CN215393622U

CN215393622U - Acupuncture mechanism and sample adding needle filter element stamping device with same

Info

Publication number: CN215393622U
Application number: CN202120321635.7U
Authority: CN
Inventors: 张传国; 李运奇; 雷敬新; 吴疆
Original assignee: Dongguan Aisikang Biotechnology Co ltd
Current assignee: Dongguan Aisikang Biotechnology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-01-04
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a needling mechanism and a sample adding needle filter element stamping device with the same, wherein the needling mechanism comprises a baffle seat, a needling adapter seat and a driving mechanism which is connected with the needling adapter seat and can enable the needling adapter seat to reciprocate along the vertical direction, the needling adapter seat is positioned above the baffle seat, a plurality of needling is uniformly arranged at the bottom of the needling adapter seat at equal intervals, the needling is used for pricking a filter element and pressing the filter element into a sample adding needle, the baffle seat is provided with a perforation through which the needling and the filter element can freely pass, and the sample adding needle cannot pass through the perforation.

Description

Acupuncture mechanism and sample adding needle filter element stamping device with same

Technical Field

The utility model relates to the field of medical consumable processing, in particular to a needling mechanism and a sample adding needle filter element stamping device with the same.

Background

In order to overcome the cross contamination caused by the permanent sample adding needle, the disposable sample adding needle has been widely used in clinical tests, at present, when the disposable sample adding needle is matched with an adapter of sample adding equipment, the problem of cross contamination caused by the contact between a sample/reagent in the sample adding needle and the adapter is easy to cause, thereby causing the inaccuracy of experimental data, in order to overcome the problem, the adapter is fully separated from the sample/reagent in the sample adding needle in the test process mainly by installing a filter element in the sample adding needle, thereby ensuring the test accuracy, at present, the filter element is mainly installed in the sample adding needle in two ways: firstly, through artifical pressure equipment, press the dress filter core in the application of sample needle promptly through manual, secondly semi-automatization's filter core stamping device, artifical put into application of sample needle port position department with the filter core to carry out punching press to the corresponding position through punching press mechanism to the filter core of application of sample needle port department, above-mentioned two kinds of modes, its efficiency is all lower.

Therefore, need to urgently develop a full-automatic filter core stamping device, with improve production efficiency and progressively liberate the labour, to full-automatic filter core stamping process at present, acupuncture mechanism impresses the filter core into application of sample needle after, acupuncture mechanism and application of sample needle break away from the process and mainly rely on the application of sample to resist the frictional force between acupuncture mechanism and the filter core to the decurrent pulling force of the extrusion formation of filter core to the application of sample needle, this kind of mode breaks away from the speed slower, and still there is application of sample needle and acupuncture mechanism and breaks away from the risk of failing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a needling mechanism and a sample adding needle filter element stamping device with the same, aiming at overcoming the defects in the prior art.

The utility model is realized by the following technical scheme:

the utility model provides a needling mechanism, includes baffle seat, acupuncture adapter seat, with the actuating mechanism that acupuncture adapter seat is connected and can make acupuncture adapter seat reciprocates along vertical direction, acupuncture adapter seat is located baffle seat top, the even equidistant a plurality of acupuncture that is provided with in bottom of acupuncture adapter seat, the acupuncture is arranged in pricking the filter core and with filter core pressure equipment to application of sample needle, be provided with the perforation that can supply acupuncture and filter core to pass through freely on the baffle seat, application of sample needle can not pass through the perforation.

When the filter core is installed additional to the application of sample needle needs:

the driving mechanism controls the acupuncture adapter seat to vertically move downwards, the acupuncture needle vertically moves downwards along with the acupuncture needle and penetrates through the through hole in the baffle seat to prick the filter element, then the driving mechanism controls the acupuncture adapter seat to vertically move upwards, and the through hole arranged in the baffle seat can allow the acupuncture needle and the filter element to freely pass through, so that the acupuncture needle pricked with the filter element moves upwards and penetrates through the through hole in the baffle seat under the driving of the driving mechanism and stops above the through hole.

Then, the whole needling mechanism moves to the position above the sample adding needle of the filter element to be loaded, the driving mechanism controls the needling adapter seat to vertically move downwards, the needling pricked the filter element vertically moves downwards along with the needling needle and penetrates through the through hole on the baffle seat, and the filter element is pressed downwards to the position with the corresponding height of the sample adding needle.

And then, the driving mechanism controls the acupuncture adapter seat to vertically move upwards, the downward pulling force of the sample adding to the filter element generated by the extrusion of the filter element resists the upward friction force of the acupuncture to the filter element, and meanwhile, when the driving mechanism continues to drive the acupuncture adapter seat to vertically move upwards, the sample adding needle cannot pass through the through hole on the baffle seat and is finally abutted to the baffle seat, and the sample adding needle can smoothly bring the filter element to fall off under the double-layer action.

Furthermore, the driving mechanism is an air cylinder, and a piston rod of the air cylinder is connected with the acupuncture adapter seat.

Furthermore, the cylinder is preferably a three-axis cylinder, a piston rod of the three-axis cylinder is fixedly connected with the acupuncture adapter seat through a push plate, and the three-axis cylinder is high in reciprocating precision and strong in stability.

Furthermore, the baffle seat comprises a bottom plate, a side plate and a top plate which are sequentially connected, the acupuncture adapter seat is positioned above the bottom plate, the baffle seat is of a U-shaped structure with a forward opening, and the occupied space of the acupuncture mechanism is reduced to a certain extent.

Furthermore, a top plate of the baffle seat is fixedly connected with a cylinder fixing seat, and the cylinder is fixed on the cylinder fixing seat.

Furthermore, a plurality of perforation holes corresponding to the acupuncture points one by one are formed in the bottom plate, each perforation hole is responsible for assisting the acupuncture point corresponding to the perforation hole in the dropping process of the sample adding needle after the process of adding the sample adding needle filter element is completed, namely, after the process of adding the plurality of sample adding needle filter elements is completed at one time, when the driving mechanism drives the acupuncture adapter seat to vertically move upwards, each sample adding needle is blocked by the corresponding perforation hole on the baffle seat.

Further, the through holes are formed in the side, far away from the side plates, of the bottom plate.

Furthermore, the through hole is in a U-shaped structure with an outward opening so as to be convenient for processing and forming, and can also be a round hole or a square hole, and the like, and the structural change still falls into the protection scope of the utility model.

Further, the acupuncture includes first part and second part, second part bottom is sharp-pointed form, the second part is used for pricking the filter core, when pricking the filter core, the filter core can be pricked into and can ensure not to cause great damage to filter core appearance structure by the sharp-pointed form part of acupuncture bottom can be quick.

Further, the second part is including being sharp-pointed shape prick the portion of getting and connecting the cylindric adaptation portion that is above pricking the portion of getting, when carrying out the filter core and prick, the filter core is pricked at first to sharp-pointed shape prick the portion of getting, adaptation portion on it along with the continuation downstream of acupuncture and extrude behind the entering filter core with the filter core friction, provide an ascending frictional force to the filter core, if do not set up adaptation portion, then the second part of acupuncture needs suitably to increase longitudinal length, otherwise, pricks the filter core and the upward movement in-process, and the filter core drops easily, and can reduce the longitudinal design size of whole second part to a certain extent through setting up cylindric adaptation portion.

By combining the structural characteristics of the utility model, compared with the prior art, the needling mechanism provided by the utility model has the following beneficial effects: after accomplishing the filter core pressure equipment to the application of sample needle, the following double-deck effort of accessible makes the application of sample needle can take the filter core to drop smoothly, and it drops fastly, and very big reduction the risk of the failure that drops: the first acting force, the downward pulling force to the filter element generated by the extrusion of the sample adding to the filter element resists the upward friction force to the filter element generated by the acupuncture, and the second acting force, when the driving mechanism continues to drive the acupuncture adapter seat to move vertically upwards, the sample adding needle can not pass through the perforation on the baffle seat and can be collided with the baffle seat most, so that the sample adding needle receives the downward acting force of the baffle seat.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a needling mechanism according to the present invention.

Fig. 2 is a schematic view of the operating state of the needling mechanism according to the present invention.

Fig. 3 is a schematic structural view of a baffle seat according to the present invention.

Fig. 4 is a schematic structural view of the needling of the present invention.

The device comprises a baffle seat 1, a perforation 101, a bottom plate 102, a side plate 103, a top plate 104, a needle punching adapter seat 2, a needle punching part 3, a first part 301, a pricking part 302, an adaptation part 303, a cylinder fixing seat 4, a cylinder with three axes 5 and a push plate 501.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture changes, the directional indicator changes accordingly.

As shown in fig. 1 and 2, a needling mechanism includes a baffle seat 1, a needling adapter seat 2, and a driving mechanism connected to the needling adapter seat 2 and capable of moving the needling adapter seat back and forth in a vertical direction, in this embodiment, the driving mechanism is a three-axis cylinder 5, a push plate 501 of the three-axis cylinder 5 is fixedly connected to the needling adapter seat 2, the needling adapter seat 2 is located above the baffle seat 1, eight needles 3 are uniformly and equally spaced at the bottom of the needling adapter seat, 8 through holes 101 for the needles and a filter element to pass through are respectively arranged at positions on the baffle seat 1 corresponding to the eight needles 3 one by one, the through holes are located on one side of the bottom plate far from the side plate 103, and the sample-adding needle cannot pass through the through holes 101.

As shown in fig. 1 to 3, in an embodiment, the baffle seat includes a bottom plate 102, a side plate 103 and a top plate 104 connected in sequence, the needle-punched adapter seat 2 is located above the bottom plate 102, the baffle seat is in a U-like structure with a forward opening, the top plate 104 is fixedly connected with a cylinder fixing seat 4, and the triaxial cylinder 5 is fixed on the cylinder fixing seat 4.

As shown in fig. 3, in an embodiment, the through hole 101 is a U-shaped structure with an outward opening, and may also be a circular hole or a square hole.

In another embodiment, as shown in fig. 1, 2 and 4, the needle 3 comprises a first part 301 and a second part comprising a pointed piercing section 302 and a cylindrically shaped accommodating section 303 connected above the piercing section 302.

The utility model relates to a needling mechanism for additionally installing a sample adding needle filter element, which is applied to a punching device of the sample adding needle filter element and comprises the following working processes:

when the filter core is installed additional to the application of sample needle needs: the air cylinder 5 controls the telescopic rod to extend out, the push plate 501 pushes the acupuncture adapter seat 2 to vertically move downwards, the eight acupuncture 3 vertically move downwards and penetrate through the through holes 101, corresponding to the eight acupuncture, on the baffle seat 1, the sharp-pointed pricking parts 302 of the acupuncture 3 firstly prick the filter element, the adaptation parts 303 on the acupuncture 3 extrude into the filter element along with the continuous downward movement of the acupuncture 3, then the air cylinder 5 controls the telescopic rod to shrink, the acupuncture adapter seat 2 is driven to vertically move upwards through the push plate 501, the eight acupuncture penetrate through the corresponding through holes, and then the acupuncture 3 stops above the through holes.

Then, the whole needling mechanism moves to the position above a sample adding needle of a filter element to be loaded, the air cylinder 5 controls the telescopic rod to extend out, the needling 3 which pricks the filter element moves vertically downwards along with the needle adapter seat 2 pushed by the push plate 501 and penetrates through the through hole 101 on the baffle seat, and the filter element is pressed to the position with the corresponding height of the sample adding needle.

Then, the three-axis cylinder 5 controls the telescopic rod to contract, the needle-punched adapter seat 2 is driven to vertically move upwards through the push plate 501, downward pulling force on the filter element generated by extrusion of the sample adding to the filter element resists upward friction force generated by needle punching to the filter element, meanwhile, when the driving mechanism continues to drive the needle-punched adapter seat to vertically move upwards, the sample adding needle cannot pass through the through hole on the baffle seat and is finally abutted to the baffle seat, and the sample adding needle can smoothly bring the filter element to fall off through the double-layer effect.

In the using process, for the sample adding needle plate with the needle hole specification of 8 (rows) × 12 (rows), the distribution arrangement of the eight needle sticks 3 on the needle adapter seat is adapted to the distribution arrangement of the needle hole positions of each row, the needle sticks 3 pick up 8 filter elements at a time and press-mount the filter elements one by one into the sample adding needles on the 8 needle hole positions of each row (since the sample adding needle plate, the filter elements and the sample adding needles are the same as the prior art, the drawing is not performed in the drawing of the embodiment), as the change of the embodiment, the distribution arrangement of the needle sticks 3 on the needle adapter seat can be adjusted, for example, the distribution arrangement is staggered corresponding to the needle hole positions on the sample adding needle plate, or the arrangement number is increased or decreased, which all belong to the protection scope of the present invention.

The applicant asserts that the above-described embodiments merely represent the basic principles, principal features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, and that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the utility model, which will fall within the scope of the utility model as claimed.

The present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.

Claims

1. A needling mechanism comprises a baffle seat, a needling adapter seat and a driving mechanism which is connected with the needling adapter seat and can make the needling adapter seat reciprocate along the vertical direction, and is characterized in that: the needle punching adapter seat is located above the baffle seat, a plurality of needle punching are evenly arranged at the bottom of the needle punching adapter seat at equal intervals, the needle punching is used for punching the filter element and pressing the filter element into the sample adding needle, the baffle seat is provided with through holes through which the needle punching and the filter element can freely pass, and the sample adding needle cannot pass through the through holes.

2. A lancing mechanism according to claim 1, wherein: the driving mechanism is a cylinder, and a piston rod of the cylinder is connected with the acupuncture adapter seat.

3. A lancing mechanism according to claim 2, wherein: the air cylinder is a three-axis air cylinder, and a piston rod of the three-axis air cylinder is fixedly connected with the acupuncture adapter seat through a push plate.

4. A lancing mechanism according to claim 2, wherein: the baffle seat comprises a bottom plate, a side plate and a top plate which are sequentially connected, the acupuncture adapter seat is positioned above the bottom plate, and the baffle seat is of a U-shaped structure with a forward opening.

5. A lancing mechanism according to claim 4, wherein: the bottom plate is provided with a plurality of through holes which correspond to the acupuncture one to one.

6. A lancing mechanism according to claim 5, wherein: the through holes are positioned on one side of the bottom plate far away from the side plates.

7. A lancing mechanism according to claim 6, wherein: the through hole is of a U-shaped structure with an outward opening.

8. A lancing mechanism according to claim 1, wherein: the acupuncture includes first part and second part, the second part bottom is sharp-pointed form, the second part is used for pricking the filter core.

9. A lancing mechanism according to claim 8, wherein: the second component comprises a sharp-pointed pricking part and a cylindrical adapting part connected above the pricking part.

10. The utility model provides a sample application needle filter core stamping device which characterized in that: comprising a lancing mechanism according to any one of claims 1 to 9.