CN114354320A - Medical science inspection microorganism smear dyeing apparatus - Google Patents

Abstract

The invention provides a medical test microorganism smear dyeing device, which comprises a leveling base, a support table, a support shaft, a first driving part, a smear loading assembly and a dyeing assembly. The middle part of the support table is provided with a support through groove; one end of the support shaft is fixedly connected with the leveling base, and the other end of the support shaft passes through the support through groove; the smear loading assembly includes a dyeing tank body and a loading tray; The support shaft is connected with the support table; the first driving part can drive the dyeing tank to rotate; the loading tray and the dyeing tank are combined to form a accommodating chamber; One end of the guide plate is hinged or fixedly connected with the support shaft; the guide plate is provided with an elongated guide groove; the sliding piece is slidably arranged on the guide groove; The device can adjust the amount of sample staining to suit the staining needs of different microbial samples.

Description

A medical test microorganism smear dyeing device

technical field

The invention relates to the field of smear dyeing equipment, in particular to a medical inspection microorganism smear dyeing device.

Background technique

In the process of testing the submitted microbial samples for medical inspection, because the microscopically observed microbial cells are colorless and transparent, and there is no obvious color contrast with the background of the slide, it is difficult to observe the knife microbial cells through an ordinary optical microscope. In order to facilitate the observation of microbial cells under a common microbial microscope, microbial samples need to be stained so that the morphology and structure of microbial cells can be clearly observed.

Due to the large number of samples submitted for inspection, in order to improve work efficiency, the same staining is often performed on the samples submitted for inspection. However, the existing dyeing equipment has a complex structure, and cannot adjust the amount of dyeing and the depth of dyeing, which is not suitable for the dyeing requirements of various microbial samples.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the purpose of the present invention is to provide a medical test microorganism smear dyeing device.

In order to achieve the above objects, the technical solutions of the present invention are as follows.

A medical test microorganism smear staining device, comprising:

leveling the base;

a support table, which is arranged on the upper side of the leveling base, and a support through groove is arranged in the middle of the support table;

a support shaft, one end of which is fixedly connected with the leveling base, and the other end of which passes through the support through groove;

a first driving component, disposed in the support through groove, for providing power;

The smear loading assembly includes a dyeing tank body and a loading tray; the dyeing tank body is rotatably arranged on the support shaft and is connected with the support table; the first driving component can drive the dyeing tank The body rotates; the loading tray is erected in the dyeing tank body, and combined with the dyeing tank body to form an accommodation chamber;

Staining components, including:

a guide plate, arranged on the upper side of the dyeing tank body, and one end of which is hinged or fixedly connected with the support shaft; the guide plate is provided with an elongated guide groove;

a sliding piece, which is slidably arranged on the guide groove;

a second driving component, disposed on one side of the guide groove; the second driving component can drive the sliding member to slide along the guide groove;

The dyeing nozzle is arranged on the sliding member, and one end of the dyeing nozzle passing through the sliding member faces the loading tray.

Further, the middle part of the dyeing tank body is provided with a sleeve, and the sleeve is rotatably sleeved on the support shaft.

Further, the loading disc is sleeved on the casing, the upper side of the loading disc is provided with a pressing member, the pressing member is sleeved on the casing, and is threaded with the casing connected; as the pressing member moves toward the loading tray, the pressing member can press the loading tray into the dyeing tank body.

Further, a liquid recovery cavity is arranged in the dyeing tank, a communication pipe is arranged at the top of the liquid recovery cavity, and one end of the communication pipe is communicated with the accommodation chamber.

Further, a locking hole is provided on the side wall of the dyeing tank, and the locking hole is vertically communicated with the communication pipe; a locking assembly is arranged in the locking hole, and the locking assembly is connected to the The locking holes are screwed together; as the locking assembly moves toward the communication pipe, the size of the opening of the communication pipe gradually decreases.

Furthermore, the bottom of the accommodating chamber is arc-shaped, and the communication pipe is disposed at the lowest end of the accommodating chamber, and the highest end of the accommodating chamber is close to the support shaft.

Further, the loading tray is provided with a plurality of liquid leakage holes, a placement area for placing the microbial smear is formed between two adjacent liquid leakage holes, and each of the placement areas is provided with a clamping assembly , the clamping assembly can clamp and fix the microbial smear.

Further, the first driving component includes a worm and a first motor, the worm is rotatably arranged in the support through groove, the first motor is arranged at one end of the worm, and the first motor can drive the worm rotates;

One end of the dyeing tank body is provided with an external gear, and the external gear is set in the support through groove; the worm is in tooth-shaped meshing with the external gear.

Further, the second driving component includes a screw rod and a second motor, the screw rod is rotatably arranged on the guide plate, and is parallel to one side of the guide groove; the second motor is arranged on the At one end of the screw rod, the second motor can drive the screw rod to rotate;

A nut member is fixedly arranged on one side of the sliding member, and the nut member is sleeved on the screw rod and is threadedly connected with the screw rod.

Further, it also includes a control system; the control system includes a power supply, a controller, a rotational speed sensor, a distance meter and a timer;

The rotational speed sensor is arranged on one side of the dyeing tank, and the rotational speed sensor can detect the rotational speed of the dyeing tank and send the detection data to the controller;

The range finder is arranged at one end of the guide plate, and the range finder can detect the distance that the sliding member deviates from the initial position, and send the detection data to the controller;

The timer is arranged at one end of the guide plate, and the timer can detect the time when the slider deviates from the initial position, and send the detection data to the controller;

the power supply can provide power to the controller, the first drive assembly, the second drive assembly, the rotational speed sensor, the range finder, and the timer;

The controller is electrically connected to the first drive assembly and the second drive assembly, respectively;

The controller can receive the rotational speed data sent by the rotational speed sensor and compare it with the set rotational speed data. When the rotational speed data received by the controller is greater than or smaller than the set rotational speed data, the controller can adjusting the first drive assembly until the received rotational speed data matches the set rotational speed data;

The controller can receive the distance data sent by the range finder and the time data sent by the timer, perform statistics on the data to obtain the moving speed, and then compare the moving speed with the set moving speed, When the moving rate obtained by the controller is greater or less than the set moving rate, the controller can adjust the second driving assembly until the received moving rate matches the set moving rate.

Beneficial effects of the present invention:

1. The device of the present invention provides support for the smear loading assembly through the support table and the support shaft, ensuring that the smear loading assembly can rotate stably on the support shaft. When in use, the smear loading assembly is driven to rotate by the first drive assembly, and the appropriate rotation speed is adjusted, and then the sliding member is driven to move through the second drive assembly, and the appropriate moving speed is adjusted. Start the dyeing nozzle to dye the microbial samples, so that the amount of dyeing and the depth of dyeing can be adjusted to suit the dyeing needs of different microbial samples.

2. In the present invention, an arc-shaped bottom surface is arranged in the dyeing tank body, so that the lowest end of the accommodating chamber formed between the dyeing tank body and the loading tray is communicated with the liquid recovery and recovery cavity through a communication pipe. With the rotation of the dyeing tank, the dyeing liquid can be conveniently collected and recovered.

Description of drawings

FIG. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a smear loading assembly and a dyeing assembly in an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a loading disc in an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a dyeing assembly in an embodiment of the present invention.

FIG. 5 is a schematic bottom view of FIG. 4 .

FIG. 6 is a schematic structural diagram of a clamping assembly in an embodiment of the present invention.

FIG. 7 is a wiring diagram of each control unit of the control system in the embodiment of the invention.

In the figure, 1. Leveling base; 2. Supporting table; 21. Supporting channel; 3. Supporting shaft; 4. First driving part; 41. Worm; 5. Smear loading assembly; 512, pressing piece; 513, liquid recovery cavity; 514, connecting pipe; 515, locking hole; 516, locking assembly; 517, external gear; 52, loading plate; 521, leakage hole; 522 , placing area; 53, accommodating chamber; 6, dyeing assembly; 61, guide plate; 611, guide groove; 62, sliding piece; 621, nut piece; 63, second driving part; 631, screw rod; 64, dyeing Nozzle; 7. Clamping components; 8. Control system; 81, Power supply; 82, Controller; 83, Speed sensor; 84, Distance meter; 85, Timer.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-7, a medical test microorganism smear staining device, including: leveling base 1, support table 2, support shaft 3, first driving part 4, smear loading assembly 5 and staining assembly 6.

The leveling base 1 can realize the level adjustment of the support table 2, so that the microbial smear can be dyed uniformly during the dyeing process. For example, the bottom of the leveling base 1 is evenly provided with a plurality of threaded holes, and the plurality of legs are installed in the corresponding threaded holes. By adjusting the length of the corresponding legs extending out of the threaded holes, the horizontal adjustment of the support table 2 is realized.

The support table 2 is arranged on the upper side of the leveling base 1 , the bottom of the support table 2 is connected with a plurality of support rods, and is connected with the leveling base 1 through the support rods. One end of the support rod is fixedly connected to the top of the leveling base 1 , and the other end of the support rod is detachably connected to the bottom side edge of the support table 2 through bolts. The middle of the support table 2 is provided with a support through groove 21, and the shape of the support through groove 21 is a convex shape. A support shaft 3 is inserted through the middle of the support through slot 21 , one end of the support shaft 3 is fixedly connected with the leveling base 1 , and the other end of the support shaft 3 passes through the support through slot 21 .

The smear loading assembly 5 includes a staining tank body 51 and a loading tray 52; the staining tank body 51 is rotatably arranged on the support shaft 3 and is connected with the support table 2; for example, the top of the support table 2 has a bracket, and the staining tank The body 51 is erected on the bracket and connected to the inner wall of the bracket. The brackets are mainly used to support the dyeing tank body 51 . The loading tray 52 is erected in the dyeing tank body 51 and combined with the dyeing tank body 51 to form a receiving chamber 53 . The bottom of the accommodating chamber 53 is arc-shaped, and the communication pipe 514 is disposed at the lowest end of the accommodating chamber 53 , and the highest end of the accommodating chamber 53 is close to the support shaft 3 . As shown in FIG. 2 , the volume in the accommodating chamber 53 increases gradually from the inside to the outside, and the lowest part is formed at the bottom of the outer wall of the dyeing tank to collect the dyeing waste liquid. With the rotation of the dyeing tank, the dyeing waste liquid will gradually accumulate in the lowest part of the holding chamber.

A liquid recovery cavity 513 is arranged in the dyeing tank body 51 , a communication pipe 514 is arranged at the top of the liquid recovery cavity 513 , and one end of the communication pipe 514 is communicated with the accommodating chamber 53 . As shown in Fig. 2, one end of the communication pipe is arranged at the lowest part of the accommodating chamber, so that the dyeing waste liquid in the accommodating chamber can enter the liquid recovery chamber through the communication pipe. Of course, the bottom of the liquid recovery chamber has a liquid discharge port, and the liquid discharge port has a valve, and the waste liquid can be discharged by opening the valve.

Please refer to FIG. 1 , the first driving member 4 is disposed in the supporting through groove 21 for providing power. The first driving member 4 can drive the dyeing tank body 51 to rotate; the first driving member 4 includes a worm 41 and a first motor, the worm 41 is rotatably arranged in the support through slot 21, and the first motor is arranged at one end of the worm 41, and It is fixedly connected with the inner wall of the support through groove; the first motor can drive the worm 41 to rotate. For example, one end of the worm is rotatably connected to the inner wall of the supporting through slot, and the other end is connected to the output shaft of the first motor, and the worm can be rotated by starting the first motor. One end of the dyeing tank body 51 located in the support through groove 21 is fixedly provided with an external gear 517 , and the external gear 517 is arranged in the support through groove 21 ; With the rotation of the worm, the worm can drive the dyeing tank to rotate.

Referring to FIGS. 2 and 4 to 5 , the dyeing assembly 6 includes a guide plate 61 , a sliding member 62 , a second driving part 63 and a dyeing nozzle 64 . The guide plate 61 is arranged on the upper side of the dyeing tank body 51 , and one end of the guide plate 61 is hinged or fixedly connected with the support shaft 3 ; The other end of the guide plate 61 is in contact with the top of the outer wall of the dyeing tank body 51 and does not affect the rotation of the dyeing tank body 51 . The guide plate 61 is provided with a long guide groove 611; the sliding member 62 is slidably arranged on the guiding groove 611; the guide groove, so that the sliding member can slide along the guide groove stably. A mounting hole is provided in the middle of the sliding member, one end of the dyeing nozzle 64 is arranged in the mounting hole of the sliding member 62, and one end of the dyeing nozzle 64 passing through the sliding member 62 faces the loading tray 52 for smearing the microorganisms on the loading tray. Spray dyeing. As shown in FIG. 5 , the second driving member 63 is disposed on one side of the guide groove 611 ; the second driving member 63 can drive the sliding member 62 to slide along the guide groove 611 . Specifically, the second driving part 63 includes a screw rod 631 and a second motor. The screw rod 631 is rotatably arranged on the guide plate 61 and is parallel to one side of the guide groove 611 ; the second motor is arranged on the side of the screw rod 631 . At one end, the second motor can drive the screw rod 631 to rotate; one side of the sliding member 62 is fixedly provided with a nut member 621 . When in use, start the second motor, the second motor drives the screw rod 631 to rotate, and drives the nut member 621 to slide left and right along the screw rod 631. Since the nut member 621 is fixed to one side of the sliding member 62, the sliding member 62 can follow the nut member 621 slides and slides, thereby realizing the reciprocating sliding of the dyeing nozzle 64 along the guide groove 611 .

In this embodiment, the device supports the smear loading assembly through the support table and the support shaft, so as to ensure that the smear loading assembly can rotate stably on the support shaft. When in use, the smear loading assembly is driven to rotate by the first drive assembly, and the appropriate rotation speed is adjusted, and then the sliding member is driven to move through the second drive assembly, and the appropriate moving speed is adjusted. Start the dyeing nozzle to dye the microbial samples, so that the amount of dyeing and the depth of dyeing can be adjusted to suit the dyeing needs of different microbial samples. An arc-shaped bottom surface is arranged in the dyeing tank body, so that the lowest end of the accommodating chamber formed between the dyeing tank body and the loading tray is communicated with the liquid recovery cavity through a communication pipe. With the rotation of the dyeing tank, the dyeing liquid can be conveniently collected and recovered.

As shown in FIG. 2 , in order to conveniently adjust the connection stability between the loading tray and the dyeing tank body, a sleeve 511 is provided in the middle of the dyeing tank body 51 , and the sleeve 511 is rotatably sleeved on the support shaft 3 . The loading disc 52 is sleeved on the sleeve 511, the upper side of the loading plate 52 is provided with a pressing member 512, the pressing member 512 is sleeved on the sleeve 511, and is threadedly connected with the sleeve 511; Moving toward the loading tray 52 , the pressing member 512 can press the loading tray 52 into the dyeing tank body 51 . When it is necessary to separate the loading tray from the dyeing tank to adjust the position of the smear on the loading tray, you can adjust the pressing member to move the pressing member upwards to realize independent rotation of the loading tray.

Please refer to FIG. 2 again, the side wall of the dyeing tank body 51 is provided with a locking hole 515, and the locking hole 515 is in vertical communication with the communication pipe 514; The locking hole 515 is threaded; as the locking assembly 516 moves toward the communication pipe 514, the size of the opening of the communication pipe 514 gradually decreases. Of course, the locking assembly 516 can block the communication pipe 514 . The setting of the locking assembly is mainly to adjust the size of the opening of the communication pipe, so that the waste liquid in the holding chamber can automatically enter the liquid recovery chamber without being forced out from the liquid recovery. Of course, the locking assembly can also block the communication pipe to seal the liquid recovery cavity.

Please refer to FIG. 3 , the loading tray 52 is circular, and the loading tray 52 is provided with a plurality of liquid leakage holes 521 , and the liquid leakage holes are fan-shaped. A placement area 522 for placing the microbial smear is formed between two adjacent liquid leakage holes 521 , and each placement area 522 is provided with a clamping assembly 7 , which can clamp and fix the microbial smear.

Referring to FIG. 6 , each clamping assembly 7 includes two clamping arms 71 , two L-shaped push plates 72 , a movable plate 73 , two sliding rods 74 and two toggle members 75 .

The two clamping arms 71 are respectively disposed on both sides of the corresponding placing area 522 , and one end of each clamping arm 71 is hinged with the corresponding placing area 522 . The two L-shaped push plates 72 are respectively disposed on both sides of the corresponding placement area 522 , one end of each L-shaped push plate 72 is hinged to the side wall of its corresponding clamping wall, and the other end of each L-shaped push plate 72 faces the bottom of the placement area 522 . .

The two sliding bars 74 are both disposed at the bottom of the corresponding placement area 522 and are vertically and fixedly connected to the corresponding placement area 522 . A blocking block 741 is provided at one end of each sliding rod 74 away from the corresponding placing area 522 . The setting of the blocking block 741 is mainly to prevent the movable plate 73 from sliding out of the sliding rod 74 .

The movable plate 73 is slidably arranged on the two sliding bars 74 . For example, two sliding holes are provided on the movable plate, and each sliding rod is passed through the corresponding sliding hole. Of course, two buffer springs 742 are passed through each sliding rod 74, and the two buffer springs are arranged on both sides of the movable plate. The setting of the buffer spring is to buffer the movable plate on the one hand, and help to push the movable plate to reset on the other hand, so as to keep the two clamping arms 71 clamped and fixed on the microbial smear.

The side wall of the movable plate 73 is provided with a strip-shaped groove 731 , and the strip-shaped groove 731 is located on the side wall of the movable plate 73 which is perpendicular to the placement area 522 . One end of the two toggle members 75 can be slidably disposed in the bar-shaped groove 731 , and the other ends of the two wave members 75 are fixedly connected to the other end of the corresponding L-shaped push plate 72 .

When in use, the two clamping arms 71 always keep the microbial smear clamped and fixed under the action of the return spring. When the microbial smear needs to be taken out, by turning over the two clamping arms 71, the microbial smear can be quickly taken out.

Referring to FIG. 7 , the device further includes a control system 8 ; the control system 8 includes a power supply 81 , a controller 82 , a rotational speed sensor 83 , a distance meter 84 and a timer 85 .

The rotational speed sensor 83 is arranged on one side of the dyeing tank body 51 , and the rotational speed sensor 83 can detect the rotational speed of the dyeing tank body 51 and send the detection data to the controller 82 . The rotational speed sensor can calculate the rotational speed V ₁ of the dyeing tank.

The range finder 84 is disposed at one end of the guide plate 61 , and the range finder 84 can detect the distance that the slider 62 deviates from the initial position, and send the detection data to the controller 82 .

The timer 85 is provided at one end of the guide plate 61 , and the timer 85 can detect the time when the slider 62 deviates from the initial position, and send the detection data to the controller 82 . Through the cooperation of the distance meter 84 and the timer 85 , the moving speed V ₂ of the slider 62 can be calculated.

The power supply 81 can supply power to the controller 82 , the first driving part 4 , the second driving part 63 , the rotational speed sensor 83 , the distance meter 84 , and the timer 85 . The controller 82 is electrically connected to the first driving part 4 and the second driving part 63 , respectively.

The controller 82 can receive the rotational speed V ₁ data sent by the rotational speed sensor 83 and compare it with the set rotational speed V ₁ data. When the rotational speed V ₁ data received by the controller 82 is greater or less than the set rotational speed data, the controller 82 can adjust the _first drive part 4 until the received rotational speed V1 data matches the set rotational speed data.

The controller 82 can receive the distance data sent by the range finder 84 and the time data sent by the timer 85, and obtain the moving speed V ₂ by statistics on the data, and then compare the moving speed V ₂ with the set moving speed. When the moving speed V ₂ obtained by the controller 82 is greater or less than the set moving speed, the controller 82 can adjust the second driving member 63 until the received moving speed V ₂ matches the set moving speed.

In this embodiment, by adjusting to a suitable rotational speed V ₁ and a suitable moving speed V ₂ , and then starting the dyeing nozzle to dye the microbial sample, the dyeing amount and dyeing depth of the sample can be adjusted to suit different microbial samples dyeing needs.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (10)

1. A medical examination microorganism smear dyeing apparatus, comprising:

a leveling base (1);

the support table (2) is arranged on the upper side of the leveling base (1), and a support through groove (21) is formed in the middle of the support table (2);

one end of the support shaft (3) is fixedly connected with the leveling base (1), and the other end of the support shaft penetrates through the support through groove (21);

the first driving part (4) is arranged in the supporting through groove (21) and used for providing power;

a smear loading assembly (5) which comprises a staining trough body (51) and a loading tray (52); the dyeing tank body (51) is rotatably arranged on the supporting shaft (3) and is connected with the supporting platform (2); the first driving part (4) can drive the dyeing tank body (51) to rotate; the loading tray (52) is erected in the dyeing tank body (51) and combined with the dyeing tank body (51) to form an accommodating chamber (53);

dyeing assembly (6) comprising:

the guide plate (61) is arranged on the upper side of the dyeing tank body (51), and one end of the guide plate is hinged or fixedly connected with the supporting shaft (3); the guide plate (61) is provided with a long-strip-shaped guide groove (611);

a slider (62) slidably provided on the guide groove (611);

a second driving member (63) provided on one side of the guide groove (611); the second driving part (63) can drive the sliding piece (62) to slide along the guide groove (611);

and the dyeing spray head (64) is arranged on the sliding part (62), and one end, penetrating out of the sliding part (62), of the dyeing spray head (64) faces the loading disc (52).

2. The smear dyeing apparatus for microorganism in medical examination as claimed in claim 1, wherein the middle of the dyeing tank body (51) is provided with a sleeve (511), and the sleeve (511) is rotatably sleeved on the supporting shaft (3).

3. The smear dyeing apparatus for microorganism in medical examination as claimed in claim 2, wherein the loading tray (52) is fitted over the sleeve (511), a pressing member (512) is provided on the upper side of the loading tray (52), the pressing member (512) is fitted over the sleeve (511) and is screw-connected with the sleeve (511); the pressing member (512) can press the loading tray (52) within the dye vat body (51) as the pressing member (512) moves toward the loading tray (52).

4. The smear dyeing apparatus for microorganism used in medical examination according to claim 1, wherein a liquid recovery chamber (513) is provided in the dyeing tank body (51), a communicating pipe (514) is provided on the top of the liquid recovery chamber (513), and one end of the communicating pipe (514) communicates with the accommodating chamber (53).

5. The smear dyeing apparatus for microorganism in medical examination according to claim 4, wherein the side wall of the dyeing tank body (51) is provided with a locking hole (515), the locking hole (515) is vertically communicated with the communicating pipe (514); a locking component (516) is arranged in the locking hole (515), and the locking component (516) is in threaded connection with the locking hole (515); as the lock assembly (516) moves toward the communication pipe (514), the opening size of the communication pipe (514) gradually decreases.

6. The smear dyeing apparatus for microorganism in medical examination according to claim 4, wherein the bottom of the receiving chamber (53) is arc-shaped, and the communicating tube (514) is provided at the lowest end of the receiving chamber (53), the highest end of the receiving chamber (53) being close to the supporting shaft (3).

7. The microbial smear dyeing apparatus for medical examination according to claim 1, wherein a plurality of liquid leakage holes (521) are arranged on the loading tray (52), a placing area (522) for placing a microbial smear is formed between two adjacent liquid leakage holes (521), each placing area (522) is provided with a clamping component (7), and the clamping components (7) can clamp and fix the microbial smear.

8. The microbial smear staining apparatus for medical examination as claimed in claim 1, wherein the first driving means (4) comprises a worm (41) and a first motor, the worm (41) is rotatably disposed in the supporting through slot (21), the first motor is disposed at one end of the worm (41), and the first motor can drive the worm (41) to rotate;

one end of the dyeing tank body (51) is provided with an external gear (517), and the external gear (517) is arranged in the supporting through groove (21); the worm (41) is in tooth-shaped meshing with the external gear (517).

9. The smear dyeing apparatus for microorganism in medical examination as set forth in claim 1, wherein the second driving part (63) comprises a lead screw (631) and a second motor, the lead screw (631) being rotatably provided on the guide plate (61) and being provided in parallel to one side of the guide groove (611); the second motor is arranged at one end of the screw rod (631), and the second motor can drive the screw rod (631) to rotate;

one side of the sliding part (62) is fixedly provided with a nut piece (621), the nut piece (621) is sleeved on the screw rod (631) and is in threaded connection with the screw rod (631).

10. A medical examination microbial smear staining apparatus as claimed in claim 1 further comprising a control system (8); the control system (8) comprises a power supply (81), a controller (82), a rotating speed sensor (83), a distance meter (84) and a timer (85);

the rotating speed sensor (83) is arranged on one side of the dyeing tank body (51), and the rotating speed sensor (83) can detect the rotating speed of the dyeing tank body (51) and send detection data to the controller (82);

the distance measuring instrument (84) is arranged at one end of the guide plate (61), and the distance measuring instrument (84) can detect the distance of the sliding piece (62) deviating from the initial position and send the detection data to the controller (82);

the timer (85) is arranged at one end of the guide plate (61), and the timer (85) can detect the time when the sliding piece (62) deviates from the initial position and send the detection data to the controller (82);

the power supply (81) is capable of supplying power to the controller (82), the first drive member (4), the second drive member (63), the rotation speed sensor (83), the distance meter (84), and the timer (85);

the controller (82) is electrically connected with the first driving part (4) and the second driving part (63) respectively;

the controller (82) can receive the rotating speed data sent by the rotating speed sensor (83), the rotating speed data are compared with set rotating speed data, and when the rotating speed data received by the controller (82) are larger than or smaller than the set rotating speed data, the controller (82) can adjust the first driving part (4) until the received rotating speed data are matched with the set rotating speed data;

the controller (82) can receive the distance data sent by the distance meter (84) and the time data sent by the timer (85), count the data to obtain a moving speed, then compare the moving speed with a set moving speed, and when the moving speed obtained by the controller (82) is greater than or less than the set moving speed, the controller (82) can adjust the second driving part (63) until the received moving speed is matched with the set moving speed.

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