CN217921398U - Uncovering device and cup separating system - Google Patents

Abstract

The utility model relates to a device of uncapping and divide cup system, include: a mounting seat; the clamping mechanism is arranged on the mounting seat and comprises a bearing assembly, a transmission shaft and a clamping jaw assembly which are sequentially arranged in a first direction, wherein the bearing assembly comprises a first bearing seat and a first bearing, an outer ring of the first bearing is fixedly connected with the first bearing seat, one end of the transmission shaft in the first direction is fixedly connected with an inner ring of the first bearing, and the other end of the transmission shaft is connected with the clamping jaw assembly in a matched manner; the clamping jaw assembly is movably arranged on the rotating mechanism; the bearing assembly is controllably movable in a first direction relative to the mounting base to cause the drive shaft to move in unison, the drive shaft causing the jaw assemblies to move relative to the drive shaft to open or close; the rotating mechanism can be controlled to rotate around a first direction so as to drive the clamping jaw assembly and the transmission shaft to rotate relative to the first bearing seat. Above-mentioned uncap device and branch cup system have reduced the ageing of transmission shaft, have improved the life of whole uncap device.

Description

Uncovering device and cup separating system

Technical Field

The utility model relates to a biological detection technology field especially relates to a device of uncapping and branch cup system.

Background

In the field of in vitro detection, such as in nucleic acid detection, samples are often stored through a sampling tube. Before nucleic acid extraction, the sample needs to undergo inactivation, plate rotation, and other steps. The conventional work of rotating the plate after inactivation needs manual operation, and comprises a series of complicated works such as information checking, opening the cover of the sampling tube, pipetting, closing the cover of the sampling tube and the like. These seemingly trivial manipulations severely impact the progress of nucleic acid detection in the context of large-scale nucleic acid screening requirements. Meanwhile, the manual operation is easy to contact with the sample, and certain infection risk is also generated.

In order to improve the detection efficiency and reduce the infection risk, a cup-separating system is produced. In the cup separating system, the sampling tube is used for sampling with a cover, so that automatic cover opening and closing and automatic bar code information input can be realized.

In the cup separating system, when the cover is opened and closed, the cover body of the sampling tube needs to be clamped and then rotated. However, in the conventional cap opening device, in the rotating process after clamping, the internal parts interfere with the rotation of the rotating shaft to generate dry friction, so that the aging of the cap opening device is accelerated, and the service life of the cap opening device is shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a cap opening device and a cup dispensing system with long service life, aiming at the problem that other parts in the conventional cap opening device interfere with the rotation of the rotating shaft to reduce the service life of the cap opening device.

A cap opening device, comprising:

a mounting base;

the clamping mechanism is arranged on the mounting seat and comprises a bearing assembly, a transmission shaft and a clamping jaw assembly which are sequentially arranged in a first direction, the bearing assembly comprises a first bearing seat and a first bearing, an outer ring of the first bearing is fixedly connected with the first bearing seat, one end of the transmission shaft in the first direction is fixedly connected with an inner ring of the first bearing, and the other end of the transmission shaft is connected with the clamping jaw assembly in a matched manner;

the clamping jaw assembly is movably arranged on the rotating mechanism;

wherein the bearing assembly is controllably movable in the first direction relative to the mount to cause the drive shaft to move in unison, the drive shaft causing the jaw assemblies to move open or closed relative to the drive shaft; the rotating mechanism can be controlled to rotate around the first direction so as to drive the clamping jaw assembly and the transmission shaft to rotate relative to the first bearing seat.

In one embodiment, the cap opener further comprises a first driving member mounted on the mounting seat, and the first driving member is connected with the first bearing seat.

In one embodiment, a screw rod extending along the first direction is connected to the first driving member, a nut is connected to the first bearing seat, and the screw rod is in threaded connection with the nut.

In one embodiment, the rotating mechanism comprises a shaft sleeve and a mounting part;

the shaft sleeve is sleeved outside the transmission shaft, the shaft sleeve is rotatably connected with the mounting seat, and the mounting part is connected with the shaft sleeve; the clamping jaw assembly with installation department swing joint.

In one embodiment, the clamping jaw assembly comprises a plurality of clamping jaws, a first sliding block is arranged on one of the transmission shaft and the clamping jaws, a sliding groove is arranged on the other of the transmission shaft and the clamping jaws, the extending direction of the sliding groove is intersected with the first direction, and the extending directions of all the sliding grooves are the same;

the transmission shaft and the clamping jaw are connected with the sliding groove in a matched mode through the first sliding block.

In one embodiment, the clamping jaw assembly comprises two clamping jaws, the rotating mechanism comprises two mounting portions, each clamping jaw is connected with the mounting portion in a sliding mode in a second direction perpendicular to the first direction, and the extending direction of the sliding groove intersects with the second direction;

when the bearing assembly drives the transmission shaft to reciprocate in the first direction, the two clamping jaws move in the second direction in an opposite direction or in a reverse direction, so that the clamping jaw assembly is closed or opened.

In one embodiment, the cap opener further comprises a second driving member mounted on the mounting seat, and the second driving member is connected with the shaft sleeve and used for driving the shaft sleeve to rotate around the first direction.

In one embodiment, the cap opening device further comprises a driving wheel, a transmission belt and a driven wheel, the driving wheel is connected with the second driving piece, the driven wheel is connected with the shaft sleeve, and the transmission belt is sleeved outside the driving wheel and the driven wheel.

In one embodiment, a photoelectric barrier is arranged on the bearing assembly, and a photoelectric sensor is arranged on the mounting seat, and the photoelectric sensor is matched with the photoelectric barrier to control the moving distance of the bearing assembly relative to the mounting seat in the first direction.

A dispensing cup system, comprising:

a mounting frame;

the clamping device is arranged on the mounting rack and is used for clamping the sampling tube;

the uncapping device comprises a mounting frame, a mounting seat and a clamping device, wherein the mounting seat is movably mounted on the mounting frame, and the uncapping device can be controllably moved to the position above the clamping device for uncapping and closing the sampling tube clamped on the clamping device;

and the liquid transfer device is movably arranged on the mounting rack and can be controlled to move to the position above the clamping device so as to suck the sample in the sampling tube through the liquid transfer gun head.

Above-mentioned uncap device and branch cup system, the outer lane of first bearing and the fixed connection of first bearing frame, when first bearing frame drove first bearing and move in first direction, correspondingly, the transmission shaft moved in first direction to exert effort in its complex clamping jaw subassembly. Because the clamping jaw assembly is movably connected with the rotating mechanism, the clamping jaw assembly moves to open or close relative to the transmission shaft under the action of the transmission shaft so as to release or clamp the sampling tube. The transmission shaft is fixedly connected with the inner ring of the first bearing, and the clamping jaw assembly does not drive the first bearing seat to rotate when driving the transmission shaft to rotate, but the inner ring of the first bearing rotates relative to the outer ring of the first bearing. So, through the rotation each other of the interior outer lane of first bearing to the lid that realizes the sampling pipe is for the rotation of body, and first bearing inner circle and outer lane roll cooperation can not appear other parts and interfere the rotation of rotation axis and the condition of dry friction appears like prior art, has reduced the ageing of transmission shaft, has improved the life of whole device of uncapping.

Drawings

Fig. 1 is an isometric view from a perspective of a decapping device according to an embodiment of the present invention;

fig. 2 is a sectional view of the cap opening device shown in fig. 1;

figure 3 is an isometric view from another perspective of the uncapping device shown in figure 1;

figure 4 is an isometric view of a further perspective of the uncapping device shown in figure 1;

fig. 5 is an isometric view of still another perspective of the uncapping device shown in fig. 1.

100. A cap opening device; 10. a mounting seat; 20. a clamping mechanism; 21. a bearing assembly; 211. a first bearing housing; 212. a first bearing; 22. a drive shaft; 23. a jaw assembly; 231. a clamping jaw; 24. a first slider; 25. a chute; 30. a rotation mechanism; 31. a shaft sleeve; 32. fixing the disc; 33. a connecting rod; 34. an installation part; 40. a first driving member; 50. a screw rod; 60. a nut; 70. a second driving member; 80. a driving wheel; 90. a transmission belt; 110. a driven wheel; 120. a guide rail; 130. a second slider; 200. a sampling tube.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

An embodiment of the utility model provides a divide cup system, this branch cup system, sampling pipe 200 "former pipe area is covered and is appeared", can realize automatic uncapping, close and cover and move the liquid automatically, has improved the efficiency that detects. Meanwhile, the cover opening, the cover closing and the liquid transferring are all automatically completed, and the infection risk in the operation process of an operator is reduced.

It should be noted that the cup dispensing system is not limited to opening, closing and pipetting the sampling tube 200 for nucleic acid detection, but can be applied to other opening, closing and pipetting for detection. For convenience of explanation, the opening, closing and pipetting of the sampling tube 200 in the case of the cup-separating system applied to nucleic acid detection will be described in detail below, but the present invention is not limited by the description.

The cup dispensing system comprises a mounting frame, a clamping device, a cover opening device 100 and a liquid transferring device, wherein the clamping device, the cover opening device and the liquid transferring device are mounted on the mounting frame. Specifically, the clamping device is fixedly mounted on the mounting frame for clamping the sampling tube 200. The cap opening device 100 and the pipetting device are movably mounted on a mounting frame, and the cap opening device 100 can be controllably moved relative to the mounting frame to move above the clamping device for opening and closing the cap of the sampling tube 200. The pipetting device is controllably movable relative to the mounting bracket to move over the clamping device to aspirate a sample in the sampling tube 200 through the pipette tip to complete a pipetting operation.

The mounting bracket comprises a bottom plate and a vertical plate which are connected with each other, the clamping device is arranged on the bottom plate, and the cover opening device 100 and the liquid transfer device are movably arranged on the vertical plate.

Specifically, the cup dispensing system further includes a sample carrier having a number of receiving holes for placement of the sampling tube 200. The cap-opening device 100 can hold the sampling tube 200 placed on the sample carrier and transfer the sampling tube 200 to the clamping device, so that the clamping device can clamp the tube body of the sampling tube 200. When the tube body of the sampling tube 200 is clamped by the clamping device, the cap-opening device 100 clamps the sampling tube 200 and rotates the cap body of the sampling tube 200, so as to realize the cap-opening operation of the sampling tube 200. When the cover needs to be closed, the tube body of the sampling tube 200 is still clamped by the clamping device, and the cover opening device 100 clamps the cover body of the sampling tube 200 and rotates reversely, so that the cover closing operation of the sampling tube 200 is realized.

The clamping device has a clamping position, the tube body of the sampling tube 200 is clamped in the clamping position, and the cap opening device 100 moves to the upper side of the clamping device to screw the cap body of the sampling tube 200, so that the cap body rotates relative to the tube body, and the cap opening and closing of the sampling tube 200 are realized.

Referring to fig. 1, the cap opening device 100 includes a mounting base 10, a clamping mechanism 20 and a rotating mechanism 30, the mounting base 10 is movably mounted on a vertical plate, and both the clamping mechanism 20 and the rotating mechanism 30 are mounted on the mounting base 10. The mounting base 10 can be controlled to move relative to the vertical plate, so that the mounting base 10 drives the clamping mechanism 20 and the rotating mechanism 30 to move above the clamping device, the clamping mechanism 20 clamps the cover body of the sampling tube 200, and the rotating mechanism 30 is controlled to rotate the cover body relative to the tube body, so as to open or close the cover of the sampling tube 200.

Referring to fig. 2, the clamping mechanism 20 includes a bearing assembly 21, a transmission shaft 22 and a clamping jaw assembly 23 sequentially arranged in a first direction. The bearing assembly 21 includes a first bearing seat 211 and a first bearing 212, an outer ring of the first bearing 212 is fixedly connected with the first bearing seat 211, one end of the transmission shaft 22 in the first direction is fixedly connected with an inner ring of the first bearing 212, and the other end is connected with the clamping jaw assembly 23 in a matching manner. It should be noted here that the first direction is also the axial direction of the transmission shaft 22. As shown in fig. 2, the first direction is the up-down direction in fig. 2, i.e., the Y direction.

With the above arrangement, since the outer ring of the first bearing 212 is fixedly connected with the first bearing seat 211, the transmission shaft 22 is fixedly connected with the inner ring of the first bearing 212. When the first bearing seat 211 carries the first bearing 212 in a first direction, the drive shaft 22 moves in a first direction accordingly, thereby applying a force to its mating jaw assembly 23. And since the jaw assembly 23 is movably connected to the rotation mechanism 30, the jaw assembly 23 is moved relative to the drive shaft 22 by the drive shaft 22 to open or close to release the sampling tube 200 or grip the sampling tube 200.

The rotary mechanism 30 is controllably rotated in a first direction to rotate the drive shaft 22 via the jaw assembly 23. Since the transmission shaft 22 is fixedly connected to the inner ring of the first bearing 212, the transmission shaft 22 does not drive the first bearing seat 211 to rotate when rotating, but the inner ring of the first bearing 212 rotates relative to the outer ring thereof. In this manner, the rotating mechanism 30 can rotate the jaw assembly 23, thereby enabling rotation of the cap body of the sampling tube 200 clamped by the jaw assembly 23 to open or close the cap.

Above-mentioned uncap device 100 through the mutual rotation of the interior outer lane of first bearing 212 to realize the lid of sampling pipe 200 for the rotation of body, and first bearing 212 inner circle and outer lane roll cooperation, can not appear that other parts interfere the rotation of rotation axis and the condition that dry friction appears like among the prior art, have reduced the ageing of transmission shaft 22, have improved the life of whole uncap device 100. Meanwhile, the rotation of the clamping jaw assembly 30 is realized through the relative rotation of the inner ring and the outer ring of the first bearing 212, the rotation is smooth, and errors are not easy to generate after the operation for a period of time.

It should be noted that although the clamping jaw assembly 23 is movably mounted on the rotating mechanism 30, when the rotating mechanism 30 rotates, the clamping jaw assembly 23 does not move relative to the rotating mechanism 30, but rotates synchronously with the rotating mechanism 30.

In one embodiment, referring to fig. 3-5, the door opener 100 further comprises a first driving member 40 mounted on the mounting base 10, wherein the first driving member 40 is connected to the first bearing base 211 to drive the bearing assembly 21 to reciprocate relative to the mounting base 10 in the first direction. Specifically, the first driving member 40 is a motor.

Further, a lead screw 50 extending in a first direction is connected to the first driving member 40, a nut 60 is connected to the first bearing seat 211, and the lead screw 50 is threadedly connected to the nut 60. Thus, the first driving member 40 can drive the screw rod 50 to rotate, when the screw rod 50 rotates, the nut 60 moves relative to the screw rod 50 in the first direction to drive the first bearing seat 211 to move, and the first bearing seat 211 drives the first bearing 212 to move, so as to drive the transmission shaft 22 to move in the first direction, so as to realize the opening or closing of the clamping jaw assembly 30.

It is contemplated that in other embodiments, the first driving member 40 may drive the first bearing seat 211 via other transmission members. Alternatively, in some embodiments, the transmission member may be omitted, and the first driving member 40 directly drives the first bearing seat 211 to move along the first direction.

In one embodiment, the first bearing seat 211 is provided with a photoelectric barrier, and the mounting seat 10 is provided with a photoelectric sensor, which cooperates with the photoelectric barrier to control the moving distance of the bearing assembly 21 relative to the mounting seat 10 in the first direction. In this way, the movement distance of the bearing assembly 21 in the first direction is controlled by the cooperation of the photoelectric sensor and the photoelectric barrier, so that the movement distance of the transmission shaft 22 in the first direction is controlled, and the opening or closing of the clamping jaw assembly 23 is controlled.

In an embodiment, referring to fig. 3, the door uncovering device 100 further comprises a second driving member 70 mounted on the mounting base 10, and the second driving member 70 is connected with the rotating mechanism 30 for driving the rotating mechanism 30 to rotate around the first direction. In particular, the second drive 70 is an electric motor.

The cap opening device 100 further comprises a driving wheel 80, a transmission belt 90 and a driven wheel 110, wherein the driving wheel 80 is connected with the second driving element 70, the driven wheel 110 is connected with the rotating mechanism 30, and the transmission belt 90 is sleeved outside the driving wheel 80 and the driven wheel 110. When the cover body needs to be rotated to open or close the cover, the second driving member 70 drives the driving wheel 80 to rotate, the driving wheel 80 drives the driven wheel 110 to rotate through the transmission belt 90, and the driven wheel 110 drives the rotating mechanism 30 to rotate to open or close the cover.

It is contemplated that in other embodiments, the second drive 70 may drive the rotation mechanism 30 to move via other transmission. Alternatively, in some embodiments, the transmission member may be omitted, and the second driving member 70 directly drives the rotating mechanism 30 to rotate around the first direction.

In one embodiment, the rotating mechanism 30 includes a shaft sleeve 31, a fixed plate 32, a connecting rod 33 and a mounting portion 34, the first bearing 212 is sleeved outside the transmission shaft 22, the driven wheel 110 is sleeved outside the shaft sleeve 31, the fixed plate 32 is connected with the shaft sleeve 31, the mounting portion 34 is connected with the fixed plate 32 through the connecting rod 33, and the clamping jaw assembly 23 is movably connected with the mounting portion 34. Therefore, the second driving member 70 drives the driving wheel 80 to rotate, the driving wheel 80 drives the driven wheel 110 to rotate through the transmission belt 90, the shaft sleeve 31 is driven to rotate around the first direction in the rotating process of the driven wheel 110, the fixed disc 32 is linked with the mounting portion 34, and the clamping jaw assembly 23 is driven to rotate.

Specifically, the lid opening device 100 further includes a second bearing and a second bearing seat, the second bearing seat is connected to the mounting seat 10, the second bearing is disposed in the second bearing seat, an outer ring of the second bearing seat is fixedly connected to the second bearing seat, the shaft sleeve 31 is connected to an inner ring of the second bearing, and the shaft sleeve 31 rotates relative to the outer ring of the second bearing through the inner ring of the second bearing to be rotatably connected to the mounting seat 10.

Further, the rotating mechanism 30 includes a plurality of connecting rods 33, and the plurality of connecting rods 33 are sequentially arranged along the circumferential direction of the fixed disk 32 to ensure the connection strength. It should be understood that in other embodiments, there is no limitation on the number of the connection rods 33.

It should be noted that the arrangement of the sleeve 31, the fixed disk 32, the connecting rod 33 and the mounting portion 34 does not interfere with the movement of the transmission shaft 22 in the first direction.

In one embodiment, the clamping jaw assembly 23 includes a plurality of clamping jaws 231, one of the transmission shaft 22 and the clamping jaw 231 is provided with a first sliding block 24, the other one is provided with a sliding slot 25, the extending direction of the sliding slot 25 intersects with the first direction, and the extending directions of all the sliding slots 25 are the same. The transmission shaft 22 and the clamping jaw 231 are connected with the sliding groove 25 in a matching way through the first sliding block 24.

With the above arrangement, since the extending direction of the sliding slot 25 intersects the first direction, when the transmission shaft 22 moves along the first direction, a force is applied to the clamping jaw 231, the clamping jaw 231 moves relative to the transmission shaft 22 through the cooperation of the first slider 24 and the sliding slot 25, and the clamping jaw 231 moves relative to the mounting portion 34 under the action of the transmission shaft 22, so as to realize the opening or closing of the clamping jaw assembly 23.

In an embodiment, referring to fig. 5, the jaw assembly 23 includes two jaws 231, the rotating mechanism 30 includes two mounting portions 34, each jaw 231 is slidably engaged with the mounting portion 34 in a second direction perpendicular to the first direction, and the extending direction of the sliding slot 25 intersects with the second direction. When the bearing assembly 21 drives the transmission shaft 22 to reciprocate in the first direction, the two jaws 231 move toward or away from each other in the second direction to open or close the jaw assembly 23. Referring to fig. 2, the second direction is the X direction in fig. 2.

With the above arrangement, when the transmission shaft 22 moves in the first direction, the transmission shaft 22 applies a force to the clamping jaws 231, and the transmission shaft 22 is matched with the sliding grooves 25 through the first sliding blocks 24 to slide relative to the clamping jaws 231. At the same time, the two jaws 231 are moved in a second direction toward the mounting portion 34 to close the jaw assembly 23, or the two jaws 231 are moved in a second direction away from the mounting portion 34 to open the jaw assembly 23.

In one embodiment, the first slider 24 is connected to the transmission shaft 22, and the sliding slot 25 is disposed on the clamping jaw 231. In another embodiment, the sliding slot 25 is disposed on the transmission shaft 22, and the first slider 24 is connected to the clamping jaw 231.

Further, one of the clamping jaw 231 and the mounting portion 34 is provided with a guide rail 120 extending along the second direction, and the other is provided with a second slider 130 engaged with the guide rail 120, and the guide rail 120 is slidably engaged with the second slider 130. Thus, movement of the clamping jaw 231 relative to the mounting portion 34 in the second direction is facilitated.

The cup separating system further comprises a consumable carrier, the consumable carrier is used for installing the pipette tips and the deep hole plate, and the pipette device firstly needs to pick up the pipette tips from the consumable carrier before liquid is taken. And after the liquid transfer device takes the liquid, controlling the liquid transfer device to move to the upper part of the deep hole plate, and discharging the sample solution taken out from the tube body into the deep hole plate. Simultaneously, divide cup system still includes abandonment rifle head and collects the box, and the liquid-transfering gun head after getting liquid is lost to abandonment rifle head and is collected the box in order to supply to collect.

An embodiment of the present invention further provides a cap opening device 100 included in the cup dispensing system, so as to open and close the cap of the sampling tube 200.

The embodiment of the utility model provides a working principle of uncapping device 100 and branch cup system as follows:

the sampling tube 200 is "raw tube lidded for loading" onto the sample carrier, and the decapper device 100 is controlled to move relative to the mount above the sample carrier.

The first driving member 40 of the cap-opening device 100 drives the bearing assembly 21 to move the transmission shaft 22 in the first direction, and the jaw assembly 23 is closed (the two jaws 231 move toward each other) to clamp the cap of the sampling tube 200.

The cap-opening device 100 places the sampling tube 200 on the clamping device, the clamping device clamps the sampling tube 200, the second driving part 70 of the cap-opening device 100 drives the rotating mechanism 30 to rotate so as to drive the clamping jaw assembly 23 to rotate, and at this time, the transmission shaft 22 drives the inner ring of the first bearing 212 to rotate relative to the outer ring thereof so as to screw and open the cap.

The pipetting device is moved relative to the mounting above the consumable carrier to load pipette tips. The uncapping device 100 is removed from above the clamping device, the pipetting device moves above the clamping device relative to the mounting rack, and samples in the sampling tubes 200 are sucked up by the pipette tips and then transferred to the deep hole plate on the consumable carrier.

The cap opening device 100 is moved over the clamping device again, and the second driving member 70 drives the rotating mechanism 30 to rotate reversely to achieve the cap closing. The pipetting device unloads the pipetting tips into the waste tip collecting box.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A cap-opening device, characterized by comprising:

a mounting seat (10);

the clamping mechanism (20) is mounted on the mounting seat (10) and comprises a bearing assembly (21), a transmission shaft (22) and a clamping jaw assembly (23) which are sequentially arranged in a first direction, the bearing assembly (21) comprises a first bearing seat (211) and a first bearing (212), the outer ring of the first bearing (212) is fixedly connected with the first bearing seat (211), one end of the transmission shaft (22) in the first direction is fixedly connected with the inner ring of the first bearing (212), and the other end of the transmission shaft is connected with the clamping jaw assembly (23) in a matched manner;

the rotating mechanism (30) is mounted on the mounting seat (10), and the clamping jaw assembly (23) is movably mounted on the rotating mechanism (30);

wherein the bearing assembly (21) is controllably movable in the first direction relative to the mount (10) to cause the drive shaft (22) to move in unison, the drive shaft (22) causing the jaw assembly (23) to move relative to the drive shaft (22) to open or close; the rotating mechanism (30) can be controlled to rotate around the first direction so as to drive the clamping jaw assembly (23) and the transmission shaft (22) to rotate relative to the first bearing seat (211).

2. The door opener according to claim 1, further comprising a first actuating member (40) mounted on the mount (10), the first actuating member (40) being connected to the first bearing housing (211).

3. The door opener according to claim 2, wherein a lead screw (50) extending in the first direction is connected to the first driving member (40), a nut (60) is connected to the first bearing housing (211), and the lead screw (50) is threadedly connected to the nut (60).

4. The door uncovering device according to claim 1, characterised in that the rotating mechanism (30) comprises a bushing (31) and a mounting portion (34);

the shaft sleeve (31) is sleeved outside the transmission shaft (22), the shaft sleeve (31) is rotatably connected with the mounting seat (10), and the mounting part (34) is connected with the shaft sleeve (31); the clamping jaw assembly (23) is movably connected with the mounting portion (34).

5. The cap opening device according to claim 4, wherein the jaw assembly (23) comprises a plurality of jaws (231), one of the transmission shaft (22) and the jaws (231) is provided with a first slider (24), the other is provided with a sliding groove (25), the extending direction of the sliding groove (25) is intersected with the first direction, and the extending direction of all the sliding grooves (25) is the same;

the transmission shaft (22) and the clamping jaw (231) are connected with the sliding groove (25) in a matched mode through the first sliding block (24).

6. The door uncovering device according to claim 5, characterized in that said jaw assembly (23) comprises two jaws (231), said rotating mechanism (30) comprises two said mounting portions (34), each said jaw (231) is slidably connected with said mounting portion (34) in a second direction perpendicular to said first direction, and the extending direction of said slide groove (25) intersects with said second direction;

when the bearing assembly (21) drives the transmission shaft (22) to move back and forth in the first direction, the two clamping jaws (231) move towards or away from each other in the second direction, so that the clamping jaw assembly (23) is closed or opened.

7. A cap opener according to claim 4, further comprising a second driving member (70) mounted on the mount (10), the second driving member (70) being connected to the boss (31) for driving the boss (31) to rotate in the first direction.

8. The decapping device of claim 7, further comprising a driving wheel (80), a transmission belt (90) and a driven wheel (110), wherein the driving wheel (80) is connected with the second driving element (70), the driven wheel (110) is connected with the shaft sleeve (31), and the transmission belt (90) is sleeved outside the driving wheel (80) and the driven wheel (110).

9. A door opener according to claim 1, characterized in that an opto-electric shutter is provided on the bearing assembly (21), and an opto-electric sensor is provided on the mount (10), the opto-electric sensor cooperating with the opto-electric shutter to control the distance of movement of the bearing assembly (21) relative to the mount (10) in the first direction.

10. A dispensing cup system, comprising:

a mounting frame;

clamping means mounted on said mounting for clamping a sampling tube (200);

a lid release device according to any one of claims 1-9, the mounting base (10) being movably mounted on the mounting frame, the lid release device being controllably movable above the clamping device for opening and closing the lid of the sampling tube (200) clamped on the clamping device;

and the liquid-transferring device is movably arranged on the mounting rack and can be controlled to move to the position above the clamping device so as to suck the sample in the sampling tube (200) through the liquid-transferring gun head.

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