CN103149062B - Blood sample automatic reciprocating type evenly mixing device - Google Patents

Abstract

The invention discloses a kind of blood sample automatic reciprocating type evenly mixing device, comprise test tube clamp, take-up housing, the up-down drive device be connected with take-up housing, the rotating driving device be fixed on take-up housing, the horizontal rectilinear motion drive unit that is fixed on the test tube holder in rotating driving device rotating shaft and is fixed on test tube stand, described test tube clamp comprises two hinged jig arm, and the jointed shaft of described test tube clamp is fixed on test tube holder; The handle section of described test tube clamp two jig arm is provided with the chute extended along handle, the driving member be slidably matched with it is provided with in described chute, the Power output portion of described horizontal rectilinear motion drive unit is connected with drive block, and described driving member is connected with drive block.By this device, automatically can realize picking and placeing test tube and mixed-blood, mixed-blood work efficiency is high; The simultaneously rotating driving device action of rotating test tube automatically mixed-blood is similar to artificial mixed-blood action, and automatic mixed-blood process can not damage eucaryotic cell structure, can ensure mixed-blood quality.

Description

Automatic reciprocating mixing device for blood samples

technical field

The invention relates to multiple liquid automatic mixing equipment, in particular to a blood mixing equipment.

Background technique

Due to the characteristics of strong aggregation and large specificity of red blood cells, the blood that leaves the human body will naturally settle and stratify after being placed for a period of time. Therefore, when the blood sample is measured by the medical measuring device, the blood sample must be mixed first.

At present, there are mainly huff-puff mixing methods and manual mixing methods, but the huff-puff mixing method is easy to destroy the cell structure in the blood, and the degree of mixing is not high, which affects the accuracy of the test results; and the efficiency of the manual mixing method Low and not easy to automate.

Contents of the invention

In view of this, the object of the present invention is to provide an automatic reciprocating mixing device for blood samples, which can improve the quality and work efficiency of blood mixing, and solve the defects existing in the existing blood mixing methods.

The automatic reciprocating mixing device for blood samples of the present invention includes a test tube holder, a slider seat, an up and down driving device connected with the slider seat for driving the slider seat to move up and down, and a rotary drive fixed on the slider seat with the rotating shaft arranged horizontally device, a test tube clamp seat fixed on the rotating shaft of the rotary drive device and a horizontal linear motion drive device fixed on the test tube stand, the test tube clamp includes two hinged clamp arms, and the hinge shaft of the test tube clamp is fixed on the test tube clamp seat superior;

The handle section of the two clamping arms of the test tube clamp is provided with a chute extending along the handle, the chute is provided with a transmission member slidingly matched with it, and the power output part of the horizontal linear motion driving device is connected with a transmission block , the transmission member is connected with the transmission block.

Further, the up and down driving device includes a stepper motor and a guide rod parallel to the rotor of the stepper motor, the slider seat is threadedly engaged with the rotor of the stepper motor, and the guide rod is passed through the slider seat and slides with it Cooperate;

Further, the rotary drive device is a stepper motor;

Further, the horizontal linear motion driving device is a stepper motor with a screw threaded engagement between the rotor and the transmission block;

Further, the transmission member is a screw threaded with the transmission block.

Beneficial effects of the present invention: the blood sample automatic reciprocating mixing device of the present invention, its up and down driving device is used to move the test tube clamp to the position of the test tube containing the blood sample and the mixed blood position, and its horizontal linear motion driving device is used to drive the test tube clamp Open and close to clamp or loosen the test tube, and its rotating drive device is used to automatically reciprocate the test tube to achieve blood mixing; through this device, the test tube and blood mixing can be automatically realized, and the mixing work efficiency is high; at the same time, the rotating drive device rotates the test tube to mix blood Similar to the artificial blood mixing action, the blood mixing process will not damage the cell structure, which can ensure the quality of the blood mixing.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the automatic reciprocating mixing device for blood samples of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in the figure, the blood sample automatic reciprocating mixing device in this embodiment includes a test tube holder 1, a slider seat 2, an up and down driving device 3 connected to the slider seat 2 for driving the slider seat 2 to move up and down, fixed on On the slider seat 2 and the rotary drive device 4 with the rotating shaft horizontally arranged, the test tube clamp seat 5 fixed on the rotary drive device 4 rotary shaft and the horizontal linear motion drive device 6 fixed on the test tube stand seat 5, the test tube clamp 1 includes Two hinged clamp arms, the hinge shaft of the test tube clamp 1 is fixed on the test tube clamp seat 5;

The handle section of the two clamping arms of the test tube clamp 1 is provided with a chute 11 extending along the handle, the chute 11 is provided with a transmission member 7 slidingly matched with it, and the power output part of the horizontal linear motion driving device 6 A transmission block 8 is connected to it, and the transmission member 7 is connected with the transmission block 8 .

When the blood sample automatic reciprocating mixing device in this embodiment is working, its up and down driving device 3 is used to move the test tube holder 1 to the test tube position containing the blood sample and the mixed blood position, and its horizontal linear motion driving device 6 is used to drive the test tube holder One is used to clamp or loosen the test tube, and its rotary drive device 4 is used to reciprocate the test tube to realize blood mixing. Through the device, the test tube and blood mixing can be automatically realized, and the blood mixing work efficiency is high; at the same time, the action of rotating the test tube mixing blood by the rotating drive device 6 is similar to that of artificial blood mixing, and the blood mixing process will not damage the cell structure, which can ensure the quality of the mixed blood.

As an improvement to this embodiment, the up and down driving device 3 includes a stepper motor 31 and a guide rod 32 parallel to the rotor of the stepper motor 31, the slider seat 2 is screwed with the rotor of the stepper motor 31, and the The guide rod 32 is worn on the slider seat 2 and is slidably matched with it, and the guide rod 32 is used to limit the slider seat 2 to only move up and down. By controlling the rotation process of the stepping motor 31, the test tube holder 1 can be accurately moved to the position of the test tube containing the blood sample and the mixed blood position. Of course, in different embodiments, the up and down driving device 3 can also be an oil cylinder, and the slider base 2 is fixed on the piston rod of the oil cylinder, so that the up and down movement of the slider base 2 can also be realized.

As an improvement to this embodiment, the rotary driving device 4 is a stepping motor, and the reciprocating swing amplitude and speed of the test tube can be precisely controlled by the stepping motor, thereby ensuring the quality of the mixed blood. Of course, in different implementations, the rotary driving device 4 can also be a hydraulic motor or other devices.

As an improvement to this embodiment, the horizontal linear motion driving device 6 is a stepper motor with a threaded engagement between the rotor and the transmission block 8. By controlling the rotation of the stepper motor, the distance that the transmission block 8 moves along the motor rotor can be precisely controlled. This enables accurate clamping and loosening of the test tube. Of course, in different embodiments, the horizontal linear motion drive device 6 can also be an oil cylinder, and the transmission block 8 is fixedly connected with the piston rod of the oil cylinder, which can also achieve the purpose of the present invention.

As an improvement to this embodiment, the transmission member 7 is a screw that is threadedly connected with the transmission block 8, and is connected by screws, which is convenient for assembly and disassembly.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (4)

1. An automatic reciprocating mixing device for blood samples, characterized in that: it includes a test tube clamp, a slider seat, an up and down drive device connected to the slider seat for driving the slider seat to move up and down, fixed on the slider seat and The rotating drive device with the rotating shaft horizontally arranged, the test tube holder fixed on the rotating shaft of the rotating drive device and the horizontal linear motion driving device fixed on the test tube holder, the test tube holder includes two hinged clamp arms, and the hinge of the test tube holder The shaft is fixed on the test tube holder; The handle section of the two clamping arms of the test tube clamp is provided with a chute extending along the handle, the chute is provided with a transmission member slidingly matched with it, and the power output part of the horizontal linear motion driving device is connected with a transmission block , the transmission member is connected to the transmission block; The driving device for horizontal linear motion is a stepper motor in which the rotor and the transmission block are screwed together. 2. The blood sample automatic reciprocating mixing device according to claim 1, characterized in that: the up and down driving device includes a stepping motor and a guide rod parallel to the rotor of the stepping motor, and the slider seat is in contact with the stepping motor. The rotor of the motor is threaded, and the guide rod is passed on the slider seat and slidably matched with it. 3 . The automatic reciprocating mixing device for blood samples according to claim 1 , wherein the rotating drive device is a stepping motor. 4 . 4. The automatic reciprocating mixing device for blood samples according to claim 1, characterized in that: the transmission member is a screw threaded with the transmission block.