Batch type removing and cleaning auxiliary device for EP pipes

Abstract

The utility model discloses a batch type removing and cleaning auxiliary device for EP pipes. The batch type removing and cleaning auxiliary device comprises a base table, a vertical lifting unit, a batch clamping unit, a visual sensor and a removing and cleaning processing unit. After the clear liquid is completely pumped, the handle can be manually lifted, and the elastic clamping head gets close to the middle under the action of the connecting rod, so that the clamping state of the elastic clamping head and the clamping groove is released, and the disc-shaped batch body is separated from the bearing body on the base table; and then, the bearing body can be coaxially fixed on the rotating shaft of the centrifugal machine in advance, namely, the disc-shaped batch-loading body can be directly clamped on the bearing body of the centrifugal machine, so that batch-type rapid clamping is completed, and the problems that in the prior art, centrifugal operation needs to be carried out after cleaning, and a conventional operation method is that the EP pipes are mounted on a loading table of the centrifugal machine one by one; and the process consumes a large amount of transfer time. In addition, through the batch type unified supernatant suction and discarding operation achieved by means of the supernatant removal processing unit, the EP pipe suction efficiency is substantially improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model belongs to EP pipe technical field, more particularly, relate to a kind of batch type auxiliary device for EP pipe. BACKGROUND

[0002] Mini centrifuge tube, a small centrifuge tube, also known as EP (eppendorf) tube, can be used with mini centrifuge, for the separation of micro reagent, micro centrifuge tube centrifugal EP tube is indispensable experimental equipment for molecular biology experiment, especially for the extraction of DNA or RNA, it is a kind of extremely strong experimental equipment for consumption. At present, during use, it is difficult for staff to accurately control supernatant and sediment filtration operation, and the number of EP tubes required in some experiments is relatively large, and the time consumed by manually sucking supernatant one by one is long, and it also needs to be noted that pipette needle cannot touch the precipitate, and the operation is not simple. Therefore, an auxiliary device for conveniently and accurately sucking and discarding supernatant is proposed, which is of great significance for improving work efficiency and quality.

[0003] In order to solve the above technical problems, the utility model discloses an EP tube easy to separate supernatant, which comprises a pipe body, a connecting piece fixedly connected to the side wall of the pipe body, and a pipe cover fixedly connected to one end of the connecting piece. The pipe body comprises a straight pipe part and a tapered pipe part. An inner tube is sleeved in the inner part of the pipe body and is a hollow cylinder with upper and lower openings. A filtrate membrane is fixedly connected to the bottom of the inner tube, and a pull line is installed at the top end of the inner tube. In the utility model, the inner tube, the filtrate membrane and the pull line cooperate with each other to filter out the supernatant and the precipitate. This not only avoids the long time consumed by manually sucking the supernatant one by one when the number is large, but also avoids the pipette needle from touching the precipitate. The operation is simple, convenient and practical.

[0004] The above patent technology improves the work efficiency of sucking and discarding supernatant to a certain extent by improving the EP tube itself, but still has the following technical problems: (1) the above patent technology improves the suction efficiency of a single EP tube, but does not disclose a batch processing method, so there is still room for improvement in processing speed; (2) after cleaning, centrifugation operation is required. The conventional operation method is to install the EP tube on the centrifuge loading table one by one, and then take it down one by one. This process consumes a lot of transfer time, so from the tooling point of view, batch clamping of EP tubes can be realized to facilitate post-cleaning operation. UTILITY MODEL CONTENTS

[0005] In view of the above defects or improvement needs of the prior art, the utility model provides a kind of batch formula for EP tube's auxiliary device of removing clear, after the completion of clear liquid extraction, can be pulled by hand the handle, under the action of connecting rod, elastic clamp head is to the middle, to release the jammed state with the clamping groove, so that disc batch body separates from the carrier on base station;Subsequently, the coaxial fixed carrier on centrifuge shaft can be in advance, disc batch body can be directly clamped to centrifuge carrier, to complete batch formula fast clamping, solve the technical problem that in prior art, after removing clear, need to carry out centrifugal operation, conventional operation method is to install EP tube to centrifuge loading platform one by one, then need to take down one by one, this process consumes a lot of transit time;In addition, the batch formula unified suction operation of supernatant realized by this removing clear processing unit has substantially improved the EP tube suction efficiency.

[0006] In order to achieve the above object, a kind of batch formula for EP tube's auxiliary device of removing clear, comprising:

[0007] base station, vertical lifting unit is arranged in the two sides of the base station, the batch clamping unit for positioning EP tube is arranged on the center of the upper surface of the base station, visual sensor is arranged on the upper surface of the base station to monitor the supernatant height in each EP tube, removing clear processing unit is arranged on the output end of the vertical lifting unit and is used to suck the supernatant in the EP tube in the batch clamping unit below;

[0008] The batch clamping unit includes base carrier assembly composed of disc batch body provided with EP tube mounting hole and carrier fixed on the center of the upper surface of the base station, and clamping locking assembly for mutual clamping and fixing between the disc batch body and the carrier.

[0009] The removing clear processing unit includes main disc fixedly connected with the output end of the vertical lifting unit transversely, and suction assembly arranged on the lower surface of the main disc in position with the EP tube mounting hole in the disc batch body;Front push motor for controlling suction height is arranged between the suction assembly and the main disc.

[0010] Preferably, the vertical lifting unit includes:

[0011] drive motor is fixed to the side of the base station, transmission screw rod is coaxially fixedly connected with the drive motor output shaft in vertical direction, and transmission nut is threadedly driven with the transmission screw rod.

[0012] Preferably, the EP tube mounting hole includes: elastoplastic material clamping part arranged on the side.

[0013] Preferably, the clamping locking assembly includes:

[0014] A lower protrusion is arranged at the center of the lower surface of the disc-shaped batch body, an inner recess is arranged at the center of the upper surface of the bearing body and is inserted into the lower protrusion, an elastic clamp and a clamping groove are arranged at the two sides of the lower protrusion and the inner side of the inner recess respectively, a through sliding hole is arranged at the center of the lower protrusion, a sliding rod is in sliding connection with the through sliding hole, a connecting rod is in rotational connection with the lower end of the sliding rod and the lower end of the elastic clamp respectively, and a handle is fixed to the upper end of the sliding rod.

[0015] By manually pulling the handle, the elastic clamp is moved to the middle under the action of the connecting rod to release the clamping state with the clamping groove.

[0016] Preferably, the clamping and locking assembly comprises a handle arranged above the handle.

[0017] Preferably, the suction assembly comprises:

[0018] A liquid suction pipe is fixedly connected with the output end of the forward pushing motor, a suction guide pipe is connected with the liquid suction pipe, and a negative pressure machine is connected with the outer end of the suction guide pipe.

[0019] A liquid suction needle is detachably connected with the front end of the liquid suction pipe.

[0020] Preferably, a rotational connection part is arranged between the main body disc and the transmission nut to facilitate the replacement of the liquid suction needle.

[0021] By manually reversing the main body disc, the liquid suction needle is directed upward to facilitate the replacement operation.

[0022] Compared with the prior art, the above technical scheme of the utility model can achieve the following beneficial effects:

[0023] (1) The batch type auxiliary device for EP tube can sense the height of the interface between the clear liquid and the impure liquid in the EP tube through the visual sensor, control the forward pushing motor corresponding to the EP tube to be lowered to an appropriate height, prevent the liquid suction needle from being inserted into the EP tube too deeply or too shallowly, cause the incomplete extraction of the clear liquid or the mis-extraction of the lower liquid section, and then start the negative pressure machine to suck the clear liquid into the liquid suction pipe, thereby realizing the batch type unified suction and disposal of the supernatant by means of the clear liquid processing unit, and substantially improving the suction efficiency of the EP tube.

[0024] (2) The present invention provides a batch cleaning auxiliary device for EP tubes. After the cleaning liquid is removed, the handle can be manually pulled, and under the action of the connecting rod, the elastic clamp head moves towards the middle to release the jamming state with the slot, so that the disc-shaped batch packing body is separated from the carrier on the base. Then, the carrier on the centrifuge shaft can be fixed coaxially in advance, so that the disc-shaped batch packing body can be directly clamped onto the centrifuge carrier, thereby completing the batch quick clamping. This solves the technical problem in the prior art that after cleaning, centrifugation is required. The conventional operation method is to install EP tubes one by one onto the centrifuge loading table, and then remove them one by one. This process consumes a lot of transfer time. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of a batch cleaning auxiliary device for EP tubes according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the suction component structure of a batch cleaning auxiliary device for EP tubes according to an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the base support component structure of a batch cleaning auxiliary device for EP tubes according to an embodiment of the present invention.

[0028] Figure 4 This is a schematic diagram of the cross-sectional structure of the EP tube mounting hole in a batch cleaning auxiliary device for EP tubes according to an embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the cross-sectional structure of a batch mounting unit for a batch cleaning auxiliary device for EP tubes according to an embodiment of the present invention;

[0030] Figure 6 A partial enlarged view A is provided for a batch cleaning auxiliary device for EP tubes according to an embodiment of this utility model.

[0031] In all the drawings, the same reference signs refer to the same technical features, specifically: 1 - base, 2 - vertical lifting unit, 201 - driving motor, 202 - transmission screw rod, 203 - transmission nut, 3 - batch clamping unit, 310 - base bearing assembly, 311 - disc-shaped batch body, 3111 - EP tube mounting hole, 31110 - clamping part, 312 - bearing body, 320 - clamping locking assembly, 321 - lower protruding part, 322 - through sliding hole, 323 - sliding rod, 324 - elastic clamp, 325 - connecting rod, 326 - inner recess, 327 - clamping groove, 328 - handle, 329 - pull handle, 4 - visual sensor, 5 - cleaning processing unit, 501 - main body disc, 502 - rotating connection part, 510 - suction assembly, 511 - suction tube, 512 - suction needle, 513 - forward pushing motor, 514 - suction guide tube. DETAILED DESCRIPTION

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0036] As shown in the utility model embodiment, the batch type auxiliary device for removing supernatant of EP tubes comprises: Figures 1-6

[0037] The base 1 is provided with vertical lifting units 2 on both sides of the base 1, a batch clamping unit 3 for positioning EP tubes is arranged at the center of the upper surface of the base 1, a visual sensor 4 for monitoring the supernatant height in each EP tube is arranged on the upper surface of the base 1, and a supernatant removal processing unit 5 for sucking the supernatant in the EP tube in the batch clamping unit 3 below is arranged at the output end of the vertical lifting unit 2.

[0038] The batch clamping unit 3 comprises a base bearing assembly 310 composed of a disc-shaped batch body 311 provided with an EP tube mounting hole and a bearing body 312 fixed at the center of the upper surface of the base 1, and a clamping and locking assembly 320 for clamping and fixing the disc-shaped batch body 311 and the bearing body 312.

[0039] The supernatant removal processing unit 5 comprises a main disc 501 fixedly connected with the output end of the vertical lifting unit 2 in the transverse direction, and a suction assembly 510 arranged on the lower surface of the main disc 501 in alignment with the EP tube mounting hole 3111 in the disc-shaped batch body 311. A front pushing motor 513 for controlling the suction height is arranged between the suction assembly 510 and the main disc 501.

[0040] As shown in the utility model embodiment, the vertical lifting unit 2 comprises: Figure 1

[0041] A driving motor 201 is fixed to the side edge of the base 1, a transmission screw rod 202 is fixedly connected with the driving motor 201 in the coaxial direction in the vertical direction, and a transmission nut 203 is threadedly connected with the transmission screw rod 202.

[0042] As shown in the utility model embodiment, the EP tube mounting hole 3111 comprises an elastic-plastic material clamping portion 31110 arranged on the side edge. Figure 3 Figure 4

[0043] As shown in the utility model embodiment, the vertical lifting unit 2 comprises: Figure 1 Figure 5 Figure 6 ​​​​​​As shown in this embodiment of the utility model, the snap-fit ​​locking assembly 320 includes:

[0044] The package includes a downwardly convex portion 321 located at the center of the lower surface of the disc-shaped batching body 311; an inner recess 326 located at the center of the upper surface of the carrier body 312 and inserted into the lower convex portion 321; elastic clips 324 and clips 327 respectively positioned on both sides of the lower convex portion 321 and the inner side of the inner recess 326; a through sliding hole 322 located at the center of the lower convex portion 321; a slide rod 323 slidably connected to the through sliding hole 322; a connecting rod 325 whose two ends are rotatably connected to the lower end of the slide rod 323 and the lower end of the elastic clip 324 respectively; and a handle 329 fixed to the upper end of the slide rod 323.

[0045] By manually pulling the handle 329, the elastic locking head 324 moves towards the center under the action of the connecting rod, thereby releasing the jammed state with the locking slot 327.

[0046] like Figure 6 As shown in this embodiment of the utility model, the snap-fit ​​locking assembly 320 includes a handle 328 disposed above the handle 329.

[0047] like Figure 1 and Figure 2 As shown in this embodiment of the invention, the suction component 510 includes:

[0048] A liquid extraction pipe 511 fixedly connected to the output end of the push motor 513, a suction guide pipe 514 connected to the liquid extraction pipe 511, and a negative pressure machine connected to the outer end of the suction guide pipe 514.

[0049] A detachable suction needle 512 is attached to the front end of the suction tube 511.

[0050] like Figure 1 As shown in this embodiment of the utility model, a rotating connection part 502 is provided between the main body disk 501 and the transmission nut 203 to facilitate the insertion and removal of the liquid extraction needle 512.

[0051] By manually reversing the main body disk 501, its suction needle 512 is oriented directly upwards, facilitating the insertion and removal of new needles.

[0052] Working principle of this utility model embodiment:

[0053] First, the EP tube is installed to the EP tube installation hole 3111, positioned by the clamping part 31110, prevented from moving away; then, the disc type batch body 311 is clamped to the carrier 312 installed on the upper surface of the base 1, and clamped and fixed by the clamping locking assembly 320; then, all the EP tube covers are opened, and the driving motor 201 is controlled to rotate, and under the cooperation of the threads, the whole cleaning treatment unit 5 is lowered, and after being lowered to a certain height, the visual sensor 4 senses the interface height of the cleaning liquid in the EP tube, so that the front pushing motor 513 corresponding to the EP tube position is lowered to an appropriate height, preventing the liquid suction needle 512 from being inserted too deep or too shallow in the EP tube, resulting in incomplete cleaning of the liquid or misabstraction of the lower liquid section, and then starting the negative pressure machine to suck the cleaning liquid into the liquid suction pipe 511, so that the batch type unified supernatant suction operation realized by the cleaning treatment unit 5 is substantially improved in EP tube suction efficiency; then, the driving motor 201 is controlled to reverse, driving the cleaning treatment unit 5 to rise, and the manual main body disc 501 is reversed to make the liquid suction needle 512 face upward, so as to pull out and insert a new liquid suction needle 512.

[0054] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A bulk de-coring aid for EP tubes, characterized in that, The application relates to a batch loading unit for EP tubes. The batch loading unit (3) comprises a base bearing assembly (310) which is jointly formed by a disc-shaped batch loading body (311) provided with an EP tube mounting hole and a bearing body (312) fixed to the center of the upper surface of the base (1), and a clamping and locking assembly (320) for mutually clamping and fixing the disc-shaped batch loading body (311) and the bearing body (312). The vertical lifting unit (2) comprises a driving motor (201) fixed to the side edge of the base (1), a transmission screw rod (202) coaxially and fixedly connected with the output shaft of the driving motor (201) in the vertical direction, and a transmission nut (203) in threaded transmission with the transmission screw rod (202). The EP tube mounting hole (3111) comprises a side edge provided elastic clamping part (31110).

2. A bulk de-clogging aid for EP tubes as claimed in claim 1, wherein, The clamping and locking assembly (320) comprises a downwardly arranged lower convex part (321) arranged at the center of the lower surface of the disc-shaped batch loading body (311), an inner recess (326) arranged at the center of the upper surface of the bearing body (312) and insertedly matched with the lower convex part (321), an elastic clamping head (324) and a clamping groove (327) which are respectively arranged at the two sides of the lower convex part (321) and the inner side of the inner recess (326), a through sliding hole (322) through the center of the lower convex part (321), a sliding rod (323) in sliding connection with the through sliding hole (322), a connecting rod (325) in rotational connection with the lower end of the sliding rod (323) and the lower end of the elastic clamping head (324), and a handle (329) fixed to the upper end of the sliding rod (323). The handle (329) is manually pulled, and the elastic clamping head (324) is moved towards the middle under the action of the connecting rod, so that the clamping and locking assembly (320) is released from the clamping state of the clamping groove (327).

3. A bulk de-clogging aid for EP tubes as claimed in claim 2, wherein, The clamping and locking assembly (320) comprises a handle (328) arranged above the handle (329).

4. A bulk de-clogging aid for EP tubes according to any one of claims 1 to 3, characterized in that, The suction assembly (510) comprises ​ ​ 5. A bulk de-clogging aid for EP tubes as claimed in claim 4, wherein, ​ 6. A bulk de-clogging aid for EP tubes as defined in claim 1, wherein, ​ A liquid suction pipe (511) is fixedly connected to the output end of the front pushing motor (513), a suction guide pipe (514) is connected to the liquid suction pipe (511), and a negative pressure machine is connected to the outer end of the suction guide pipe (514). A liquid suction needle (512) is detachably connected to the front end of the liquid suction pipe (511).

7. A bulk de-clogging aid for EP tubes as claimed in claim 2, wherein, A rotating connection part (502) is arranged between the main body disc (501) and the transmission nut (203) to facilitate the replacement of the liquid suction needle (512). The liquid suction needle (512) is manually reversed to the top to facilitate the replacement operation.

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