below the test box (300);
a lower sealing plate (560) provided with a sealing cover (561) fitted to the through hole (310);
the control module is suitable for controlling the sealing electric sliding block (510) to be started so as to move the upper sealing cover (530) to the upper side of the test box (300), and controlling the upper sealing air cylinder (520) to extend out, so that the upper sealing cover (530) abuts against the upper surface of the test box (300), the lower sealing air cylinder (550) is controlled to extend out, the sealing cover (561) abuts against the lower surface of the test box (300), so that the through hole (310) is sealed, and the sealing air suction pump (540) is controlled to be started to suck air from the through hole (310).
4. The centrifuge tube sealability batch testing apparatus of claim 3 wherein,
the racking mechanism (400) comprises:
an annular air bag (410) arranged in the through hole (310) and suitable for clamping the centrifugal tube on the upper section of the through hole (310);
a holding solenoid valve (420) disposed in the accommodation chamber (311) within the through hole (310) and communicating with the annular air bag (410);
the bearing integrated frame (430) is of a hollow structure and is communicated with the bearing electromagnetic valve (420);
a bearing air pump (440) communicated with the bearing integrated frame (430);
a bearing suction pump (450) in communication with the bearing integration shelf (430);
control module is suitable for control bearing solenoid valve (420) are opened, and control bearing air pump (440) start to make annular gasbag (410) aerify the bearing centrifuging tube, and control bearing solenoid valve (420) and bearing air pump (440) close the back, start bearing aspiration pump (450), and receiving through-hole atmospheric pressure signal rises back to and controls corresponding bearing solenoid valve (420) and open when predetermineeing the threshold value, so that corresponding annular gasbag (410) shrink.
5. The centrifuge tube sealability batch testing apparatus of claim 4 wherein,
the air pressure detection assembly (600) comprises:
a barometric sensor (610) disposed within the sealed enclosure (561) adapted to transmit the through-hole barometric signal.
6. The centrifuge tube sealability batch testing apparatus of claim 5 wherein,
the lower sealing cylinder (550) is arranged on the discharging rotating seat (700);
the control module is suitable for controlling the discharging rotating seat (700) to rotate after the lower sealing air cylinder (550) contracts so as to discharge the centrifugal tube falling into the sealing cover (561).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220365229.5U CN216746665U (en) | 2022-02-18 | 2022-02-18 | Centrifuging tube leakproofness is testing arrangement in batches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220365229.5U CN216746665U (en) | 2022-02-18 | 2022-02-18 | Centrifuging tube leakproofness is testing arrangement in batches |
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| CN216746665U true CN216746665U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220365229.5U Active CN216746665U (en) | 2022-02-18 | 2022-02-18 | Centrifuging tube leakproofness is testing arrangement in batches |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073930A (en) * | 2023-10-19 | 2023-11-17 | 苏州尚驰机械有限公司 | Tightness detection device of honeycomb sealing element |
-
2022
- 2022-02-18 CN CN202220365229.5U patent/CN216746665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073930A (en) * | 2023-10-19 | 2023-11-17 | 苏州尚驰机械有限公司 | Tightness detection device of honeycomb sealing element |
| CN117073930B (en) * | 2023-10-19 | 2024-01-30 | 苏州尚驰机械有限公司 | Tightness detection device of honeycomb sealing element |
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