Automatic material ejection mechanism

Abstract

This utility model relates to the field of urinary catheter machine technology, specifically an automatic feeding mechanism. It includes a notch on the first side of a slide rail and a first elongated slot on the second side of the slide rail, the first elongated slot being opposite to the notch. A first infrared sensor and a second infrared sensor are fixedly mounted on the second side of the slide rail from top to bottom. The infrared radiation from the first infrared sensor is flush with the upper part of the cap on the test tube opening, and the infrared radiation from the second infrared sensor passes through the first elongated slot and is flush with the test tube body. The first and second infrared sensors are electrically connected to a controller. A baffle is located at the notch, and the baffle moves away from or into the notch under the drive of a switching assembly. The switching assembly is electrically connected to the controller. This utility model has advantages such as simple structure, reduced manufacturing cost, and reduced maintenance difficulty.

Description

Technical Field

[0001] This utility model relates to the field of urinary catheter machine technology, specifically to an automatic material ejection mechanism. Background Technology

[0002] In the medical field, the automated processing of urine samples by urine catheterization machines directly impacts the efficiency and accuracy of medical testing. In the sample processing workflow, the integrity of the test tube caps is crucial. Uncapped test tubes not only lead to sample spillage and cross-contamination, but may also alter the composition of the sample due to evaporation, affecting the accuracy of test results and even posing biosafety risks. Therefore, timely and accurate removal of uncapped test tubes is a key step in ensuring testing quality.

[0003] With the widespread adoption of automation technology in medical equipment, urinary catheterization machines are also gradually moving towards automation. However, existing automatic dispensing devices for uncapped test tubes still have many drawbacks. Some devices use simple mechanical structures and can only complete basic test tube delivery. They cannot accurately identify uncapped test tubes, let alone achieve efficient and accurate dispensing operations. Other devices with identification functions can detect and dispense uncapped test tubes, but these devices are often complex in structure, have high manufacturing costs, and are difficult to maintain, making it difficult to promote and apply them on a large scale in medical testing. Utility Model Content

[0004] In view of this, the present invention provides an automatic material ejection mechanism, which aims to solve the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic material ejection mechanism, comprising: The slide is inclined and has an opening at its lower end. The lower end of the test tube body passes through the opening. The width of the opening is adapted to the diameter of the test tube body. The mouth of the test tube is above the slide. The slide has a notch on the first side and a first long slot on the second side. The first long slot is arranged opposite to the notch. The first infrared sensor and the second infrared sensor are fixed on the second side of the slide from top to bottom. The infrared light of the first infrared sensor is flush with the top of the cap on the test tube opening. The infrared light of the second infrared sensor passes through the first long slot and is flush with the body of the test tube. The first infrared sensor and the second infrared sensor are electrically connected to the controller respectively. A baffle is provided at the notch, and the baffle moves away from or into the notch under the drive of a switching assembly, the switching assembly being electrically connected to the controller.

[0006] A further improvement of this invention is that the switching assembly includes: A push plate is fixed to the outside of the baffle. A drive assembly is connected to the push plate, and the push plate, driven by the drive assembly, moves the baffle away from the notch. A telescopic assembly is connected to the push plate, and the push plate enters the notch under the action of the telescopic assembly.

[0007] A further improvement of this utility model is that the driving component includes: The motor is fixed on a support plate on one side of the push plate, and the motor is electrically connected to the controller; A rotating plate is horizontally positioned, with its first end connected to the power output end of the motor, and its second end either in contact with or away from the push plate.

[0008] A further improvement of this utility model is that the telescopic component includes two optical axes arranged parallel to each other outside the first side of the slide. The optical axes are slidably connected to and pass through the push plate. Two bosses are fixedly provided at the free ends of the two optical axes respectively. An elastic element is provided on the optical axis between the push plate and the corresponding boss.

[0009] A further improvement of this utility model is that a rotating roller is provided at the second end of the rotating plate.

[0010] A further improvement of this invention is that the elastic element is a spring.

[0011] The technological advancements achieved by this utility model due to the adoption of the above technical solution are as follows: This utility model provides an automatic material ejection mechanism. The switching assembly uses common mechanical components such as optical shafts, springs, and rotating plates. It has a compact structure and reasonable design. Compared with existing products, it reduces manufacturing costs and maintenance difficulty. At the same time, the modular design makes each component easy to replace and repair, further improving the practicality and economy of the equipment. It is suitable for large-scale application in medical testing institutions.

[0012] In this invention, a first infrared sensor flush with the top of the test tube cap and a second infrared sensor flush with the body of the test tube are used to achieve dual detection of the test tube cap status. When the first infrared sensor detects a signal but the second infrared sensor does not, it can be accurately determined that the test tube is capless, greatly improving the accuracy of identifying capless test tubes. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments 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 these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of the automatic material ejection mechanism described in this utility model; Figure 2 This is a schematic diagram of the drive assembly of the automatic material ejection mechanism described in this utility model; Figure 3 This is a schematic diagram of the telescopic component of the automatic material ejection mechanism described in this utility model.

[0015] Explanation of reference numerals in the attached figures: 10-Slide, 102-First long slot, 11-First infrared sensor, 12-Second infrared sensor, 13-Baffle, 131-Push plate, 14-Test tube, 141-Cap, 20-Drive assembly, 21-Motor, 22-Rotating plate, 23-Roller, 30-Telescopic assembly, 31-Optical axis, 32-Boss, 33-Elastic element. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, in the following description, specific details such as particular system structures and technologies are set forth for illustrative purposes rather than for limiting purposes, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art should understand that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details hindering the description of the present invention.

[0017] The automatic material ejection mechanism provided by this utility model, in conjunction with the appendix to the instruction manual, Figure 1 To be continued Figure 3 It can be seen that the automatic material ejection mechanism mainly includes the following parts or components: slide 10, first infrared sensor 11, second infrared sensor 12, baffle 13, and switch assembly.

[0018] In this invention, the slide 10 is inclined, with an opening at its lower end (not shown in the figure). The lower end of the test tube 14 passes through the opening, and the width of the opening matches the diameter of the test tube 14. The opening of the test tube 14 is above the slide 10. A notch (not shown in the figure) is provided on the first side of the slide 10, and the notch is connected to the opening. A first elongated slot 102 is provided on the second side of the slide 10, and the first elongated slot 102 is arranged opposite to the notch. The first infrared sensor 11 and the second infrared sensor 12 are arranged from top to bottom. The first infrared sensor 11 is fixed on the second side of the slide 10. The infrared light of the first infrared sensor 11 is flush with the upper part of the cap 141 on the tube opening of the test tube 14. The infrared light of the second infrared sensor 12 passes through the first long slot 102 and is flush with the tube body of the test tube 14. The first infrared sensor 11 and the second infrared sensor 12 are electrically connected to the controller (not shown in the figure). The baffle 13 is located at the notch. The baffle 13 moves away from or into the notch under the drive of the switch assembly. The switch assembly is electrically connected to the controller.

[0019] In use, the test tube 14 to be tested slides downward along the inclined slide 10 under the action of gravity. When the test tube 14 slides into the detection area of ​​the first infrared sensor 11 and the second infrared sensor 12, the two infrared sensors work together to determine whether the test tube 14 has a cap. Test tube 14 with cap 141: The infrared light of the first infrared sensor 11 is blocked by the upper part of the cap 141 of the test tube 14, and at the same time the infrared light of the second infrared sensor 12 is blocked by the body of the test tube 14. At this time, both infrared sensors send signals to the controller. The controller determines that the test tube 14 is in normal condition, the baffle 13 remains at the notch, and the test tube 14 continues to slide down the slide 10 to the next process.

[0020] Uncapped test tube 141: The infrared light of the first infrared sensor 11 is not blocked (because there is no cap 141), while the infrared light of the second infrared sensor 12 is still blocked by the body of the test tube 14. At this time, the controller only receives the signal of the second infrared sensor 12, determines that the test tube 14 is uncapped 141, and triggers the subsequent kicking action.

[0021] When the controller determines that the test tube 14 is without a cap 141, it immediately sends a drive signal to the switch assembly. The switch assembly moves the baffle 13 away from the gap. The test tube 14 without a cap 141 slides down from the gap on the first side of the slide 10 under the action of gravity and enters the waste collection area. Subsequently, the switch assembly moves the baffle 13 back into the gap, restoring the closed state of the slide 10, and waiting for the next test tube 14 to be tested.

[0022] By setting a first infrared sensor 11 flush with the top of the cap 141 of the test tube 14 and a second infrared sensor 12 flush with the body of the test tube 14, dual detection of the cap 141 status of the test tube 14 is achieved. When the first infrared sensor 11 detects a signal but the second infrared sensor 12 does not detect a signal, it can be accurately determined that the test tube 14 is capless, greatly improving the accuracy of identifying capless test tubes 141.

[0023] Specifically, when the baffle 13 is at the notch, its inner wall is flush with the inner wall of the first side of the slide 10.

[0024] Specifically, the diameter of the opening of test tube 14 is larger than the diameter of the body of test tube 14.

[0025] Specifically, the design of the first elongated slot 102 allows the second infrared sensor 12 to penetrate the slide rail 10, enabling non-contact detection.

[0026] As one embodiment, in conjunction with the appendix to the specification Figure 2 To be continued Figure 3 As can be seen, the switch assembly includes a push plate 131, which is fixed to the outside of the baffle 13; a drive assembly 20 is connected to the push plate 131, and the push plate 131 moves the baffle 13 away from the notch under the drive of the drive assembly 20; a telescopic assembly 30 is connected to the push plate 131, and the push plate 131 enters the notch under the action of the telescopic assembly 30. The drive assembly 20 includes a motor 21, which is fixed to a support plate (not shown in the figure) on one side of the push plate 131, and the motor 21 is electrically connected to the controller; a rotating plate 22 is horizontally set, the first end of the rotating plate 22 is connected to the power output end of the motor 21, and the second end of the rotating plate 22 is in contact with or away from the push plate 131. The telescopic assembly 30 includes two optical shafts 31, which are parallel to each other on the outside of the first side of the slide rail 10. The optical shafts 31 are slidably connected to and pass through the push plate 131, and two bosses 32 are fixed to the free ends of the two optical shafts 31 respectively; an elastic element 33 is provided on the optical shaft 31 between the push plate 131 and the corresponding boss 32. The second end of the rotating plate 22 is provided with a rotating roller 23. The elastic element 33 is a spring.

[0027] When the capless tube 141 is detected, the motor 21 drives the rotating plate 22 to rotate. The roller 23 at the second end of the rotating plate 22 gradually approaches and pushes the push plate 131. The push plate 131 drives the baffle 13 to gradually disengage from the gap, and the gap gradually opens. The baffle 13 completely leaves the gap, and when the rotating plate 22 pushes the push plate 131 to the farthest point, the elastic element 33 is in a contracted state. The capless tube 141 slides from the gap into the waste collection area under the action of gravity. Subsequently, the motor 21 continues to drive the rotating plate 22 to rotate, and the elastic element 33 gradually relaxes, causing the push plate 131 to drive the baffle 13 to gradually approach the gap. After the roller 23 at the second end of the rotating plate 22 disengages from the push plate 131, the push plate 131 drives the baffle 13 to close the gap under the action of the relaxation of the elastic element 33.

[0028] Specifically, the design of roller 23 can reduce the frictional resistance between rotating plate 22 and push plate 131, thereby improving transmission efficiency.

[0029] Specifically, the guidance of the dual optical axes 31 ensures the linear movement of the push plate 131 and prevents the baffle 13 from getting stuck.

[0030] Specifically, the spring preload provides a stable restoring force while buffering the impact of the push plate 131.

[0031] It should be noted that in this patent application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. An automatic material ejection mechanism, characterized in that, include: The slide is inclined and has an opening at its lower end. The lower end of the test tube body passes through the opening. The width of the opening is adapted to the diameter of the test tube body. The mouth of the test tube is above the slide. The slide has a notch on the first side and a first long slot on the second side. The first long slot is arranged opposite to the notch. The first infrared sensor and the second infrared sensor are fixed on the second side of the slide from top to bottom. The infrared light of the first infrared sensor is flush with the top of the cap on the test tube opening. The infrared light of the second infrared sensor passes through the first long slot and is flush with the body of the test tube. The first infrared sensor and the second infrared sensor are electrically connected to the controller respectively. A baffle is provided at the notch, and the baffle moves away from or into the notch under the drive of a switching assembly, the switching assembly being electrically connected to the controller.

2. The automatic material ejection mechanism according to claim 1, characterized in that, The switching assembly includes: A push plate is fixed to the outside of the baffle. A drive assembly is connected to the push plate, and the push plate, driven by the drive assembly, moves the baffle away from the notch. A telescopic assembly is connected to the push plate, and the push plate enters the notch under the action of the telescopic assembly.

3. The automatic material ejection mechanism according to claim 2, characterized in that, The driving component includes: The motor is fixed on a support plate on one side of the push plate, and the motor is electrically connected to the controller; A rotating plate is horizontally positioned, with its first end connected to the power output end of the motor, and its second end either in contact with or away from the push plate.

4. The automatic material ejection mechanism according to claim 2, characterized in that, The telescopic component includes two optical axes, which are arranged parallel to each other outside the first side of the slide. The optical axes are slidably connected to and pass through the push plate. Two bosses are fixed at the free ends of the two optical axes respectively. An elastic element is provided on the optical axis between the push plate and the corresponding boss.

5. The automatic material ejection mechanism according to claim 3, characterized in that, The second end of the rotating plate is provided with a rotating roller.

6. The automatic material ejection mechanism according to claim 4, characterized in that, The elastic element is a spring.

Images