CN220136987U

CN220136987U - Nitrocellulose membrane marking detection device

Info

Publication number: CN220136987U
Application number: CN202321620921.9U
Authority: CN
Inventors: 邹武; 高峥嵘; 张婷; 卜小康; 尤其飞
Original assignee: Relia Biotechnologyjiangsu Co ltd
Current assignee: Relia Biotechnologyjiangsu Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-05
Anticipated expiration: 2033-06-26

Abstract

The utility model provides a nitrocellulose membrane scribing detection device which comprises a main body frame, a feeding part, a detection part, a screening storage part and a control part, wherein the screening storage part is arranged on the main body frame; the main body frame comprises a base and a screening seat; the feeding part comprises a conveying mechanism and a bearing frame mechanism; the feeding part comprises a screw rod motor, a movable carrier plate I and an electromagnet I; the detection part comprises an adjusting mechanism and a detection mechanism; the screening storage portion includes a screening mechanism and a storage mechanism. The strip NC film can be detected off-line; because of time limitation, the result after the solution is diffused can be monitored, and the screening with higher quality is realized; NC films can be batched according to line width, so that the qualification rate of the in-vitro detection kit is obviously improved; the photographing angle is adjustable, the NC film position is automatically adjusted by the device, photographing quality is guaranteed, and screening quality is improved.

Description

Nitrocellulose membrane marking detection device

Technical Field

The utility model relates to the field of in-vitro detection, in particular to a nitrocellulose membrane scribing detection device.

Background

The in vitro detection kit generally comprises a box body, a test paper substrate, a sample pad, a CP pad, an NC film, an absorption pad and the like, wherein the NC film is totally called a nitrocellulose film, is used as a carrier of a C/T line in colloidal gold test paper, and is also an occurrence place of immune reaction, so the NC film becomes the most important consumable in the test.

When the in-vitro detection kit is produced and processed, screening is needed to be carried out on the NC film scribing (T line and C line) results serving as the supporting bodies in the production process so as to ensure the quality of finished products of the in-vitro detection kit, and screening is carried out on unqualified NC films with uneven breakpoints and spraying.

In many of the conventional scribing detection devices, NC films with continuous scribing are detected on line (synchronously), and solutions configured after scribing are photographed without being completely diffused on the NC films, so that the following defects exist in the screening process:

first, only the rolled NC film can be inspected on line, and the individual NC film cannot be inspected.

Secondly, due to insufficient time difference, the real width of solution diffusion after scribing cannot be monitored, the yield is insufficient, and the screening result has errors.

Thirdly, the batch according to the line width cannot be carried out, and the qualification rate of the in-vitro detection kit is affected.

Fourth, the angle of shooing is fixed, if guarantee the quality of shooing, then need consume a large amount of manpowers to adjust NC membrane position, seriously influence screening efficiency.

Disclosure of Invention

The utility model provides a nitrocellulose membrane scribing detection device, which solves the problems that the existing online detection device cannot detect offline (off-line), cannot screen line width, cannot adjust photographing angle and the like.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a nitrocellulose membrane scribing detection device comprises a main body frame, a feeding part, a detection part, a screening storage part and a control part.

The main body frame comprises a base and a screening seat. The base comprises a cuboid hollow container I, and a strip-shaped through hole I is formed in an upper bottom plate of the base; two U-shaped opening through grooves I are symmetrically arranged on the strip-shaped through hole I. The screening seat is arranged on the base and comprises a rectangular container I, a rectangular through hole I, a strip-shaped limiting plate and a U-shaped limiting groove plate, wherein the rectangular container I is positioned above the U-shaped opening through groove I; the strip-shaped limiting plates are positioned at two sides of the first rectangular through hole, and the side plates of the U-shaped limiting groove plates are positioned at the right ends of the strip-shaped limiting plates; a rectangular through hole II is formed in the left side plate of the screening seat, and a U-shaped opening through groove II is formed in the right side plate.

The feeding part comprises a conveying mechanism and a bearing frame mechanism. The conveying mechanism comprises a roll shaft I, a servo motor I, a push rod motor I and an L-shaped limit brake. The first roll shaft is arranged on the screening seat and is positioned in the first rectangular through hole; the first servo motor is arranged in the screening seat and is in transmission connection with the first roll shaft; the first push rod motor is arranged in the screening seat and positioned on the right side of the rectangular through hole; the L-shaped limit gate is arranged on the movable end of the push rod motor I and is positioned below the rectangular through hole. The bearing frame mechanism comprises a square frame, a first magnetic block, a second magnetic block, an NC film tray and a second rectangular container; the lower bottom plate of the square frame is provided with a first mounting groove; the first magnetic block is arranged in the first mounting groove; the rectangular container is arranged on the side plate of the square frame at equal intervals, a U-shaped opening through groove III is arranged on the rectangular container, and two positioning blocks are symmetrically arranged on the lower bottom plate of the rectangular container; a second mounting groove is formed in the side face of the NC film tray; an erasable film is arranged in the NC film tray; the second magnetic block is arranged in the second mounting groove.

The feeding part comprises a screw motor, a movable carrier plate I and an electromagnet I. The screw rod motor is arranged in the base, and the upper end of the screw rod motor is positioned in the screening seat; the sliding column is arranged in the base; the movable carrier plate I is connected to the sliding column in a sliding way, is detachably connected with a rotor of the screw rod motor, and is provided with a U-shaped frame and a mounting groove III; the first electromagnet is arranged in the third mounting groove.

The detection portion includes an adjustment mechanism and a detection mechanism. The adjusting mechanism comprises a bearing bottom plate, a stepping motor, a synchronous toothed belt, a sliding rail, a movable carrier plate II, a limiter and an electromagnet II; the bearing bottom plate is arranged in the screening seat through the mounting frame, and a gear II is arranged on the bearing bottom plate; the stepping motor, the limiter and the sliding rail are arranged on the bearing bottom plate; a gear I is arranged on a rotating shaft of the stepping motor; the synchronous toothed belt is meshed with the first gear and the second gear; the lower bottom surface of the movable carrier plate II is connected to the sliding rail in a sliding way and is fixedly connected with the synchronous toothed belt, and the upper bottom surface is provided with a mounting groove IV; the limiters are positioned on two sides of the movable carrier plate II; the electromagnet II is arranged in the mounting groove IV. The detection mechanism comprises an industrial camera module, a lens, a light emitting diode and a code spraying machine; the industrial camera module is arranged on the bearing bottom plate through the supporting side plate; the lens is arranged on the industrial camera; the light-emitting diode is arranged on the supporting side plate through a U-shaped mounting frame; arc-shaped adjusting holes are formed in the U-shaped mounting frame; the ink jet numbering machine is arranged in the screening seat through the mounting frame and is positioned above the bearing bottom plate.

The screening storage portion includes a screening mechanism and a storage mechanism. The screening mechanism comprises an electric telescopic rod, an electromagnet III and a separation slideway; the electric telescopic rod is arranged in the screening seat; the electromagnet III is arranged on the movable end of the electric telescopic rod through an L-shaped mounting frame; the separation slide is located the below of electric telescopic handle, and its one end sets up in the screening seat, and the other end sets up on rectangle through-hole two. The storage mechanism comprises a push rod motor II, a roll shaft III and a servo motor II; the second push rod motor is arranged on the base and is positioned below the separation slideway; the second roll shaft and the third roll shaft are arranged in the first strip-shaped through hole; the second servo motor is in transmission connection with the second roll shaft.

The control part comprises a control mechanism, a feedback mechanism and a PLC controller. The control mechanism comprises a start switch, a reset switch and a pause switch. The feedback mechanism comprises a first distance sensor module, a second distance sensor module, a third distance sensor module and a fourth distance sensor module.

Preferably, the combination of the stepping motor and the synchronous toothed belt is replaced by a screw motor II.

Preferably, the separation slide is replaced by a second conveyor means.

Preferably, the second servo motor and the second roll shaft are replaced by a motor roll shaft.

Compared with the prior art, the beneficial effects are that:

in the utility model, through the integral arrangement of the main body frame, the feeding part, the detecting part, the screening storage part and the control part, the following functions are realized:

firstly, the strip NC film can be detected off-line.

Secondly, because of unlimited time, the result of the solution diffusion of the scribing can be monitored, and the screening with higher quality can be realized. NC films can be batched according to line width, and the qualification rate of the in-vitro detection kit is obviously improved.

Thirdly, the photographing angle is adjustable, the NC film position is automatically adjusted by the device, photographing quality is guaranteed, and screening quality is improved.

Drawings

FIG. 1 is a schematic view of a front partial cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic top view partially in section;

FIG. 4 is a schematic top view of a partially enlarged cross-sectional structure of the present utility model;

FIG. 5 is a circuit wiring diagram of the present utility model;

FIG. 6 is a schematic diagram of the system structure of the present utility model.

In the figure: 101. the device comprises a base, a first U-shaped opening through groove, a screening seat, a strip-shaped limiting plate, a U-shaped limiting groove plate, a rectangular through hole, a second U-shaped through hole, a U-shaped opening through groove, a second U-shaped limiting groove, a roller shaft, a first servo motor, a first L-shaped limiting gate, a second L-shaped limiting gate, a 204 push rod motor, a square frame, a second square container, a second rectangular container, a NC film tray, a first screw motor, a second movable carrier plate, a first sliding column, a 401 bearing bottom plate, a second step motor, a 403, a limiter, a 404, a sliding rail, a second synchronous toothed belt, a 406, a second movable carrier plate, a 407 industrial camera module, a 408 lens, a light emitting diode, a 410, a code spraying machine, a 501 electric telescopic rod, a 502 separation slide rail, a second push rod motor, a second slide rail, a second servo motor, a second roller shaft, a 505, a third roller shaft, and a third step motor.

Detailed Description

Embodiment 1 referring to fig. 1 to 6, a nitrocellulose membrane scribing detection device comprises a main body frame, a feeding part, a detection part, a screening storage part and a control part.

The main body frame includes a base 101 and a screening seat 103.

The base 101 includes a rectangular hollow container one.

The first cuboid hollow container upper bottom plate is provided with a first strip-shaped through hole.

Two U-shaped opening through grooves 102 are symmetrically arranged on the first strip-shaped through hole.

The screening seat 103 is disposed on the base 101.

The screening seat 103 comprises a rectangular container I and is positioned above a U-shaped opening through groove I102.

A rectangular through hole I, a strip-shaped limiting plate 104 and a U-shaped limiting groove plate 105 are arranged on the upper bottom plate of the screening seat 103.

The bar-shaped limiting plates 104 are located on two sides of the first rectangular through hole, and the side plates of the U-shaped limiting groove plates 105 are located at the right ends of the bar-shaped limiting plates 104.

A second rectangular through hole 106 is formed in the left side plate of the screening seat 103.

The right side plate of the screening seat 103 is provided with a U-shaped opening through groove II 107.

The feeding part comprises a conveying mechanism and a bearing frame mechanism.

The transport mechanism includes a roller shaft one 201, a servo motor one 202, a push rod motor one 204 and an L-shaped limit brake 203.

The first roller shaft 201 is disposed on the screening seat 103 and is located in the first rectangular through hole.

The first servo motor 202 is disposed in the screening seat 103 and is in transmission connection with the first roller 201.

The first push rod motor 204 is disposed in the screening seat 103 and located on the right side of the rectangular through hole.

The L-shaped limit gate 203 is arranged on the movable end of the push rod motor I204 and is positioned below the rectangular through hole.

The carrier mechanism comprises a square frame 205, a first magnetic block, a second magnetic block, an NC film tray 207 and a second rectangular container 206.

The lower bottom plate of the square frame 205 is provided with a first mounting groove.

The first magnetic block is arranged in the first mounting groove.

The second rectangular containers 206 are equidistantly disposed on the side plates of the square frame 205.

The second rectangular container 206 is provided with a third U-shaped opening through groove for taking out and clamping the NC film tray 207.

Two positioning blocks are symmetrically arranged on the lower bottom plate of the second rectangular container 206 and are used for placing the NC film tray 207.

And a second mounting groove is formed on the side surface of the NC film tray 207.

An erasable film is provided in the NC film tray 207.

The second magnetic block is arranged in the second mounting groove.

The feeding part comprises a screw motor 301, a movable carrier plate one 302 and an electromagnet one.

The screw motor 301 is disposed in the base 101, and the upper end thereof is located in the screening seat 103.

A spool 303 is disposed within the base 101.

The first movable carrier 302 is slidably coupled to the spool 303.

The first movable carrier plate 302 is detachably connected with the mover of the screw motor 301.

The movable carrier plate one 302 is provided with a U-shaped frame and a mounting groove three.

The first electromagnet is arranged in the third mounting groove.

The detection portion includes an adjustment mechanism and a detection mechanism.

The adjusting mechanism comprises a bearing bottom plate 401, a stepping motor 402, a synchronous toothed belt, a sliding rail 404, a movable carrier plate II 406, a limiter and an electromagnet II.

The bearing bottom plate 401 is arranged in the screening seat 103 through a mounting frame.

The stepper motor 402, the limiter 403 and the sliding rail 404 are disposed on the carrier plate 401.

A first gear is disposed on the rotating shaft of the stepper motor 402.

The carrier plate 401 is provided with a second gear.

The synchronous toothed belt 405 is meshed with the first gear and the second gear.

The lower bottom surface of the second movable carrier plate 406 is slidably connected to the slide rail 404; the lower bottom surface of the second movable carrier plate 406 is fixedly connected with the synchronous toothed belt 405.

The limiters 403 are located at two sides of the second movable carrier 406, and are used for limiting the movement range of the movable carrier.

And a mounting groove IV is formed in the upper bottom surface of the second movable carrier plate 406.

The electromagnet II is arranged in the mounting groove IV.

The detection mechanism includes an industrial camera module 407, a lens 408, a light emitting diode 409, and an ink jet 410.

The industrial camera module 407 is disposed on the carrier base 401 by a support side plate.

The lens 408 is disposed on an industrial camera.

The light emitting diode 409 is arranged on the support side plate through a U-shaped mounting frame.

The U-shaped mounting frame is provided with an arc-shaped adjusting hole for adjusting the orientation of the light emitting diode 409.

The code spraying machine 410 is arranged in the screening seat 103 through a mounting frame and is positioned above the bearing bottom plate 401.

The screening storage portion includes a screening mechanism and a storage mechanism.

The screening mechanism comprises an electric telescopic rod 501, an electromagnet III and a separation slide 502.

The electric telescopic rod 501 is arranged in the screening seat 103.

The electromagnet III is arranged on the movable end of the electric telescopic rod 501 through an L-shaped mounting frame.

The separation slideway 502 is positioned below the electric telescopic rod 501; one end of the separation slide 502 is arranged in the screening seat 103, and the other end is arranged on the rectangular through hole II 106.

The storage mechanism comprises a push rod motor II 503, a roll shaft II 504, a roll shaft III 506 and a servo motor II 505.

The second push rod motor 503 is disposed on the base 101 and located below the separation slide 502.

The second roller 504 and the third roller 506 are disposed in the first bar-shaped through hole.

The second servo motor 505 is in transmission connection with the second roll shaft 504.

The control part comprises a control mechanism, a feedback mechanism and a PLC controller.

The control mechanism comprises a start switch, a reset switch and a pause switch.

The start switch, the reset switch and the pause switch are arranged on the side plate of the screening seat 103.

The feedback mechanism comprises a first distance sensor module, a second distance sensor module, a third distance sensor module and a fourth distance sensor module.

The first distance sensor module is arranged on the strip-shaped limiting plate 104 and located on one side of the first roller shaft 201 and used for monitoring the bearing frame mechanism.

The second distance sensor module is disposed on the L-shaped limit gate 203.

The third distance sensor module is arranged on the electric telescopic rod 501.

The distance sensor module IV is arranged on the push rod motor II 503.

The PLC controller is disposed within the base 101.

The working principle and the using method are as follows:

first, presetting:

the starting switch is pressed to debug the power supply of the device.

Placing the NC film into an NC film tray 207; the NC film tray 207 is then placed in the rectangular container two 206 (between the positioning blocks), i.e., in the carrier mechanism.

The recovery tank is placed under the separation slide 502.

Second, screening:

placing the loaded carrier mechanism onto roller one 201; the distance sensor module I on the strip-shaped limiting plate 104 outputs the collected signals to the PLC; the PLC controller outputs a signal to the first servo motor 202.

The first servo motor 202 drives the first roller shaft 201 to rotate, so that the loaded carrier mechanism moves to the right to the end where the U-shaped limiting groove plate 105 is located, namely, the L-shaped limiting brake 203. The distance sensor module II on the L-shaped limit gate 203 outputs the acquired signal to the PLC; the PLC controller outputs signals to the push rod motor one 204, the lead screw motor 301, and the electromagnet one.

The first push rod motor 204 opens the "L" shaped limit gate 203. The electromagnet on the movable carrier plate is started to adsorb the carrier mechanism. The screw motor 301 drives the movable carrier plate one 302 to move downwards. When the electric telescopic rod 501 moves downwards to one side, the distance sensor module III on the electric telescopic rod 501 outputs the acquired signal to the PLC controller; the PLC controller outputs signals to the electric telescopic rod 501, the electromagnet two, the electromagnet three, the industrial camera module 407, the light emitting diode 409, and the code spraying machine 410.

The electric telescopic rod 501 drives the L-shaped mounting frame to move into the U-shaped opening through groove III corresponding to the rectangular container II 206, the electromagnet III is started in a delayed mode, and the NC film tray 207 is fixed. The screw motor 301 drives the movable carrier plate one 302 to move downwards for a certain distance, so that the electric telescopic rod 501 drives the NC film tray 207 to move rightwards.

The electric telescopic rod 501 drives the NC film tray 207 to move to the movable carrier plate II 406, the electromagnet III is closed, and the electromagnet II is started in a delayed mode.

The light emitting diode 409 is started, the industrial camera module 407 starts photographing, and the stepper motor 402 drives the movable carrier plate two 406 to sequentially reciprocate in the process to obtain a better photographing result, and the photographing result is fed back to the PLC controller, and the PLC controller screens the photographing result to screen unqualified NC films with uneven breakpoints and spraying.

The NC film classified as failed is then directly placed into the separation slide 502 by the electric telescoping rod 501 (via electromagnet three thereon) and finally into the recovery tank.

And the qualified NC film is classified, the electric telescopic rod 501 moves rightwards, the electromagnet III is started, the electromagnet II is closed, and the fixation of the NC film tray 207 is completed. Then, the motor telescopic rod 501 drives the NC film tray 207 to move below the inkjet printer 410.

The inkjet printer 410 marks the relevant parameter types (width, etc., for easy sorting) on the erasable film. Then, the motor telescopic rod 501 drives the NC film tray 207 to be reset into the rectangular container two 206.

Repeating the above procedures to finish the screening.

Third, storing:

after all the components are completed, the screw motor 301 drives the carrier mechanism to the plane where the second roll shaft 504 is located, and the distance sensor module IV on the second push rod motor 503 outputs the acquired signals to the PLC controller, and the PLC controller outputs signals to the second push rod motor 503 and the second servo motor 505.

The electromagnet I is turned off, the push rod motor II 503 pushes the bearing frame mechanism to the roller II 504, the servo motor II 505 is started, and the bearing frame mechanism is transported to the roller III 506, so that the whole process is completed.

In example 2, the combination of the stepping motor 402 and the timing belt was replaced with a second lead screw motor on the basis of example 1.

Example 3 the separation slide 502 was replaced with a second conveyor belt arrangement on the basis of example 1.

In example 4, the second servo motor 505 and the second roller 504 were replaced with a motor roller based on example 1.

Claims

1. A nitrocellulose membrane marking detection device is characterized in that: comprises a main body frame, a feeding part, a detecting part, a screening storage part and a control part; the main body frame comprises a base and a screening seat; the feeding part comprises a conveying mechanism and a bearing frame mechanism; the detection part comprises an adjusting mechanism and a detection mechanism; the adjusting mechanism comprises a bearing bottom plate, a stepping motor, a synchronous toothed belt, a sliding rail, a movable carrier plate II, a limiter and an electromagnet II; the bearing bottom plate is arranged in the screening seat through the mounting frame, and a gear II is arranged on the bearing bottom plate; the stepping motor, the limiter and the sliding rail are arranged on the bearing bottom plate; a gear I is arranged on a rotating shaft of the stepping motor; the synchronous toothed belt is meshed with the first gear and the second gear; the lower bottom surface of the movable carrier plate II is connected to the sliding rail in a sliding way and is connected with the synchronous toothed belt, and the upper bottom surface of the movable carrier plate II is provided with a mounting groove IV; the limiters are positioned on two sides of the movable carrier plate II; the electromagnet II is arranged in the mounting groove IV; the detection mechanism comprises an industrial camera module, a lens, a light emitting diode and a code spraying machine; the screening storage portion includes a screening mechanism and a storage mechanism.

2. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the industrial camera module is arranged on the bearing bottom plate through the supporting side plate; the lens is arranged on the industrial camera; the light-emitting diode is arranged on the supporting side plate through a U-shaped mounting frame; arc-shaped adjusting holes are formed in the U-shaped mounting frame; the ink jet numbering machine is arranged above the bearing bottom plate.

3. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the conveying mechanism comprises a roll shaft I, a servo motor I, a push rod motor I and an L-shaped limit brake; the first roll shaft is arranged on the screening seat and is positioned in the first rectangular through hole; the first servo motor is in transmission connection with the first roll shaft; the push rod motor I is positioned on the right side of the rectangular through hole I; the L-shaped limit gate is arranged on the movable end of the push rod motor I and is positioned below the rectangular through hole; the bearing frame mechanism comprises a square frame, a first magnetic block, a second magnetic block, an NC film tray and a second rectangular container; the lower bottom plate of the square frame is provided with a first mounting groove; the first magnetic block is arranged in the first mounting groove; the rectangular container II is arranged on a side plate of the square frame, and a U-shaped opening through groove III is arranged on the rectangular container II; a positioning block is arranged on the lower bottom plate; a second mounting groove is formed in the side face of the NC film tray; an erasable film is arranged in the NC film tray; the second magnetic block is arranged in the second mounting groove.

4. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the feeding part comprises a screw rod motor, a movable carrier plate I and an electromagnet I; the screw rod motor is arranged in the base, and the upper end of the screw rod motor is positioned in the screening seat; the sliding column is arranged in the base; the movable carrier plate I is connected to the sliding column in a sliding way and is detachably connected with a rotor of the screw rod motor, and a U-shaped frame and a mounting groove III are arranged on the movable carrier plate I; the first electromagnet is arranged in the third mounting groove.

5. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the screening mechanism comprises an electric telescopic rod, an electromagnet III and a separation slideway; the electric telescopic rod is arranged in the screening seat; the electromagnet III is arranged on the movable end of the electric telescopic rod through an L-shaped mounting frame; the separation slide is located the below of electric telescopic handle, and its one end sets up in the screening seat, and the other end sets up on rectangle through-hole two.

6. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the storage mechanism comprises a push rod motor II, a roll shaft III and a servo motor II; the second push rod motor is arranged on the base and is positioned below the separation slideway; the second roll shaft and the third roll shaft are arranged in the first strip-shaped through hole; the second servo motor is in transmission connection with the second roll shaft.

7. The nitrocellulose membrane streaking detection device according to claim 1, wherein: the base comprises a cuboid hollow container I, and a strip-shaped through hole I is formed in an upper bottom plate of the base; the strip-shaped through hole I is provided with a U-shaped opening through groove I; the screening seat is arranged on the base and comprises a rectangular container I, a rectangular through hole I, a strip-shaped limiting plate and a U-shaped limiting groove plate, wherein the rectangular container I is positioned above the U-shaped opening through groove I; the strip-shaped limiting plates are positioned on two sides of the first rectangular through hole; a rectangular through hole II is formed in the left side plate of the screening seat, and a U-shaped opening through groove II is formed in the right side plate.

8. The nitrocellulose membrane streaking detection device according to claim 1, wherein: and replacing the combination of the stepping motor and the synchronous toothed belt by a screw motor II.

9. The nitrocellulose membrane streaking detection device according to claim 5, wherein: the separation slide is replaced by a second conveyor belt device.

10. The nitrocellulose membrane streaking detection device according to claim 6, wherein: and replacing the second servo motor and the second roll shaft by the electric roll shaft.