Cover pressing device and detection equipment

Abstract

The utility model discloses a cover pressing device and detection equipment, and relates to the technical field of detection equipment, the cover pressing device comprises a cover pressing assembly, a pressing assembly and a driving assembly, the cover pressing assembly comprises a carrying seat, and the carrying seat is used for sequentially stacking a reaction carrier and a plate cover; the press-fit assembly comprises a press-fit piece, and the press-fit piece is arranged above the carrier seat and used for abutting against the side, away from the reaction carrier, of the plate cover; the driving assembly is in transmission connection with the carrier seat and is used for driving the cover pressing assembly to move relative to the pressing assembly in the first direction, so that the plate cover is pressed on the reaction carrier; according to the technical scheme provided by the utility model, the gland device for sealing the reaction carrier through the plate cover can be provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, especially relate to a gland device and detection equipment. BACKGROUND

[0002] At present, in the detection instrument usually need to adopt the film sealer first on the reaction carrier to carry out the sealing one layer of sealing plate film, then carries out the interpretation experiment to the reaction carrier, to prevent the harmful substance volatilization pollution laboratory in the interpretation process in the reaction carrier. Since the scheme needs to be equipped with the film sealer to realize the sealing function of the reaction carrier, and the film sealer not only size volume is big, still needs to replace the film material periodically, and the use is inconvenient. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of gland device and detection equipment, to provide a kind of gland device for sealing reaction carrier by board cover.

[0004] To achieve the above object, the gland device provided by the utility model comprises:

[0005] Gland assembly, the gland assembly includes carrier seat, for sequentially stacking reaction carrier and board cover;

[0006] Compression assembly, the compression assembly includes compression piece, the compression piece is located above the carrier seat, for being pressed on the side of the board cover away from the reaction carrier;And

[0007] Driving assembly, the driving assembly is drivingly connected with the carrier seat, for driving the gland assembly to move relative to the compression assembly along the first direction, so that the board cover is pressed to the reaction carrier.

[0008] In an embodiment, the driving assembly includes:

[0009] Machine table, the compression piece is erected on the machine table, the carrier seat is located between the compression piece and the machine table, and is slidably arranged relative to the machine table;And

[0010] Linear drive mechanism, the linear drive mechanism is located on the machine table, and is drivingly connected with the carrier seat, to drive the gland assembly to move relative to the machine table along the first direction.

[0011] In an embodiment, the linear drive mechanism includes:

[0012] Screw rod, the screw rod is located above the machine table, and is arranged along the first direction;

[0013] Fixed part, the fixed part is connected to one side of the carrier seat, the fixed part is provided with screw hole, for inserting the screw rod, and is threadedly matched with the screw rod;

[0014] A driving member is in transmission connection with one end of the screw rod, and is used to drive the screw rod to rotate in a positive direction or a reverse direction around the first direction, so as to drive the fixing member to drive the carrier to reciprocate along the first direction.

[0015] In an embodiment, the fixing member is further provided with a guide hole, and the driving assembly further comprises a guide rod which is arranged along the first direction and is slidably inserted into the guide hole.

[0016] In an embodiment, the driving member is provided with an output shaft at one end of the screw rod, and the output shaft is rotatably arranged;

[0017] The linear driving mechanism further comprises a connecting shaft which is coaxially connected with the screw rod and the output shaft at two ends thereof.

[0018] In an embodiment, the pressing assembly comprises:

[0019] Two support members which are oppositely arranged along a second direction perpendicular to the first direction and are arranged on two sides of the carrier; and

[0020] The pressing member is arranged as a roller which is arranged between the two support members, and two ends of the roller are rotatably connected with the two support members, and is used to rotate around the second direction.

[0021] In an embodiment, the pressing assembly further comprises an anti-warping member which is arranged above the carrier and is arranged along the first direction away from the pressing member;

[0022] The anti-warping member is used to abut against one side of the cover away from the reaction carrier when the pressing member presses the cover.

[0023] In an embodiment, a surface of the roller is provided with a flexible structure which is arranged in a deformable manner.

[0024] In an embodiment, the cover pressing device further comprises a detection assembly which comprises:

[0025] An inductive switch which is arranged along the first direction away from the carrier; and

[0026] A triggering member which is arranged on one side of the carrier away from the inductive switch and is used to move towards or away from the inductive switch along with the carrier.

[0027] The utility model further provides a detection equipment which comprises the cover pressing device of any one of the preceding embodiments, and the cover pressing device comprises:

[0028] A capping assembly, the capping assembly including a carrier for sequentially stacking a reaction vehicle and a plate cap;

[0029] A pressing assembly, comprising a pressing member disposed above the carrier for pressing against the side of the plate cover opposite to the reaction vessel; and

[0030] A drive assembly, which is driven to the carrier, is used to drive the cap assembly to move relative to the pressing assembly in a first direction so that the cap is pressed against the reaction vessel.

[0031] The capping device of this utility model includes a capping assembly, a pressing assembly, and a driving assembly. The carrier of the capping assembly is used to stack the reaction vessel and the cap sequentially from bottom to top. The pressing component of the pressing assembly is located on the side of the cap away from the reaction vessel. The driving assembly is connected to the carrier and can drive the carrier to move relative to the pressing component in a first direction. This allows the carrier to move the reaction vessel and the cap relative to the pressing component. Thus, by causing relative displacement between the reaction vessel, the cap, and the pressing component, the pressing component can sequentially press against different parts of the cap, thereby pressing the cap into the reaction vessel. In other words, the capping device provided by this utility model can seal the reaction vessel with a simple structure using a cap, and the overall size of the capping device is small, making it convenient for users. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0033] Figure 1 A schematic diagram of an embodiment of the capping device provided by this utility model;

[0034] Figure 2 for Figure 1 Partial structural diagram of the intermediate pressure cover device;

[0035] Figure 3 for Figure 2 Exploded view of a local structure in the middle;

[0036] Figure 4 for Figure 1 Another partial structural diagram of the intermediate pressure cover device;

[0037] Figure 5 for Figure 4 Exploded view of a local structure.

[0038] BRIEF DESCRIPTION OF DRAWINGS

[0039] 100, capping device; 10, capping assembly; 11, carrier; 12, plate cover; 20, pressing assembly; 21, support; 22, pressing member; 23, anti-warping member; 30, driving assembly; 31, machine table; 32, linear driving mechanism; 321, screw rod; 322, fixing member; 323, driving member; 323a, output shaft; 324, connecting member; 33, guide rod; 40, detection assembly; 41, inductive switch; 42, triggering member;

[0040] 200, reaction carrier.

[0041] The purposes, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0043] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0044] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0045] Currently, in detection instruments (for example, nucleic acid detection instruments), it is usually necessary to first use a film sealing instrument to seal a layer of sealing film on a reaction carrier, and then perform interpretation experiments on the reaction carrier, so as to prevent harmful substances in the reaction carrier from volatilizing and polluting the laboratory during the interpretation process. Since this scheme requires a film sealing instrument to realize the sealing function of the reaction carrier, the film sealing instrument not only has a large size and volume, but also needs to be replaced regularly, which is relatively inconvenient to use.

[0046] The utility model provides a capping device 100.

[0047] Please refer to Figures 1 to 5 In an embodiment of the utility model, the capping device 100 comprises:

[0048] The capping assembly 10 comprises a carrier seat 11 for sequentially stacking the reaction carrier 200 and the plate cover 12.

[0049] The compression assembly 20 comprises a compression piece 22 arranged above the carrier seat 11 for pressing against the side of the plate cover 12 away from the reaction carrier 200; and

[0050] The driving assembly 30 is in transmission connection with the carrier seat 11 for driving the capping assembly 10 to move relative to the compression assembly 20 along a first direction, so that the plate cover 12 is pressed against the reaction carrier 200.

[0051] The capping device 100 of the technical scheme of the utility model comprises the capping assembly 10, the compression assembly 20 and the driving assembly 30, wherein the carrier seat 11 of the capping assembly 10 is used for sequentially stacking the reaction carrier 200 and the plate cover 12 from bottom to top, the compression piece 22 of the compression assembly 20 is arranged on the side of the plate cover 12 away from the reaction carrier 200, and the driving assembly 30 is in transmission connection with the carrier seat 11 and can drive the carrier seat 11 to move relative to the compression piece 22 along a first direction, so that the carrier seat 11 can drive the reaction carrier 200 and the plate cover 12 thereon to move relative to the compression piece 22.

[0052] The reaction carrier 200 comprises a reaction carrier body and a plurality of reaction tubes arranged on the reaction carrier body, which can be arrayed on the whole reaction carrier 200 body or divided into a plurality of regions on the reaction carrier body, so that the plurality of reaction tubes are arrayed in different regions, without limitation. Optionally, the reaction carrier 200 can be specifically configured as a microwell plate, a PCR plate or the like.

[0053] Correspondingly, the carrier 11 is provided with a plurality of slots on the side facing the reaction carrier 200, each of which is used for limiting a reaction tube, so that the reaction carrier 200 can be well matched with the carrier 11. The side of the carrier 11 facing the reaction carrier 200 can also be provided with a surrounding structure for surrounding the side of the reaction carrier 200 body, so as to limit the reaction carrier 200 body, which is beneficial to improve the stability of the carrier 11 to the reaction carrier 200.

[0054] The plate cover 12 is used for capping the side of the reaction carrier 200 away from the carrier 11, so as to cap the plurality of reaction tubes provided on the reaction carrier body, thereby facilitating the prevention of the volatilization and pollution of harmful substances in the reaction carrier 200. In a feasible embodiment, the plate cover can be provided in a flat plate shape, so as to be placed on the top of the reaction carrier 200; or in another feasible embodiment, the side of the plate cover 12 facing the reaction carrier 200 is also provided with a plurality of hole positions or a plurality of sealing plugs, each of which is used for corresponding sealing a reaction tube, so that the plate cover 12 can be tightly pressed on the reaction carrier 200 to well seal each reaction tube, thereby facilitating the prevention of cross infection between adjacent reaction tubes on the reaction carrier 200.

[0055] It can be understood that the technical scheme of the utility model can make the reaction carrier 200 provided on the carrier 11 and the plate cover 12 and the pressing member 22 thereon relatively displace by making the driving assembly 30 and the carrier 11 in transmission connection, so that the pressing member 22 can press different parts on the plate cover 12 in turn, thereby the plate cover 12 can be pressed in the reaction carrier 200. That is, the capping device 100 provided by the utility model can seal the reaction carrier 200 by the plate cover 12 with a simple structure, and the overall occupied volume of the capping device 100 is small, which is convenient for users to use. When in use, by adjusting the gap between the pressing member 22 and the reaction carrier 200, the pressing effect of the pressing member 22 on the plate cover 12 can be adjusted, so that the plate cover 12 can have good sealing performance after being pressed in the reaction carrier 200.

[0056] Of course, the technical scheme of the utility model is not limited to this, in some embodiments, the carrier 11, the reaction carrier 200 provided on the carrier 11 and the plate cover 12 thereon can be relatively fixed, and the driving assembly 30 and the pressing member 22 of the pressing assembly 20 are in transmission connection, so that the pressing member 22 is movably arranged in the first direction. In this way, the reaction carrier 200 provided on the carrier 11 and the plate cover 12 and the pressing member 22 thereon can also relatively displace, thereby the plate cover 12 can be tightly pressed. The specific implementation can be set according to actual needs, which is not limited here.

[0057] Please refer to Figure 2 and Figure 3In the embodiment of the utility model, the driving assembly 30 comprises:

[0058] The machine table 31, the pressing part 22 is arranged on the machine table 31, the carrier 11 is arranged between the pressing part 22 and the machine table 31, and the carrier 11 is slidably arranged relative to the machine table 31.

[0059] The linear driving mechanism 32 is arranged on the machine table 31 and is drivingly connected with the carrier 11 to drive the gland assembly 10 to move relative to the machine table 31 along a first direction.

[0060] The machine table 31 can be used as a bearing body of the entire gland device 100 to realize mounting and fixing of the linear driving mechanism 32 and the pressing assembly 20. The pressing part 22 of the pressing assembly 20 can be arranged above the machine table 31 to provide a moving space for the carrier 11 between the machine table 31 and the pressing part 22. The linear driving mechanism 32 is used to be drivingly connected with the carrier 11 to drive the gland assembly 10 to reciprocate relative to the machine table 31 and the pressing assembly 20 along the first direction.

[0061] In some embodiments, the linear driving mechanism 32 can be a lead screw 321 driving mechanism as described in the following embodiments, which drives the fixed part 322 on the lead screw 321 to reciprocate along the length direction of the lead screw 321 by rotating the lead screw 321 to drive the carrier 11 to reciprocate along the first direction through the fixed part 322. The linear driving mechanism 32 can also be a telescopic rod mechanism, which drives the carrier 11 to reciprocate along the first direction by telescopic movement of the telescopic rod. The linear driving mechanism 32 can also be other conventional driving structures, and the specific embodiments can be set according to actual needs, which are not limited herein.

[0062] Please refer to Figure 2 and Figure 3 In the embodiment of the utility model, the linear driving mechanism 32 comprises:

[0063] The lead screw 321 is arranged above the machine table 31 and extends along the first direction;

[0064] The fixed part 322 is connected to one side of the carrier 11, and the fixed part 322 is provided with a threaded hole for inserting the lead screw 321 and threadedly cooperating with the lead screw 321;

[0065] The driving part 323 is drivingly connected with one end of the lead screw 321 to drive the lead screw 321 to rotate forward or reversely around the first direction to drive the fixed part 322 to drive the carrier 11 to reciprocate along the first direction.

[0066] The driving member 323 can be a motor arranged at one end of the screw rod 321 for driving the screw rod 321 to rotate, and the fixed member 322 is driven by the screw rod 321 to reciprocate along the first direction through the thread cooperation between the fixed member 322 and the screw rod 321. Specifically, the linear driving mechanism 32 can be arranged below the carrier 11 and the fixed member 322 is installed and limited at the bottom of the carrier 11. In some embodiments, the linear driving mechanism 32 can also be arranged beside the carrier 11 and the fixed member 322 is installed and limited at one side of the carrier 11, which is not limited herein.

[0067] Referring to Figure 2 and Figure 3 In the embodiment of the present application, the fixed member 322 further has a guide hole, and the driving assembly 30 further comprises a guide rod 33, which is arranged along the first direction and slidably inserted into the guide hole. In this way, the sliding connection of the guide rod 33 and the fixed member 322 can be achieved, and the guide rod 33 can guide the fixed member 322 to improve the motion stability of the fixed member 322, so as to realize the smooth motion of the carrier 11 in the first direction.

[0068] Further, in a feasible implementation, the guide rod 33 and the screw rod 321 of the linear driving mechanism 32 are arranged side by side below the carrier 11 and are both arranged along the first direction. In this way, the compactness of the linear driving mechanism 32 can be improved and the occupied space of the linear driving mechanism 32 can be reduced.

[0069] The guide rod 33 can be arranged in two, and the two guide rods 33 are arranged on both sides of the screw rod 321 and are parallel to each other. Alternatively, the guide rod 33 can be arranged in multiple, and the specific number and arrangement mode can be set according to actual needs. In this way, the motion stability of the fixed member 322 can be further improved by arranging multiple guide rods 33.

[0070] Of course, the technical scheme of the present application is not limited to this. In some embodiments, other guide structures such as linear guides can also be arranged, and the carrier 11 can be slidably connected with the linear guides to realize the smooth motion of the carrier 11. Alternatively, multiple guide structures can be used in cooperation to realize the smooth motion of the carrier 11. The specific implementation can be set according to actual needs, which is not limited herein.

[0071] Referring to Figure 3 In the embodiment of the present application, the driving member 323 is provided with an output shaft 323a at one end of the screw rod 321, and the output shaft 323a is rotatably arranged.

[0072] The straight line driving mechanism 32 further comprises a connecting shaft 324, two ends of the connecting shaft 324 are coaxially connected with the lead screw 321 and the output shaft 323a respectively.

[0073] Thus, the lead screw 321 can be synchronously rotated with the output shaft 323a through the connecting shaft 324, and then the lead screw 321 can be driven to rotate in a positive direction or a reverse direction around the first direction by controlling the output shaft 323a to rotate in a positive direction or a reverse direction, and then the fixed part 322 can drive the carrier 11 to reciprocate along the first direction.

[0074] Please refer to Figure 4 and Figure 5 In the embodiment of the utility model, the compression assembly 20 comprises:

[0075] Two supporting parts 21, two supporting parts 21 are oppositely spaced along the second direction perpendicular to the first direction and are separately arranged on two sides of the carrier 11, and

[0076] The compression part 22 is arranged as a roller shaft, the roller shaft is arranged between two supporting parts 21, two ends of the roller shaft are rotationally connected with two supporting parts 21 respectively, and is used for rotating around the second direction.

[0077] Wherein, the supporting part 21 can be provided with an axle hole, the end of the compression part 22 can be connected with a bearing, and the bearing is used for butting with the axle hole, so that the end of the roller shaft can be rotationally connected with the supporting part 21. Thus, the compression part 22 can be rotationally arranged, so that the plate cover 12 can be rolled by the compression part 22, so that the function of the compression cover device 100 can be realized by combining the rolling action of the compression part 22 and the straight line driving action of the driving assembly 30 on the compression cover assembly 10.

[0078] In some embodiments, the length dimension of the compression part 22 in the second direction is greater than or equal to the length dimension of the plate cover 12 in the second direction, so as to ensure that the compression part 22 is in sufficient compression fit with the plate cover 12 and guarantee the compression effect of the compression cover device 100 on the plate cover 12. Correspondingly, the supporting part 21 can comprise a first connecting section, a transition section and a second connecting section connected in sequence, the first connecting section is used for rotationally connecting with one end of the roller shaft, the second connecting section is used for installation butt joint with the machine table 31 of the driving assembly 30, the transition section is arranged along the second direction and is used for transitionally connecting the first connecting section and the second connecting section, so that the interval of the two first connecting sections of the two supporting parts 21 is matched with the length dimension of the compression part 22 in the second direction, and the interval of the two second connecting sections is matched with the length dimension of the machine table 31 in the second direction, so that the supporting part 21 can be stably supported between the compression part 22 and the machine table 31.

[0079] Please refer to Figure 5In the embodiment of the utility model, the compression assembly 20 further comprises an anti-warping piece 23, the anti-warping piece 23 is arranged above the carrier 11 and is arranged along the first direction with the compression piece 22,

[0080] The anti-warping piece 23 is used for abutting against one side of the cover 12 away from the reaction carrier 200 when the compression piece 22 presses the cover 12, so as to stop the cover 12 from warping.

[0081] In this way, when the compression piece 22 of the compression assembly 20 rolls on one end of the cover 12, the anti-warping piece 23 can stop the other end of the cover 12, so as to avoid the warping of the cover 12 and affect the compression of the cover 12, thereby facilitating the guarantee of the compression effect of the compression assembly 20 on the cover 12.

[0082] In the embodiment of the utility model, the compression piece 22 is arranged as a roller, the surface of the roller is provided with a flexible structure, and the flexible structure can be arranged in a deformable manner.

[0083] Specifically, the flexible structure can be arranged as a soft rubber material. In this way, when the compression piece 22 rolls on the cover 12, the surface of the roller can be well combined with the top surface of the cover 12, so as to facilitate the compression fit of the compression piece 22 on the cover 12.

[0084] Please refer to Figures 1 to 5 In the embodiment of the utility model, the cover pressing device 100 further comprises a detection assembly 40, and the detection assembly 40 comprises:

[0085] An induction switch 41, the induction switch 41 and the carrier 11 are arranged along the first direction with a spacing; and

[0086] A trigger piece 42, the trigger piece 42 is arranged on one side of the carrier 11 facing the induction switch 41, and is used for moving towards or away from the induction switch 41 along with the carrier 11.

[0087] Among them, the induction switch 41 can be fixedly arranged on the end of the driving assembly 30, and specifically can be arranged as a photoelectric switch; the trigger piece 42 can be fixedly arranged on the side of the carrier 11, and specifically can be arranged as a photoelectric baffle. By arranging the detection assembly 40, the position detection of the carrier 11 can be realized, and the collision of the carrier 11 with other components of the cover pressing device 100 due to excessive displacement can be avoided.

[0088] The utility model discloses still put forward a kind of detection equipment, the detection equipment includes gland device 100, the specific structure of the gland device 100 refers to above-mentioned embodiment, since the detection equipment has adopted all technical solutions of above-mentioned all embodiments, therefore at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer repeat.

[0089] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made under the technical concept of the utility model, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A capping device, characterized in that, The application relates to a capping device. The capping device comprises a capping assembly, a pressing assembly and a driving assembly. The capping assembly comprises a carrier and a plate cover. The pressing assembly comprises a pressing member arranged above the carrier and used for pressing the plate cover away from the reaction carrier. The driving assembly is in transmission connection with the carrier and used for driving the capping assembly to move relative to the pressing assembly along a first direction so as to press the plate cover against the reaction carrier.

2. A capping device as claimed in claim 1, characterised in that, The driving assembly comprises a machine table, a linear driving mechanism and a fixed member. The pressing member is arranged on the machine table. The carrier is arranged between the pressing member and the machine table and is slidably arranged relative to the machine table.

3. A capping device as claimed in claim 2, wherein The linear driving mechanism is arranged on the machine table and is in transmission connection with the carrier so as to drive the capping assembly to move relative to the machine table along the first direction. The linear driving mechanism comprises a screw rod, the fixed member and a driving member. The screw rod is arranged above the machine table and extends along the first direction. The fixed member is connected to one side of the carrier and is provided with a screw hole for inserting the screw rod and being in screw connection with the screw rod.

4. A capping device as claimed in claim 3, wherein The driving member is in transmission connection with one end of the screw rod and is used for driving the screw rod to rotate forward or reversely along the first direction so as to drive the fixed member to drive the carrier to reciprocate along the first direction.

5. The capping device of claim 3, wherein The fixed member is further provided with a guide hole. The driving assembly further comprises a guide rod which extends along the first direction and is slidably inserted into the guide hole.

6. A capping device as claimed in any one of claims 1 to 5, wherein, One end of the driving member is provided with an output shaft which is rotatably arranged. The linear driving mechanism further comprises a connecting member which is coaxially connected to the screw rod and the output shaft. The pressing assembly comprises two support members and the pressing member.

7. A capping device as claimed in claim 6, wherein The two support members are oppositely arranged along a second direction perpendicular to the first direction and are arranged on two sides of the carrier. The pressing member is arranged as a roller which is arranged between the two support members and is rotatably connected to the two support members.

8. The capping device of claim 6, wherein The pressing assembly further comprises an anti-warping member which is arranged above the carrier and is spaced apart from the pressing member along the first direction.

9. A capping device as claimed in any one of claims 1 to 5, wherein, The anti-warping member is used for abutting against one side of the plate cover away from the reaction carrier when the pressing member presses the plate cover. The surface of the roller is provided with a flexible structure which is arranged in a deformable mode. The capping device further comprises a detection assembly.

10. A detection device, characterized by The detection assembly comprises an inductive switch and a triggering member. The inductive switch is spaced apart from the carrier along the first direction. The triggering member is arranged on one side of the carrier facing the inductive switch and is used for moving towards or away from the inductive switch along with the carrier. The application further relates to a capping device as claimed in any one of claims 1 to 9.

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