Reaction cup loading device

Abstract

The utility model provides a reaction cup loading device. The reaction cup loading device comprises a reaction cup storage container, a reaction cup conveying mechanism, a reaction cup loading mechanism and a reaction cup grabbing mechanism which are connected in sequence, the reaction cup conveying mechanism comprises a conveying belt body and stop blocks which are arranged on the outer side face of the conveying belt body at equal intervals, and the stop blocks are perpendicular to the conveying belt body and are arranged in a manner of being inclined by 40-50 degrees; the reaction cup loading mechanism comprises a cup outlet slide way and a first photoelectric sensor arranged on the outer side surface of the cup outlet slide way; and the reaction cup grabbing mechanism is provided with a second photoelectric sensor. Through the inclined design of the stop block, the beveled structure at the lower end of the loading port and the internally tangent structure of the side plate of the cup outlet slide way, transmission and loading from the reaction cup are facilitated; and meanwhile, a photoelectric sensor is arranged on the reaction cup grabbing mechanism to recognize and give an alarm on the abnormal condition of the reaction cup, so that the reaction cup loading efficiency is effectively improved, and the operation efficiency of the analytical instrument is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical electronic equipment, in particular to a reaction cup loading device. Background Art

[0002] Fully automatic chemiluminescence immunoassay instruments are widely used in clinical laboratories. Reaction cups are used as reaction containers in the detection of various immune indicators of blood, urine or other liquids. In order to avoid cross infection and the trouble of subsequent treatment, reaction cups are consumables and are mostly disposable items. The fully automatic chemiluminescence immunoassay system includes a reaction cup loading device, which is generally composed of a reaction cup storage container and a reaction cup conveying device. The reaction cup is pre-placed in the reaction cup storage container, and then the reaction cup is conveyed by the reaction cup conveying device.

[0003] Under the existing technology, commonly used reaction cup loading devices are prone to cup inversion, cup jamming, and multiple cups overlapping, which requires manual intervention, resulting in low efficiency of reaction cup loading and affecting the operating efficiency of the instrument. Utility Model Content

[0004] The utility model aims to provide a reaction cup loading device to solve the above-mentioned deficiencies of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cuvette loading device comprises a cuvette storage container, a cuvette conveying mechanism, a cuvette loading mechanism and a cuvette grabbing mechanism which are connected in sequence;

[0007] The reaction cup conveying mechanism includes a conveyor belt, a conveyor belt mounting bracket and a transmission wheel. The conveyor belt includes a conveyor belt body and blocks arranged at equal distances on the outer side of the conveyor belt body. The blocks are perpendicular to the conveyor belt body and have an axial angle of 40°-50° with the transmission wheel.

[0008] The reaction cup loading mechanism comprises a cup discharge slideway fixed to the side of the conveyor belt mounting bracket along the tilting direction of the stopper, and a first photoelectric sensor arranged on the outer side of the cup discharge slideway;

[0009] The reaction cup grabbing mechanism includes a support base with a groove on the upper end surface, a turntable assembly arranged in the groove and rotatably connected to the support base, and a second photoelectric sensor arranged on the support base. The outer side surface of the turntable assembly is provided with a plurality of reaction cup grabbing openings along its axial direction.

[0010] Furthermore, the conveyor belt mounting bracket includes two baffles arranged in parallel, the transmission wheel is fixed between the two ends of the two baffles through a wheel axle, and the conveyor belt is wound around the transmission wheel; a loading port that enables the reaction cup to slide out is provided at the connection between the baffle and the cup discharge slide, and the lower end of the loading port is a beveled structure.

[0011] Furthermore, the transmission wheel includes a driving pulley and a synchronous pulley, the driving pulley is connected to a motor, and the motor is fixedly mounted on the outer side of the baffle.

[0012] Furthermore, the cup discharge slide includes two parallel and symmetrically arranged side panels, the upper end surfaces of the side panels are inscribed structures, and a gap for the reaction cup to slide is formed between the side panels.

[0013] Furthermore, the support base is fixedly connected to the cup outlet of the cup outlet slideway, and a notch is provided at the connection to allow the reaction cup to enter the reaction cup grabbing port.

[0014] It can be seen from the above technical solutions that the reaction cup loading device of the utility model has the following beneficial technical effects compared with the prior art:

[0015] 1. The stopper on the conveyor belt is arranged obliquely, which is more convenient for bringing the cuvette from the cuvette storage container into the cuvette conveying device than the horizontal stopper;

[0016] 2. The lower end of the loading port is a 45° bevel structure. When the lower end of the stopper passes through the loading port, the stopper and the lower end of the loading port form a 45° slope slide, ensuring that the reaction cup can smoothly enter the cup discharge slide under the action of gravity;

[0017] 3. The upper end surfaces of the two side plates of the cup discharge slide are inscribed structures at a 45° inclination angle, and a gap for the reaction cup to slide is formed between the side plates, so that the contact area between the reaction cup and the cup discharge slide is point contact, which reduces the contact area and friction force to a limited extent;

[0018] 4. The reaction cup grabbing mechanism is provided with a second photoelectric sensor. If the reaction cup is inverted in the reaction cup grabbing mechanism, when the turntable assembly drives the abnormal reaction cup to rotate to the position of the second photoelectric sensor, the entire reaction cup loading device will pause and alarm at the same time to remind the staff to manually remove the obstacle, which effectively improves the efficiency of reaction cup loading and thereby improves the operating efficiency of the analytical instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall structure of the reaction cup loading device of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The overall structure of the reaction cup loading device of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 This is a structural schematic diagram of the reaction cup grabbing mechanism of the utility model;

[0022] In the figure: 1. reaction cup storage container; 2. reaction cup conveying mechanism; 21. conveyor belt; 22. conveyor belt mounting bracket; 23. block; 3. reaction cup loading mechanism; 31. cup discharge slide; 32. first photoelectric sensor; 4. reaction cup grabbing mechanism; 41. support base; 42. turntable assembly; 43. second photoelectric sensor; 44. reaction cup grabbing port. DETAILED DESCRIPTION

[0023] A preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1 and 2 The cuvette loading device shown comprises a cuvette storage container 1 , a cuvette conveying mechanism 2 , a cuvette loading mechanism 3 and a cuvette grabbing mechanism 4 which are connected in sequence.

[0025] The reaction cup storage container 1 described in this preferred embodiment is a hopper for adding and storing reaction cups, and is detachably connected to the lower end of the reaction cup conveying mechanism 2 .

[0026] The reaction cup conveying mechanism 2 described in this preferred embodiment includes a conveyor belt 21, a conveyor belt mounting bracket 22 and a transmission wheel. The conveyor belt includes a conveyor belt body and blocks 23 equidistantly arranged on the outer side of the conveyor belt body, and the blocks 23 are perpendicular to the conveyor belt body and have an axial angle of 45° with the transmission wheel; the conveyor belt mounting bracket 22 includes two parallel baffles, the transmission wheel is fixed between the two ends of the two baffles through a wheel axle, and the conveyor belt is wound around the transmission wheel; in specific use, the conveyor belt mounting bracket 22 is fixed by connecting the lower end surface to the mounting seat.

[0027] Furthermore, the transmission wheel includes a driving pulley and a synchronous pulley, the driving pulley is connected to a motor, the motor is fixedly mounted on the outer side of the baffle, the driving end of the motor is fixedly connected to the axle of the driving pulley, and after the motor is started, the driving pulley is driven to rotate through the axle and then drives the synchronous pulley to rotate.

[0028] The reaction cup loading mechanism 3 described in this preferred embodiment includes a cup discharge slide 31 fixed to the side of the conveyor belt mounting bracket 22 along the tilting direction of the stopper 23 and a first photoelectric sensor 32 arranged on the outer side of the cup discharge slide 31; the cup discharge slide 31 includes two parallel and symmetrically arranged side panels, the upper end surfaces of the side panels are 45° inscribed structures, and a gap for the reaction cup to slide is formed between the side panels, so that the contact area between the reaction cup and the cup discharge slide 31 is point contact, which reduces the contact area and friction force to a limited extent; a loading port for the reaction cup to slide out is provided at the connection between the side panel and the cup discharge slide 31, and the lower end of the loading port is a 45° bevel structure. When the lower end of the stopper passes through the loading port, the stopper and the lower end of the loading port form a 45° slope slide, and the reaction cup on the stopper 23 slides into the cup discharge slide under the action of gravity.

[0029] In specific use, since the process of transferring the reaction cups from the reaction cup storage container 1 to the reaction cup loading mechanism 3 is a continuous process, the reaction cups will accumulate and queue in the cup discharge slide 31. When the reaction cups are queued to the first photoelectric sensor 32, the reaction cup conveying mechanism 2 will stop the reaction cup conveying process. The position of the first photoelectric sensor 32 can be set according to the actual loading situation. In this preferred embodiment, the start and stop of the reaction cup conveying mechanism is controlled by a software program. When the position of the reaction cup queue triggers the first photoelectric sensor 32, the optical signal can be converted into an electrical signal and fed back to the software program, and the operation of the reaction cup conveying mechanism 2 is temporarily stopped.

[0030] like Figure 3 As shown, the reaction cup grabbing mechanism 4 described in this preferred embodiment includes a support base 41 with a groove on the upper end surface, a turntable assembly 42 arranged in the groove and rotatably connected to the support base 41, and a second photoelectric sensor 43 arranged on the support base, and the outer side surface of the turntable assembly is provided with a plurality of reaction cup grabbing openings 44 along its axial direction; specifically, a motor is provided at the lower end of the support base 41, and the turntable assembly 42 is fixedly connected to the driving end of the motor; the support base 41 is fixedly connected to the cup outlet of the cup outlet slide 31, and a notch is provided at the connection to allow the reaction cup to enter the reaction cup grabbing opening, and the diameter of the notch is not less than the diameter of the reaction cup.

[0031] The specific working process of the reaction cup loading device of the utility model is as follows:

[0032] First, a cuvette is placed in the cuvette storage container 1, and the cuvette conveying mechanism 2 is started, and the cuvette is transported from the cuvette storage container 1 to the loading port through the conveyor belt 21 and the stopper 23, and enters the cuvette loading mechanism 3;

[0033] Then the reaction cups slide on the cup discharge slideway 31 and enter the reaction cup grabbing area in turn to accumulate and queue. If the reaction cups are accumulated and queued to the first photoelectric sensor 32, the reaction cup conveying mechanism 2 stops.

[0034] At the same time, the cuvette grabbing mechanism 4 is started, and the cuvettes sequentially enter the cuvette grabbing port 44 of the turntable assembly 42, completing the cuvette loading process;

[0035] Repeating the above working process can achieve continuous loading of the reaction cup.

[0036] In specific use, if the reaction cup is inverted in the reaction cup grabbing mechanism 4, when the turntable assembly 42 drives the abnormal reaction cup to rotate to the position of the second photoelectric sensor 43, the entire reaction cup loading device will suspend work and alarm at the same time to remind the staff to manually remove the obstacle; because the reaction cup body has a supporting edge structure, and the distance from the upper part of the supporting edge to the reaction cup mouth is smaller than the distance from the lower part of the supporting edge to the bottom of the reaction cup, if the reaction cup is inverted, the supporting edge will be inverted at the reaction cup grabbing mouth 44, and the inverted reaction cup phenomenon can be monitored by presetting the height of the second photoelectric sensor 43. The start and stop of the grabbing mechanism 4 described in this preferred embodiment is controlled by a software program. When the reaction cup is inverted and the photoelectric sensor is triggered, the optical signal can be converted into an electrical signal and fed back to the software program, temporarily stopping the operation of the grabbing mechanism 4 and sounding an alarm.

[0037] The above-described embodiments are merely descriptions of preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A cuvette loading device, characterized in that: It includes a reaction cup storage container, a reaction cup conveying mechanism, a reaction cup loading mechanism and a reaction cup grabbing mechanism which are connected in sequence; The reaction cup conveying mechanism includes a conveyor belt, a conveyor belt mounting bracket and a transmission wheel. The conveyor belt includes a conveyor belt body and blocks arranged at equal distances on the outer side of the conveyor belt body. The blocks are perpendicular to the conveyor belt body and have an axial angle of 40°-50° with the transmission wheel. The reaction cup loading mechanism comprises a cup discharge slideway fixed to the side of the conveyor belt mounting bracket along the tilting direction of the stopper, and a first photoelectric sensor arranged on the outer side of the cup discharge slideway; The reaction cup grabbing mechanism includes a support base with a groove on the upper end surface, a turntable assembly arranged in the groove and rotatably connected to the support base, and a second photoelectric sensor arranged on the support base. The outer side surface of the turntable assembly is provided with a plurality of reaction cup grabbing openings along its axial direction.

2. A cuvette loading device according to claim 1, characterized in that: The conveyor belt mounting bracket includes two baffles arranged in parallel, the transmission wheel is fixed between the two ends of the two baffles through a wheel axle, and the conveyor belt is wound around the transmission wheel; a loading port that enables the reaction cup to slide out is provided at the connection between the baffle and the cup discharge slideway, and the lower end of the loading port is a beveled structure.

3. A reaction cup loading device according to claim 2, characterized in that: The transmission wheel comprises a driving pulley and a synchronous pulley, the driving pulley is connected to a motor, and the motor is fixedly mounted on the outer side of the baffle.

4. A reaction cup loading device according to claim 2, characterized in that: The cup discharge slideway comprises two parallel and symmetrically arranged side plates, the upper end surfaces of the side plates are inscribed structures, and a gap for the reaction cup to slide is formed between the side plates.

5. The cuvette loading device according to claim 1, characterized in that: The support base is fixedly connected to the cup outlet of the cup outlet slideway, and a notch is provided at the connection to allow the reaction cup to enter the reaction cup grabbing port.

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