Feeding needle assembly and feeding needle equipment

Abstract

The utility model provides a feeding needle assembly and feeding needle equipment. The feeding needle assembly comprises a rack, a needle plate tray, a feeding needle module and a cleaning module. The needle plate tray is movably installed on the rack and moves in the Y-axis direction. The needle plate tray is used for supporting the 96-well plate; the 96-well plate is provided with a plurality of reagent grooves, and each reagent groove is used for accommodating a reagent to be absorbed; the feeding needle module comprises an X-axis moving seat, a Z-axis lifting seat and a feeding needle; the X-axis moving seat is movably mounted on the rack, and the Z-axis lifting seat is mounted on the X-axis moving seat in a lifting manner and supports the feeding needle; the feeding needle is driven by the X-axis moving seat and the Z-axis lifting seat to move in the X-axis direction and the Z-axis direction, and the feeding needle absorbs a reagent to be absorbed contained in each reagent tank under the action of negative pressure; therefore, the 96-well plate can move in the Y-axis direction, the feeding needle can move in the X-axis direction and the Z-axis direction at the same time, the interaction effect between the needle plate tray and the feeding needle module is guaranteed, and the working efficiency of the feeding needle assembly is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feed needle equipment, in particular to a feed needle assembly and a feed needle equipment. Background Art

[0002] With the development of science and technology, the feed needle device is applied in industry. The feed needle device is used to absorb the reagent to be absorbed in the 96-well plate, and the feed needle assembly is a part of the feed needle device. In the prior art, the existing feed needle assembly includes a frame, a needle plate tray and a feed needle module. The feed needle module is movably connected to the frame to adjust the position of the feed needle module relative to the frame. The needle plate tray is fixed to the frame and cannot move in the Y-axis direction. At this time, the needle plate tray is in a stationary state relative to the frame and cannot move in the Y-axis direction, which affects the interaction effect between the needle plate tray and the feed needle module, thereby affecting the working efficiency of the feed needle assembly. Utility Model Content

[0003] The utility model aims to provide a feeding needle assembly and a feeding needle device, wherein a needle plate tray is movably mounted on a frame and moves along the Y-axis direction; the needle plate tray is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each of which is used to accommodate reagents to be absorbed; a feeding needle module is arranged on one side of the needle plate tray, and the feeding needle module comprises an X-axis moving seat, a Z-axis lifting seat and a feeding needle; the X-axis moving seat is movably mounted on the frame, and the Z-axis lifting seat is movably mounted on the X-axis moving seat and supports the feeding needle; the feeding needle is moved between the X-axis moving seat and the Z-axis lifting seat. The 96-well plate moves along the Y-axis direction and the feed needle moves along the X-axis direction and the Z-axis direction at the same time, thereby ensuring that the feed needle passes through each receiving slot, ensuring the interaction effect between the needle plate tray and the feed needle module, and improving the working efficiency of the feed needle assembly. The cleaning module is installed on the frame, and the cleaning module is arranged on one side of the needle plate tray and is used to clean the feed needle, so that the feed needle can be cleaned by the cleaning module.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A feed needle assembly is applied to a feed needle device; the feed needle assembly comprises:

[0006] frame;

[0007] A needle plate tray is movably mounted on the frame and moves along the Y-axis direction; the needle plate tray is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each of which is used to accommodate a reagent to be absorbed;

[0008] A feed needle module is arranged on one side of the needle plate tray, and the feed needle module includes an X-axis movable seat, a Z-axis lifting seat and a feed needle; the X-axis movable seat is movably mounted on the frame, and the Z-axis lifting seat is movably mounted on the X-axis movable seat and supports the feed needle; the feed needle moves in the X-axis direction and the Z-axis direction under the drive of the X-axis movable seat and the Z-axis lifting seat, and the feed needle absorbs the reagent to be absorbed contained in each reagent tank under the action of negative pressure;

[0009] A cleaning module is installed on the frame. The cleaning module is arranged on one side of the needle plate tray and is used for cleaning the feed needle.

[0010] Optionally, a Y-axis moving module is provided between the needle plate tray and the frame, and the Y-axis moving module is built into the frame and is located below the needle plate tray.

[0011] Optionally, the Y-axis moving module includes a first motor, a first synchronous belt transmission module, and a first connecting seat;

[0012] The first synchronous belt transmission module is connected to the first motor and driven by the first motor;

[0013] The first connecting seat is connected to the first synchronous belt in the first synchronous belt transmission module, and moves along the Y-axis direction as the first synchronous belt rotates; the first connecting seat is connected to the needle plate tray, and drives the needle plate tray to move in the Y-axis direction.

[0014] Optionally, the frame is provided with a first track groove, and the first track groove extends along the Y-axis direction;

[0015] The first connecting seat is convexly provided with a first guide portion, the first guide portion passes through the first track groove and is guide-connected with the first track groove.

[0016] Optionally, the needle plate tray is provided with a receiving groove, and the opening of the receiving groove extends upward;

[0017] The 96-well plate is accommodated in the accommodating groove from top to bottom and is positioned and connected to the accommodating groove.

[0018] Optionally, the cleaning module includes a cleaning seat, the cleaning seat has a groove built therein, and the groove is used to accommodate clean water or cleaning liquid;

[0019] The feed needle is inserted into the cleaning seat and is cleaned by clean water or cleaning liquid in the groove.

[0020] Optionally, the feed needle module further includes an X-axis moving module, and the X-axis moving module includes a second motor, a second synchronous belt transmission module, and a second connecting seat;

[0021] The second synchronous belt transmission module is connected to the second motor and driven by the second motor;

[0022] The second connecting seat is connected to the second synchronous belt in the second synchronous belt transmission module and moves along the X-axis direction as the second synchronous belt rotates; the second connecting seat is connected to the X-axis moving seat and drives the X-axis moving seat to move in the X-axis direction.

[0023] Optionally, the feed needle module further includes a Z-axis lifting module, and the Z-axis lifting module includes a third motor and a screw transmission module;

[0024] The screw transmission module is connected to the third motor and driven by the third motor; the screw transmission module is arranged in the up and down direction;

[0025] The Z-axis lifting seat is connected to the lifting end of the screw transmission module and rises and falls with the lifting of the lifting end.

[0026] Optionally, the feed needle module further includes a plurality of guide shafts, which are installed on the X-axis moving seat in the up-down direction and pass through the Z-axis lifting seat;

[0027] The Z-axis lifting seat is connected to the plurality of guide shafts;

[0028] The upper end of the feed needle is connected to an external negative pressure part, and the lower end of the feed needle is used to absorb the reagent to be absorbed.

[0029] A feed needle device comprises the feed needle assembly.

[0030] Compared with the prior art, the beneficial effects of the utility model are:

[0031] The utility model provides a feeding needle assembly and a feeding needle device. The needle plate tray is movably mounted on a frame and moves along the Y-axis direction; the needle plate tray is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each of which is used to accommodate reagents to be absorbed; a feeding needle module is arranged on one side of the needle plate tray, and the feeding needle module comprises an X-axis moving seat, a Z-axis lifting seat and a feeding needle; the X-axis moving seat is movably mounted on the frame, and the Z-axis lifting seat is movably mounted on the X-axis moving seat and supports the feeding needle; the feeding needle is moved between the X-axis moving seat and the Z-axis lifting seat. Driven to move in the X-axis and Z-axis directions, the feed needle absorbs the reagent to be absorbed contained in each reagent slot under the action of negative pressure; so that the 96-well plate moves along the Y-axis direction and the feed needle moves along the X-axis and Z-axis directions at the same time, thereby ensuring that the feed needle passes through each receiving slot, ensuring the interaction effect between the needle plate tray and the feed needle module, and improving the working efficiency of the feed needle assembly. The cleaning module is installed on the frame, the cleaning module is arranged on one side of the needle plate tray, and is used to clean the feed needle, so that the feed needle is cleaned by the cleaning module. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0033] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0034] Figure 1 A schematic diagram of a feed needle assembly according to an embodiment of the present application is shown.

[0035] Figure 2 A schematic diagram showing the connection between the frame of the feed needle assembly and the Y-axis moving module according to an embodiment of the present application is shown.

[0036] Figure 3 A schematic diagram of a needle plate tray of a feed needle assembly according to one embodiment of the present application is shown.

[0037] Figure 4 A schematic diagram of a feed needle module of a feed needle assembly according to an embodiment of the present application is shown.

[0038] Figure 5 A schematic diagram of a cleaning module of a feed needle assembly according to an embodiment of the present application is shown.

[0039] Reference numerals

[0040] 100. Feed needle assembly;

[0041] 10. frame; 10a. first track groove;

[0042] 20. Needle plate tray; 20a. Accommodating slot;

[0043] 30. Feed needle module; 31. X-axis moving seat; 32. Z-axis lifting seat; 33. Feed needle; 34. X-axis moving module; 341. Second motor; 342. Second synchronous belt drive module; 343. Second connecting seat; 35. Z-axis lifting module; 351. Third motor; 352. Screw drive module; 36. Guide shaft;

[0044] 40. cleaning module; 41. cleaning seat; 41a. groove;

[0045] 50. Y-axis moving module; 51. first motor; 52. first synchronous belt transmission module; 521. first synchronous wheel; 522. first synchronous belt; 53. first connecting seat; 531. first guide part. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the 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 of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0047] Please refer to the attached Figures 1 to 5 An embodiment of the present application provides a feed needle assembly 100, which is applied to a feed needle device. The feed needle assembly 100 is used to absorb the reagent to be absorbed in a 96-well plate. The feed needle assembly 100 includes a frame 10, a needle plate tray 20, a feed needle module 30 and a cleaning module 40. The needle plate tray 20, the feed needle module 30 and the cleaning module 40 are all arranged on the upper side of the frame 10.

[0048] In the embodiment of the present application, the frame 10 serves as a supporting component of the feed needle assembly 100 , and the frame 10 is used to support the needle plate tray 20 , the feed needle module 30 and the cleaning module 40 .

[0049] In an embodiment of the present application, the needle plate tray 20 is arranged on the upper side of the frame 10, and the needle plate tray 20 can be movably installed on the frame 10 and move along the Y-axis direction to facilitate adjustment of the position of the needle plate tray 20 relative to the frame 10, thereby facilitating adjustment of the Y-axis direction of the needle plate tray 20 relative to the frame 10; the needle plate tray 20 is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each reagent slot is used to accommodate a reagent to be absorbed, so that the 96-well plate moves with the movement of the needle plate tray 20, thereby facilitating adjustment of the position of the 96-well plate relative to the frame 10.

[0050] At this time, a Y-axis moving module 50 is provided between the needle plate tray 20 and the frame 10. The Y-axis moving module 50 is located between the needle plate tray 20 and the frame 10. The Y-axis moving module 50 is built into the frame 10 and is located below the needle plate tray 20. The fixed end of the Y-axis moving module 50 is connected to the frame 10, and the moving end of the Y-axis moving module 50 is connected to the needle plate tray 20, and drives the needle plate tray 20 to move along the Y-axis direction, so that the needle plate tray 20 can move along the Y-axis direction through the Y-axis moving module 50.

[0051] Among them, the Y-axis moving module 50 includes a first motor 51, a first synchronous belt transmission module 52, and a first connecting seat 53; the first synchronous belt transmission module 52 is connected to the first motor 51 and is driven by the first motor 51, so that the first synchronous belt transmission module 52 rotates under the action of the first motor 51; the first connecting seat 53 is connected to the first synchronous belt 522 in the first synchronous belt transmission module 52, and moves along the Y-axis direction with the rotation of the first synchronous belt 522, so that the first connecting seat 53 can realize movement along the Y-axis direction through the first motor 51 and the first synchronous belt transmission module 52; the first connecting seat 53 is connected to the needle plate tray 20, and drives the needle plate tray 20 to move in the Y-axis direction, so that the needle plate tray 20 moves along the Y-axis direction with the movement of the first connecting seat 53.

[0052] Optionally, the first synchronous belt drive module 52 includes two first synchronous wheels 521 and a first synchronous belt 522, the two first synchronous wheels 521 are arranged at intervals along the Y-axis direction, the first synchronous belt 522 is sleeved on the two first synchronous wheels 521, and the two first synchronous wheels 521 are respectively connected to the first motor 51 and the frame 10, so that the first motor 51 drives the two first synchronous wheels 521 and the first synchronous belt 522 to rotate, and the needle plate tray 20 is connected to the first synchronous belt 522.

[0053] In addition, the frame 10 is provided with a first track groove 10a, which extends along the Y-axis direction; the first connecting seat 53 is protrudingly provided with a first guide portion 531, which passes through the first track groove 10a and is guided and connected to the first track groove 10a. The first guide portion 531 and the first track groove 10a are clearance-matched, so that the first connecting seat 53 can be moved relative to the frame 10 through the first guide portion 531 and the first track groove 10a, thereby facilitating the first connecting seat 53 to be automatically moved under the drive of the first motor 51 and the first synchronous belt drive module 52.

[0054] In the embodiment of the present application, the needle plate tray 20 is provided with a receiving groove 20a, and the opening of the receiving groove 20a extends upward; the inner contour of the receiving groove 20a is adapted to the outer contour of the 96-well plate, and the 96-well plate is received in the receiving groove 20a from top to bottom, and is positioned and connected to the receiving groove 20a, so that the 96-well plate can be connected to the needle plate tray 20 through the receiving groove 20a, thereby ensuring the positional accuracy between the 96-well plate and the needle plate tray 20.

[0055] In the embodiment of the present application, the feed needle module 30 is arranged on the left side of the needle plate tray 20, and the feed needle module 30 includes an X-axis movable seat 31, a Z-axis lifting seat 32 and a feed needle 33; the X-axis movable seat 31 is movably mounted on the frame 10 to facilitate adjustment of the X-axis direction of the X-axis movable seat 31 relative to the frame 10, and the Z-axis lifting seat 32 is movably mounted on the X-axis movable seat 31 to facilitate adjustment of the Z-axis direction of the Z-axis lifting seat 32 relative to the X-axis movable seat 31, and the Z-axis lifting seat 32 supports the feed needle 33. The feed needle 33 moves in the X-axis direction and the Z-axis direction driven by the X-axis moving seat 31 and the Z-axis lifting seat 32. The feed needle 33 absorbs the reagents to be absorbed contained in each reagent tank under the action of negative pressure, so that the 96-well plate moves along the Y-axis direction and the feed needle 33 moves along the X-axis direction and the Z-axis direction at the same time, thereby ensuring that the feed needle 33 passes through each receiving slot 20a, ensuring the interaction effect between the needle plate tray 20 and the feed needle module 30, and improving the working efficiency of the feed needle assembly 100.

[0056] At this time, the feed needle module 30 also includes an X-axis moving module 34, which includes a second motor 341, a second synchronous belt drive module 342, and a second connecting seat 343; the second synchronous belt drive module 342 is connected to the second motor 341 and is driven by the second motor 341, so that the second synchronous belt drive module 342 rotates under the action of the second motor 341; the second connecting seat 343 is connected to the second synchronous belt in the second synchronous belt drive module 342, and moves along the X-axis direction with the rotation of the second synchronous belt, so that the second connecting seat 343 can move along the X-axis direction through the second motor 341 and the second synchronous belt drive module 342; the second connecting seat 343 is connected to the X-axis moving seat 31, and drives the X-axis moving seat 31 to move in the X-axis direction, so that the X-axis moving seat 31 moves along the X-axis direction with the movement of the second connecting seat 343.

[0057] In the embodiment of the present application, the feed needle module 30 also includes a Z-axis lifting module 35, which is connected to the X-axis moving seat 31 so that the Z-axis lifting module 35 moves as the X-axis moving seat 31 moves along the X-axis direction; the Z-axis lifting module 35 includes a third motor 351 and a screw transmission module 352; the screw transmission module 352 is connected to the third motor 351 and is driven by the third motor 351; the screw transmission module 352 is arranged in the up and down direction so that the screw transmission module 352 can be lifted and lowered under the action of the third motor 351; the Z-axis lifting seat 32 is connected to the lifting end of the screw transmission module 352 and is lifted and lowered as the lifting end is lifted and lowered, so that the Z-axis lifting seat 32 can be lifted and lowered along the Z-axis direction through the third motor 351 and the screw transmission module 352, thereby facilitating the feed needle 33 to move in the X-axis direction and the Z-axis direction driven by the X-axis moving seat 31 and the Z-axis lifting seat 32.

[0058] At this time, the feed needle module 30 also includes a plurality of guide shafts 36, which are installed on the X-axis moving seat 31 along the up and down directions, and pass through the Z-axis lifting seat 32; the Z-axis lifting seat 32 is guided and connected with the plurality of guide shafts 36, so that the Z-axis lifting seat 32 can be lifted and lowered under the guiding action of the plurality of guide shafts 36, thereby facilitating the improvement of the lifting smoothness of the Z-axis lifting seat 32.

[0059] In the embodiment of the present application, the upper end of the feed needle 33 is connected to the external negative pressure part, and the lower end of the feed needle 33 is used to absorb the reagent to be absorbed, so that the lower end of the feed needle 33 absorbs the reagent to be absorbed contained in each reagent tank under the action of negative pressure.

[0060] In an embodiment of the present application, a cleaning module 40 is installed on the frame 10. The cleaning module 40 is arranged on the rear side of the needle plate tray 20 and is used to clean the feed needle 33. The feed needle 33 is moved to the cleaning module 40 driven by the X-axis moving seat 31 and the Z-axis lifting seat 32 so that the feed needle 33 can be cleaned by the cleaning module 40.

[0061] At this time, the cleaning module 40 includes a cleaning seat 41, which has a groove 41a built in it. The groove 41a is used to accommodate clean water or cleaning liquid, so that the clean water or cleaning liquid can be stored in the cleaning seat 41; the feed needle 33 is inserted into the cleaning seat 41 and is cleaned by clean water or cleaning liquid in the groove 41a, so that the clean water or cleaning liquid can clean the feed needle 33 to achieve cleaning of the feed needle 33.

[0062] In another embodiment, a feeding needle device includes a feeding needle assembly 100 , where the feeding needle assembly 100 is a part of the feeding needle device, and the feeding needle device is used to absorb a reagent to be absorbed in a 96-well plate.

[0063] Compared with the prior art, the beneficial effects of the utility model are:

[0064] The utility model provides a feeding needle assembly 100 and a feeding needle device, wherein a needle plate tray 20 is movably mounted on a frame 10 and moves along the Y-axis direction; the needle plate tray 20 is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each of which is used to accommodate a reagent to be absorbed; a feeding needle module 30 is arranged on one side of the needle plate tray 20, and the feeding needle module 30 includes an X-axis moving seat 31, a Z-axis lifting seat 32 and a feeding needle 33; the X-axis moving seat 31 is movably mounted on the frame 10, and the Z-axis lifting seat 32 is movably mounted on the X-axis moving seat 31 and supports the feeding needle 33; the feeding needle 33 is moved between the X-axis moving seat 31 and the Z-axis lifting seat 32 is driven to move in the X-axis direction and the Z-axis direction, and the feed needle 33 absorbs the reagent to be absorbed contained in each reagent tank under the action of negative pressure; so that the 96-well plate moves along the Y-axis direction and the feed needle 33 moves along the X-axis direction and the Z-axis direction at the same time, thereby ensuring that the feed needle 33 passes through each receiving groove 20a, ensuring the interaction effect between the needle plate tray 20 and the feed needle module 30, and improving the working efficiency of the feed needle assembly 100, the cleaning module 40 is installed on the frame 10, the cleaning module 40 is arranged on one side of the needle plate tray 20, and is used to clean the feed needle 33, so that the feed needle 33 is cleaned by the cleaning module 40.

[0065] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0066] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0067] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A feed needle assembly, characterized in that: Applicable to a feed needle device; the feed needle assembly comprises: frame; A needle plate tray is movably mounted on the frame and moves along the Y-axis direction; the needle plate tray is used to support a 96-well plate; the 96-well plate has a plurality of reagent slots, each of which is used to accommodate a reagent to be absorbed; A feed needle module is arranged on one side of the needle plate tray, and the feed needle module includes an X-axis movable seat, a Z-axis lifting seat and a feed needle; the X-axis movable seat is movably mounted on the frame, and the Z-axis lifting seat is movably mounted on the X-axis movable seat and supports the feed needle; the feed needle moves in the X-axis direction and the Z-axis direction under the drive of the X-axis movable seat and the Z-axis lifting seat, and the feed needle absorbs the reagent to be absorbed contained in each reagent tank under the action of negative pressure; A cleaning module is installed on the frame. The cleaning module is arranged on one side of the needle plate tray and is used for cleaning the feed needle.

2. The feed needle assembly according to claim 1, characterized in that: A Y-axis moving module is provided between the needle plate tray and the frame. The Y-axis moving module is built into the frame and is located below the needle plate tray.

3. The feed needle assembly according to claim 2, characterized in that: The Y-axis moving module includes a first motor, a first synchronous belt transmission module, and a first connecting seat; The first synchronous belt transmission module is connected to the first motor and driven by the first motor; The first connecting seat is connected to the first synchronous belt in the first synchronous belt transmission module, and moves along the Y-axis direction as the first synchronous belt rotates; the first connecting seat is connected to the needle plate tray, and drives the needle plate tray to move in the Y-axis direction.

4. The feed needle assembly according to claim 3, characterized in that: The frame is provided with a first track groove, and the first track groove extends along the Y-axis direction; The first connecting seat is convexly provided with a first guide portion, the first guide portion passes through the first track groove and is guidingly connected to the first track groove.

5. The feed needle assembly according to claim 1, characterized in that: The needle plate tray is provided with a receiving groove, and the opening of the receiving groove extends upward; The 96-well plate is accommodated in the accommodating groove from top to bottom and is positioned and connected to the accommodating groove.

6. The feed needle assembly according to claim 1, characterized in that: The cleaning module comprises a cleaning seat, wherein the cleaning seat has a groove built therein, and the groove is used to accommodate clean water or cleaning liquid; The feed needle is inserted into the cleaning seat and is cleaned by clean water or cleaning liquid in the groove.

7. The feed needle assembly according to claim 1, characterized in that: The feed needle module also includes an X-axis moving module, and the X-axis moving module includes a second motor, a second synchronous belt transmission module, and a second connecting seat; The second synchronous belt transmission module is connected to the second motor and driven by the second motor; The second connecting seat is connected to the second synchronous belt in the second synchronous belt transmission module and moves along the X-axis direction as the second synchronous belt rotates; the second connecting seat is connected to the X-axis moving seat and drives the X-axis moving seat to move in the X-axis direction.

8. The feed needle assembly according to claim 1, characterized in that: The feed needle module also includes a Z-axis lifting module, and the Z-axis lifting module includes a third motor and a screw transmission module; The screw transmission module is connected to the third motor and driven by the third motor; the screw transmission module is arranged in the up and down direction; The Z-axis lifting seat is connected to the lifting end of the screw transmission module and rises and falls with the lifting of the lifting end.

9. The feed needle assembly according to claim 8, characterized in that: The feed needle module further includes a plurality of guide shafts, which are installed on the X-axis moving seat in the up-down direction and penetrate the Z-axis lifting seat; The Z-axis lifting seat is connected to the plurality of guide shafts; The upper end of the feed needle is connected to an external negative pressure part, and the lower end of the feed needle is used to absorb the reagent to be absorbed.

10. A feeding needle device, characterized in that: Comprising a feed needle assembly as claimed in any one of claims 1 to 9.

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