CN217341495U

CN217341495U - Automatic supply device for test tubes

Info

Publication number: CN217341495U
Application number: CN202221809647.5U
Authority: CN
Inventors: 蔡磊; 牛涵闻; 张趁; 王林杰
Original assignee: Henan Institute of Science and Technology
Current assignee: Henan Institute of Science and Technology
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-09-02
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a test tube automatic feeding device, including test tube case and drive worm, drive worm's direction of transmission is from the right side to left side, the direction of transmission along drive worm in the test tube case is provided with the vertical test tube passageway of a plurality of side by side, the test tube passageway link up test tube case, form the thread groove between drive worm's the adjacent helical blade, the lower extreme port and the thread groove one-to-one of test tube passageway, front side at drive worm is provided with the first slide rail that carries out vertical spacing and horizontal support to the test tube afterbody, rear side at drive worm is provided with the second slide rail that carries out vertical spacing and horizontal support to the test tube head, drive worm revolves to the first slide rail of orientation. Through a plurality of test tube passageways that set up side by side in the test tube incasement for can store the volume of amplification test tube in the test tube case, the test tube in the test tube case can be discharged from the test tube case in proper order under the effect of first slide rail, second slide rail and transmission worm, thereby realizes the automatic supply of test tube, facilitate promotion and use.

Description

Automatic supply device for test tubes

Technical Field

The utility model relates to a pharynx swab collection technique, concretely relates to automatic feeding unit of test tube.

Background

At present, in the sampling process of throat swabs, the supply of test tubes is mostly manual supply, part of the supply is supplied by a mechanical conveying mechanism, and the supply of test tubes is rarely supplied by a mechanical arm, so that the mechanical conveying mechanism is suitable to be used as an automatic test tube supply device in terms of cost and efficiency.

CN113219187B plug-type test-tube rack automatic feeding device includes: the storage bin is provided with a plurality of storage chambers which are arranged along the X direction and used for storing the test tube racks; the X-direction sliding mechanism comprises a sliding base and an X driving mechanism; the test tube rack turnover mechanism comprises a turnover tray which is rotatably arranged on the sliding base and a turnover driving mechanism; the test tube rack push-pull mechanism comprises a drag hook and a Y-shaped driving mechanism; the drag hook is used for dragging the test tube rack in the storage chamber of the storage bin into the turnover tray and pushing the test tube rack after the turnover in the turnover tray back to the storage chamber of the storage bin. The structure is complicated and high in cost, and the whole structure is not convenient to integrate with other equipment.

In addition, the reagent tubes are collected, taken and placed through a conveying mechanism, a mechanical arm and the like, the cost is high, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides an automatic feeding device of test tube, aim at reduces automation equipment's cost for the automatic feeding test tube of pharynx swab collection equipment.

The utility model provides an automatic supply device of test tube, includes test tube case and drive worm, the direction of transmission of drive worm is from the right side to the left side follow in the test tube case the direction of transmission of drive worm is provided with the vertical test tube passageway of a plurality of side by side, the test tube passageway link up the test tube case, the test tube passageway is used for the range upon range of placing the vertical test tube of a plurality of, the drive worm transversely sets up and is located the below of test tube case, form the thread groove between the adjacent helical blade of drive worm, the lower extreme terminal surface of test tube case is close to the top of drive worm, the lower extreme port of test tube passageway with the thread groove one-to-one corresponds, be provided with the first slide rail that vertically spacing and horizontal support are carried out to the test tube afterbody in the front side of drive worm the rear side be provided with the second slide rail that vertically spacing and horizontal support are carried out test tube head, the rotation direction of the transmission worm faces to the first sliding rail.

For making the test tube discharge the utility model discloses the time is vertical state, further does: the left end port of the first slide rail is fixedly provided with a vertical baffle and a horizontal bottom plate which are arranged in parallel with the axial direction of the transmission worm, the left side edges of the vertical baffle and the horizontal bottom plate are flush with the left end face of the transmission worm, the vertical baffle is close to the front side of the transmission worm, a test tube clamping groove is formed between the vertical baffle and the thread groove, a test tube outlet of the test tube supply mechanism is formed between the left end of the helical blade, the left side edge of the vertical baffle and the left side edge of the horizontal bottom plate, and a bending part which guides the head of the test tube upwards and towards the vertical baffle is fixedly connected to the left end of the second slide rail. In order to improve the stability of the function of the bending part, further: the bending portion comprises a vertical push plate and a support plate which are perpendicular to each other, and the vertical push plate and the support plate are of arc structures which extend upwards and towards the vertical baffle.

For making the test tube case removable to avoid supplying the long time middle-end of test tube, further be: the lower part of the test tube box is inserted with a partition plate, the partition plate is blocked at the lower end port of the test tube channel, a fixed frame is fixedly arranged at the test tube box, and the test tube box is inserted on the fixed frame along the axial direction of the transmission worm.

In order to simplify the grafting structure, further: the middle parts of the side walls of the front side and the rear side of the test tube box are fixedly provided with transverse sliding strips, sliding grooves or supporting blocks are arranged on the fixing frame corresponding to the sliding strips, and the sliding strips are in sliding fit in the sliding grooves or on the supporting blocks.

In order to facilitate the assembly and the dismantlement baffle, further: one end of the partition extends outside the test tube box and forms a handle part, and the handle part is provided with a fan-arc-shaped handle groove.

Because the drive worm left end is provided with the test tube export, do not interfere the test tube from test tube exit exhaust structure for the left end that makes the drive worm, further: the left end face of the transmission worm is flush with the left end head of the helical blade of the transmission worm, the right end head of the transmission worm is fixedly connected with a driving shaft which is coaxially arranged, a fixing seat is fixedly arranged at the position of the driving shaft, and the driving shaft is rotatably installed on the fixing seat and driven by a driving motor.

The utility model has the advantages that: through set up a plurality of test tube passageways that parallel at the test tube incasement for can save the amplification volume test tube in the test tube case, the test tube in the test tube case can be discharged from the test tube case under first slide rail, second slide rail and drive worm's effect in proper order, thereby realizes the automatic supply of test tube, and test tube case, first slide rail, second slide rail and drive worm simple structure are convenient for process and with low costs, the utility model discloses overall structure is compact, and test tube is capacious and be convenient for change test tube case, facilitate promotion and use.

Drawings

Fig. 1 is a schematic structural view of the front view of the present invention;

fig. 2 is a structural schematic diagram of a back view angle of the present invention;

fig. 3 is a position relationship diagram of the middle test tube, the transmission worm, the first slide rail and the second slide rail of the present invention.

100. A test tube; 21. a test tube box; 211. a test tube channel; 212. a slide bar; 22. a partition plate; 221. a handle slot; 23. a drive shaft; 231. a fixed seat; 24. a first slide rail; 241. a vertical baffle; 242. a horizontal floor; 25. a drive worm; 251. a helical blade; 26. a second slide rail; 261. a bending section; 2611. a support plate; 2612. a vertical push plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.

An automatic test tube supply device is shown in fig. 1 and fig. 2, and includes a test tube box 21 and a transmission worm 25, the transmission direction of the transmission worm 25 is from right to left, a plurality of vertical test tube channels 211 are arranged in the test tube box 21 in parallel along the transmission direction of the transmission worm 25, the test tube channels 211 run through the test tube box 21, the test tube channels 211 are used for stacking a plurality of longitudinal test tubes, the transmission worm 25 is transversely arranged and located below the test tube box 21, thread grooves are formed between adjacent spiral blades 251 of the transmission worm 25, the lower end face of the test tube box 21 is close to the transmission worm 25, the lower end ports of the test tube channels 211 correspond to the top and continuous thread grooves of the transmission worm 25 one-to-one, a first slide rail 24 for longitudinally limiting and horizontally supporting the tail of the test tube is arranged on the front side of the transmission worm 25, the rear side of drive worm 25 is provided with the second slide rail 26 that carries out vertical spacing and horizontal support to the test tube head, the rotation of drive worm 25 is towards first slide rail 24, and the test tube in the test tube passageway 211 drops to the thread groove in, and the head of test tube supports on second slide rail 26, and the afterbody of test tube supports on first slide rail 24, and the degree of depth of thread groove is the same with the diameter of test tube, the lower extreme port of test tube passageway 211 is slightly higher than the thread groove to helical blade 251 on the drive worm 25 takes place to interfere with other test tubes when preventing the test tube of thread groove when removing.

A vertical baffle 241 and a horizontal bottom plate 242 which are arranged in parallel with the axial direction of the transmission worm 25 are fixedly arranged at the left end of the first slide rail 24, the left side edges of the vertical baffle 241 and the horizontal bottom plate 242 are flush with the left end face of the transmission worm 25, the vertical baffle 241 is close to the front side of the transmission worm 25, a test tube clamping groove is formed between the vertical baffle 241 and the thread groove, a test tube outlet is formed between the left end of the helical blade 251, the left side edge of the vertical baffle 241 and the left side edge of the horizontal bottom plate 242, and a bending part 261 which guides the head of the test tube upwards and towards the vertical baffle 241 is fixedly connected to the left end of the second slide rail 26. The bending part 261 comprises a vertical push plate 2612 and a support plate 2611 which are fixedly connected with each other, the vertical push plate 2612 and the support plate 2611 are both arc structures extending upwards and towards the vertical baffle 241, the support plate 2611 is used for lifting the head of the test tube, and the vertical push plate 2612 is used for enabling the test tube to move towards the vertical baffle 241.

A partition plate 22 is inserted into the lower part of the test tube box 21, the partition plate 22 is blocked at the lower end port of the test tube channel 211, and the test tube box 21 is inserted into the fixing frame along the axial direction of the transmission worm 25. When the test tube box 21 needs to be replaced, the empty test tube box 21 is only required to be pulled out from the fixing frame, then the test tube box 21 filled with the test tubes is inserted into the fixing frame, and the partition plate 22 on the test tube box 21 is pulled out, so that the test tubes in the test tube box 21 fall into the thread groove of the transmission worm 25. The middle parts of the side walls of the front side and the rear side of the test tube box 21 are fixedly provided with transverse sliding strips 212, the fixed frame is provided with sliding grooves or supporting blocks corresponding to the sliding strips 212, and the sliding strips 212 are in sliding fit in the sliding grooves or on the supporting blocks. One end of the partition 22 extends outside the test tube box 21 to form a handle, and the handle is provided with a fan-arc-shaped handle groove 221.

Referring to fig. 3, the left end face of the driving worm 25 is flush with the left end of the spiral blade 251, the right end of the driving worm 25 is fixedly connected with a driving shaft 23 coaxially arranged, and the driving shaft 23 is rotatably mounted on the fixing seat 231 and driven by a driving motor. Since the weight of the test tube 100 is mainly borne by the first and

second slide rails

24 and 26, the drive worm 25 only drives the test tube 100, so that the drive worm 25 can be kept laterally arranged only by the drive shaft 23.

The utility model discloses a theory of operation: stacking the test tubes 100 into the test tube channels 211, placing only one row of test tubes 100 in one test tube channel 211, wherein the axial direction of the test tubes 100 is perpendicular to the axial direction of the driving worm 25, the lowermost test tube 100 in the test tube channel 211 falls into the threaded groove, the head of the test tube 100 is supported on the second slide rail 26, the tail of the test tube 100 is supported on the first slide rail 24, the driving worm 25 rotates, so that the test tube 100 moves along the first slide rail 24 and the second slide rail 26 under the thrust of the helical blade 251 and moves to the bent portion 261 and the vertical baffle 241, after the test tube 100 is discharged from the left end of both the first slide rail 24 and the second slide rail 26, the head of the test tube 100 is lifted due to the guiding action of the bent portion 261, so that the tail of the test tube 100 falls into the clamping groove between the vertical baffle 241 and the driving worm, and in case that the driving worm 25 continues to rotate, the test tube 100 falls completely into the clamping groove, the rear horizontal bottom plate 242 is supported on the tail of the test tube 100 and makes the test tube 100 in a vertical state, the test tube 100 may then be discharged from the test tube 100 outlet in a vertical state by the thrust of the helical blade 251. Wherein the test tube 100 in the rightmost test tube passage 211 in the test tube box 21 is first emptied, and the test tube 100 in the leftmost test tube passage 211 in the test tube box 21 is finally emptied.

The foregoing illustrates and describes the principles, general 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 above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic supply device of test tubes is characterized in that: including test tube case and drive worm, drive worm's direction of transfer is from the right side to left the interior edge of test tube case the direction of transfer of drive worm is provided with the vertical test tube passageway of a plurality of side by side, the test tube passageway link up the test tube case, the drive worm transversely sets up and is located the below of test tube case, form the thread groove between drive worm's the adjacent helical blade, the lower extreme terminal surface of test tube case is close to the top of drive worm, the lower extreme port of test tube passageway with the thread groove one-to-one the front side of drive worm is provided with the first slide rail that carries out vertical spacing and horizontal support to the test tube afterbody the rear side of drive worm is provided with the second slide rail that carries out vertical spacing and horizontal support to the test tube head, the revolve of drive worm is to orientation first slide rail.

2. An automatic supply device of test tubes according to claim 1, characterized in that: the left end port of the first slide rail is fixedly provided with a vertical baffle and a horizontal bottom plate which are arranged in parallel with the axial direction of the transmission worm, the left side edges of the vertical baffle and the horizontal bottom plate are flush with the left end face of the transmission worm, the vertical baffle is close to the front side of the transmission worm, a test tube clamping groove is formed between the vertical baffle and the thread groove, a test tube outlet of the test tube supply mechanism is formed between the left end of the helical blade, the left side edge of the vertical baffle and the left side edge of the horizontal bottom plate, and a bending part which guides the head of the test tube upwards and towards the vertical baffle is fixedly connected to the left end of the second slide rail.

3. An automatic supply device of test tubes according to claim 2, characterized in that: the bending part comprises a vertical push plate and a support plate which are perpendicular to each other, and the vertical push plate and the support plate are of arc structures which are upward and extend towards the vertical baffle.

4. An automatic test tube supply device according to claim 1, wherein: the lower part of the test tube box is inserted with a partition plate, the partition plate is blocked at the lower end port of the test tube channel, a fixed frame is fixedly arranged at the test tube box, and the test tube box is inserted on the fixed frame along the axial direction of the transmission worm.

5. An automatic supply device of test tubes according to claim 4, characterized in that: the middle parts of the side walls of the front side and the rear side of the test tube box are fixedly provided with transverse sliding strips, sliding grooves or supporting blocks are arranged on the fixing frame corresponding to the sliding strips, and the sliding strips are in sliding fit in the sliding grooves or on the supporting blocks.

6. An automatic supply device of test tubes according to claim 4, characterized in that: one end of the partition board extends to the outer side of the test tube box and forms a handle part, and a sector arc-shaped handle groove is formed in the handle part.

7. An automatic supply device of test tubes according to claim 1, characterized in that: the left end face of the transmission worm is flush with the left end head of the helical blade of the transmission worm, the right end head of the transmission worm is fixedly connected with a driving shaft which is coaxially arranged, a fixing seat is fixedly arranged at the position of the driving shaft, and the driving shaft is rotatably installed on the fixing seat and driven by a driving motor.