CN214150100U - Solid-liquid mixing sampling detection device - Google Patents

Abstract

The utility model relates to a sample detection field specifically relates to a solid-liquid mixing sampling test device. The device comprises a device main body, a partition plate positioned in the device main body, a crushing and mixing bin positioned in the device main body and above the partition plate, and a sampling bin positioned in the device main body and below the partition plate; the crushing and stirring assembly inside the crushing and mixing bin is used for crushing the solid sample and mixing the solid sample with the solution; the division plate is provided with a flow guide mechanism for guiding the liquid in the crushing and mixing bin into the sampling bin; the device also comprises an opening and closing assembly for opening and closing the flow guide mechanism. The utility model discloses be provided with mutually independent broken storehouse and the sample storehouse of mixing, the sample is stirred the breakage in broken storehouse of mixing, and the sample after the breakage just can carry out abundant mixture with solution. The utility model discloses set the broken storehouse of mixing and the storehouse of taking a sample to mutually independent, be convenient for control sample dissolves the degree of solution in the broken storehouse of mixing, and then improve the accuracy to the sample detection.

Description

Solid-liquid mixing sampling detection device

Technical Field

The utility model relates to a sample detection field specifically relates to a solid-liquid mixing sampling test device.

Background

The disaster-causing factor is in natural or man-made environment, can generate adverse effect on human life, property or various activities, and can achieve rare or extreme events causing disaster procedures; such as rainstorm flood, drought, tropical cyclone, storm tide, frost, low temperature, hail, tsunami, earthquake, landslide, debris flow and the like are disaster-causing factors; disaster-causing factors, i.e. various abnormal factors generated by pregnant disaster environment, which are generated by various natural abnormal, man-made abnormal, technical abnormal, etc.; the disaster-causing factor, the pregnant disaster environment and the affected body together determine the disaster situation of the natural disaster, and the natural disaster affects the quality of the food growing in the natural environment.

The existing detection device can not mix food and solution, so that toxic substances in the food can not be well extracted, and the accuracy of a food detection result can be influenced.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a solid-liquid mixing sampling detection device can make this sample of food and solution carry out abundant mixture to extract the noxious material in the food.

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

a solid-liquid mixing sampling detection device comprises a device main body, a partition plate positioned in the device main body, a crushing and mixing bin positioned in the device main body and above the partition plate, and a sampling bin positioned in the device main body and below the partition plate; the crushing and stirring assembly in the crushing and mixing bin is used for crushing a solid sample and mixing the solid sample with a solution;

the partition plate is provided with a flow guide mechanism for guiding the liquid in the crushing and mixing bin into the sampling bin;

the device also comprises an opening and closing assembly for opening and closing the flow guide mechanism.

Further, a liquid collecting hole for communicating the crushing and mixing bin with the flow guide mechanism is formed in the partition plate;

the opening and closing assembly comprises a cover plate which is located inside the liquid collecting hole and faces the flow guide mechanism, an opening and closing driving mechanism for driving the cover plate to open and close the liquid collecting hole is used for driving the cover plate to be matched with the liquid collecting hole in size.

Preferably, a containing groove is formed in the partition plate, the opening and closing driving mechanism is an air cylinder located in the containing groove, and a piston rod of the air cylinder is connected with the cover plate;

the end part of the cover plate facing the cylinder is in seamless fit with the wall of the containing groove.

Further, the flow guide mechanism comprises a flow guide pipe and a ball valve positioned in the flow guide pipe, the outer wall of the ball valve is attached to the inner wall of the flow guide pipe, and a push rod for opening and closing the ball valve is connected to the ball valve;

a sampling cup capable of moving towards the flow guide mechanism is arranged in the sampling bin, a pushing plate is hinged to the position, corresponding to the push rod, of the sampling cup in a pitching mode, and a reset spring used for enabling the pushing plate to reset is connected between the pushing plate and the sampling cup;

when the sampling cup is close to the lower part of the flow guide mechanism, the push rod is contacted with the push plate.

Preferably, the ball valve comprises an outer ball fixed inside the flow guide pipe, the outer wall of the outer ball is attached to the inner wall of the flow guide pipe, and an inner ball rotatably mounted inside the outer ball, the outer wall of the inner ball is attached to the inner wall of the outer ball;

the upper part of the outer sphere is provided with an upper opening, and the lower part of the outer sphere is provided with a lower opening;

a liquid inlet is arranged at the position, corresponding to the upper opening, of the inner ball body, and a liquid outlet is arranged at the position, corresponding to the lower opening, of the inner ball body; the push rod is arranged at the position of the inner ball body close to the liquid outlet.

Further preferably, the crushing and stirring assembly in the crushing and mixing bin comprises a crushing rod which is rotatably arranged, a crushing blade which is positioned on the crushing rod and a crushing driving structure which is used for driving the crushing rod to rotate; the crushing blades on the adjacent crushing rods are arranged in a staggered mode.

Still further preferably, a placing plate is arranged in the sampling bin, and the sampling cup is positioned on the upper plate surface of the placing plate; the device also comprises a displacement driving mechanism used for moving the placing plate carrying the sampling cup into the sampling bin or out of the sampling bin.

Further preferably, clamping plates are arranged on two sides of the sampling cup, and a clamping spring is arranged between each clamping plate and the placing plate.

Still further preferably, the displacement driving mechanism comprises a displacement plate, a screw sleeve arranged on the displacement plate, a screw rod forming a ball screw structure with the screw sleeve, and a displacement motor for driving the screw rod to rotate; the placing plate is connected with the shifting plate.

More preferably, a buffer spring is connected between the lower plate surface of the placing plate and the upper plate surface of the shifting plate.

The utility model has the advantages as follows:

(1) the utility model discloses be provided with mutually independent broken mixed storehouse and sample storehouse, the sample is stirred the breakage in broken mixed storehouse, and the sample after the breakage just can carry out abundant mixture with solution to make during the composition in the sample dissolves solution, later the solution that contains the sample composition enters into the sample and is cang zhong.

The utility model discloses set the broken storehouse of mixing and the storehouse of taking a sample to mutually independent, be convenient for control sample dissolves the degree of solution in the broken storehouse of mixing, and then improve the accuracy to the sample detection.

(2) The utility model discloses be provided with automatic control's apron, when the apron covers the collecting liquid hole on the division board, the solution in the broken mixed storehouse will stop to enter into the sample cup from the water conservancy diversion mechanism that is linked together with the collecting liquid hole. Therefore, the utility model discloses convenient control sample volume.

(3) The utility model discloses an inside ball valve that comprises inside and outside spheroid that has set up of water conservancy diversion mechanism, when beginning to take a sample, the sample cup removes to the direction at water conservancy diversion mechanism place, and bellied pusher plate promotes the push rod and removes on the sample cup, and the removal of push rod drives interior spheroid and rotates at outer spheroidal inside for interior spheroidal inlet aims at outer spheroidal upper shed, and interior spheroidal liquid outlet aims at outer spheroidal under shed, and the ball valve is in the on-state this moment. Therefore, the utility model discloses a simple structure can make the ball valve switch on, convenient and fast.

After the sample is ended, the sample cup removes towards the direction of keeping away from water conservancy diversion mechanism, when the thrust plate that resumes to the original state again reachs the push rod under the spring action, the thrust plate promotes the push rod and removes, and the removal of push rod drives interior spheroid and rotates in outer spheroidal inside for interior spheroidal inlet is deviated from outer spheroidal upper shed, and interior spheroidal outlet is deviated from outer spheroidal lower open-end, and the ball valve is in the off-state this moment.

The utility model discloses a whether the ball valve switches on and is correlated with the position of sampling cup, has just controlled the on-state of ball valve at the process of removing the sampling cup, has simplified the operation flow of sample.

In addition, when the sample cup no longer is located the below of ball valve, the ball valve is in closing device immediately, can prevent that remaining solution from dripping in the device main part in the water conservancy diversion mechanism at ball valve place, therefore the utility model discloses a ball valve has the effect of antidrip in order to prevent that solution from polluting detection device.

(4) The utility model discloses a clamping spring pulls and injects the grip block for the grip block can carry out the centre gripping to the sample cup. Simultaneously broken pole rotates relatively, realize the crushing work to the sample, make the sample can mix with solution well, and then make inside the composition in the sample can abundant mixing to solution, can improve the accuracy that the noxious material detected, and then can drive the removal of apron through cylinder work, can realize the regulation of apron opening size, can adjust the load of solution, make the staff detect to the solution of different capacity, thereby can detect the content of the noxious material that contains in the sample, make the data that the sample detected more accurate.

(5) The utility model discloses a setting of lead screw and shifting board, the work of aversion motor can drive the lead screw and rotate, and then makes the shifting board can follow the inside extension of device main part and go out, and then makes the sample cup can follow the inside extension of device main part and go out, can make things convenient for the staff to take the sample cup, and then can make things convenient for the staff to detect the sample.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2A and 2B are diagrams illustrating the use state of the sampling cup and the diversion mechanism of the present invention;

fig. 3A and 3B are structural diagrams of the sampling cup of the present invention;

fig. 4A is a schematic view of the diversion mechanism of the present invention in a closed state;

fig. 4B is a schematic view of the diversion mechanism of the present invention in a conducting state;

fig. 5 is an enlarged view of the present invention at I in fig. 1;

fig. 6 is an enlarged view of the present invention at II in fig. 1;

fig. 7 is a partial enlarged view of fig. 1 according to the present invention;

fig. 8 is a schematic position diagram of the screw rod and the device body according to the present invention.

The notations in the figures have the following meanings:

1-main body of the device 2-crushing mixing bin 21-first crushing rod 21 a-first crushing pinion

22-feed hopper 23-crushing motor 23 a-crushing main gear 24-second crushing rod

24 a-second crushing pinion

3-division plate 31-cover plate 32-cylinder 33-restrictor plate

4-flow guide mechanism 41-outer sphere 411-upper opening 412-lower opening 42-inner sphere 421-liquid inlet

422-liquid outlet 423-push rod 43-draft tube 5-sampling bin 51-placing plate

511-sampling cup 5111-return spring 5112-push plate

512-clamping spring 513-clamping plate 514-elastic guide rod

52-displacement plate 521-thread sleeve 522-lead screw 523-displacement pinion 524-displacement motor

525-shift main gear 53-buffer spring 531-guide post

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A solid-liquid mixing sampling detection device comprises a device main body 1, a partition plate 3 positioned in the device main body 1, a crushing and mixing bin 2 positioned in the device main body 1 and above the partition plate 3, and a sampling bin 5 positioned in the device main body 1 and below the partition plate 3; the crushing and stirring assembly inside the crushing and mixing bin 2 is used for crushing the solid sample and mixing the solid sample with the solution. These are described below:

as shown in fig. 1, a feed hopper 22 communicated with the crushing and mixing bin 2 is provided at the middle position of the upper end of the device main body 1. The inside of the crushing and mixing bin 2 is rotatably provided with a first crushing rod 21 and a second crushing rod 24, and the first crushing rod 21 and the second crushing rod 24 are parallel to each other. As shown in fig. 5, a first crushing pinion 21a is fixedly connected to an end portion of the first crushing rod 21 extending to the outside of the apparatus main body 1, a second crushing pinion 24a is fixedly connected to an end portion of the second crushing rod 24 extending to the outside of the apparatus main body 1, a crushing motor 23 is provided outside the apparatus main body 1, a crushing main gear 23a is fixedly connected to a rotor of the crushing motor 23, and the crushing main gear 23a is engaged with the first crushing pinion 21a and the second crushing pinion 24a, respectively. As shown in fig. 1, the crushing blades of the first crushing rod 21 and the crushing blades of the second crushing rod 24 are staggered.

As shown in figure 1, two liquid collecting holes are formed in the partition plate 3, a cover plate 31 is arranged in each liquid collecting hole, and the size of each cover plate 31 is matched with that of each liquid collecting hole. As shown in fig. 6, a containing groove is formed in the partition plate 3, the opening and closing driving mechanism for moving the cover plate 31 is an air cylinder 32 located in the containing groove, and a piston rod of the air cylinder 32 is connected with the cover plate 31. The end of the cover plate 31 facing the cylinder 32 is fixedly connected with a flow restriction plate 33, and the flow restriction plate 33 is in seamless fit with the wall of the containing groove.

As shown in fig. 1, a flow guide mechanism 4 is fixedly mounted on the lower plate surface of the partition plate 3 at a position corresponding to the liquid collecting hole. The diversion mechanism 4 may be a structure similar to a pen nib, or a combination structure of a diversion tube 43 and a ball valve as shown in fig. 2A.

When the flow guide mechanism 4 is a combination structure of the flow guide tube 43 and the ball valve, as shown in fig. 2A and 2B, the ball valve includes an outer sphere 41 fixed inside the flow guide tube 43 and having an outer wall attached to an inner wall of the flow guide tube 43, and an inner sphere 42 rotatably installed inside the outer sphere 41 and having an outer wall attached to an inner wall of the outer sphere 41. The upper portion of the outer sphere 41 is provided with an upper opening 411 and the lower portion of the outer sphere 41 is provided with a lower opening 412. A liquid inlet 421 is arranged at a position on the inner sphere 42 corresponding to the upper opening 411, and a liquid outlet 422 is arranged at a position on the inner sphere 42 corresponding to the lower opening 412; a push rod 423 is fixedly installed at a position of the inner sphere 42 close to the liquid outlet 422, and a bottom end of the push rod 423 extends to the outside of the flow guide pipe 43. The division plate 3 is provided with a flow guide mechanism 4 for guiding the liquid in the crushing and mixing bin 2 into the sampling bin 5.

The utility model discloses can only the integrated configuration that honeycomb duct 43 and ball valve constitute and do not have apron 31, also can be this integrated configuration and apron 31 cooperation use.

As shown in fig. 3A and 3B, a push plate 5112 is hinged to the sampling cup 511 at a position corresponding to the push rod 423 in a tilting manner, and a return spring 5111 for returning the push plate 5112 is connected between the push plate 5112 and the sampling cup 511. When the sampling cup 511 approaches the lower part of the deflector 4 toward the deflector 4, the push rod 423 contacts the push plate 5112, the push rod 423 moves from the position shown in fig. 2B to the position shown in fig. 2A, and the push plate 5112 changes from being located in the vertical direction to the position shown in fig. 3A. When the diversion mechanism 4 is completely located right above the sampling cup 511, the push plate 5112 and the push rod 423 are no longer in contact, and the push plate 5112 is restored to the vertical direction under the action of the return spring 5111. After the sampling is finished, the sampling cup 511 moves in the opposite direction, when the push plate 5112 meets the push rod 423 again, the push plate 5112 pushes the push rod 423 to drive the inner ball 42 to rotate, and the position of the push plate 5112 in the vertical direction is changed to the position shown in fig. 3B.

As shown in fig. 1, a U-shaped placing plate 51 with a partition in the middle is provided inside the sampling chamber 5. Two sampling cups 511 are arranged on the upper plate surface of the placing plate 51, clamping plates 513 are arranged on two sides of the sampling cups 511, a clamping spring 512 is arranged between each clamping plate 513 and the placing plate 51, as shown in fig. 7, an elastic guide rod 514 is further connected between each clamping plate 513 and the placing plate 51, and the clamping spring 512 is sleeved outside the elastic guide rod 514.

As shown in fig. 1 and 7, a displacement plate 52 is disposed below the placing plate 51, a vertical guide pillar 531 is fixedly connected to an upper plate surface of the displacement plate 52, a buffer spring 53 is sleeved outside the guide pillar 531, and an upper end and a lower end of the buffer spring 53 are respectively connected to the placing plate 51 and the displacement plate 52. Two screw sleeves 521 are fixedly mounted on the lower plate surface of the displacement plate 52, a screw rod 522 penetrates through the inner part of each screw sleeve 521, a displacement pinion 523 is fixedly mounted on the end part of the screw rod 522 facing the outer part of the device body 1, a displacement motor 524 is further fixed on the device body 1, a displacement main gear 525 is fixedly mounted on a rotor of the displacement motor 524, and the displacement main gear 525 and the displacement pinion 523 are in transmission through a chain.

The utility model discloses a mixed sampling test device of solid-liquid's working process as follows:

s1, the solid sample and the solution are added into the crushing and mixing chamber 2, the crushing motor 23 is started, and the crushing motor 23 causes the first crushing rod 21 and the second crushing rod 24 to rotate to crush the solid sample, so that the sample is mixed with the solution.

S2, under the action of the shift motor 524, the sampling cup 511 moves towards the direction of the guiding mechanism 4, the push plate 5112 protruding from the sampling cup 511 pushes the push rod 423 to move, the movement of the push rod 423 drives the inner ball 42 to rotate inside the outer ball 41, so that the liquid inlet 421 of the inner ball 42 aligns with the upper opening 411 of the outer ball 41, and the liquid outlet 422 of the inner ball 42 aligns with the lower opening 412 of the outer ball 41, at this time, the ball valve is in a conducting state, that is, the ball valve is in the state shown in fig. 4B. And the cover plate 31 is moved through the air cylinder 32, so that the liquid collecting hole where the cover plate 31 is located is opened, and at the moment, the solution in the crushing and mixing bin 2 can enter the sampling cup 511 through the flow guide mechanism 4.

S3, after the sampling is finished, the cover plate 31 is closed, the sampling cup 511 is moved to the outside of the device body 1 by the shift motor 524 and the screw 522 as shown in fig. 8, and the deflector 4 is restored to the closed state as shown in fig. 4A by the pushing plate 5112 on the upper portion of the sampling cup 511.

Claims (10)

1. The utility model provides a solid-liquid mixes sample detection device which characterized in that: the device comprises a device main body (1), a partition plate (3) positioned in the device main body (1), a crushing and mixing bin (2) positioned in the device main body (1) and above the partition plate (3), and a sampling bin (5) positioned in the device main body (1) and below the partition plate (3); the crushing and stirring assembly inside the crushing and mixing bin (2) is used for crushing a solid sample and mixing the solid sample with a solution;

the division plate (3) is provided with a flow guide mechanism (4) for guiding the liquid in the crushing and mixing bin (2) into the sampling bin (5);

the device also comprises an opening and closing assembly for opening and closing the flow guide mechanism (4).

2. The solid-liquid mixed sampling test device according to claim 1, characterized in that: the top of the flow guide mechanism (4) is provided with a liquid collecting hole;

the opening and closing assembly comprises a cover plate (31) which is positioned in the liquid collecting hole and the surface of the cover plate faces the flow guide mechanism (4), an opening and closing driving mechanism for driving the cover plate (31) to open and close the liquid collecting hole, and the size of the cover plate (31) is matched with that of the liquid collecting hole.

3. The solid-liquid mixing sampling detection device according to claim 2, characterized in that: a containing groove is formed in the partition plate (3), the opening and closing driving mechanism is an air cylinder (32) located in the containing groove, and a piston rod of the air cylinder (32) is connected with the cover plate (31);

the end part of the cover plate (31) facing the cylinder (32) is in seamless fit with the wall of the containing groove.

4. The solid-liquid mixed sampling test device according to claim 1, characterized in that: the flow guide mechanism (4) comprises a flow guide pipe (43) and a ball valve positioned in the flow guide pipe (43), the outer wall of the ball valve is attached to the inner wall of the flow guide pipe (43), and a push rod (423) for opening and closing the ball valve is connected to the ball valve;

a sampling cup (511) capable of moving towards the flow guide mechanism (4) is arranged in the sampling bin (5), a pushing plate (5112) is hinged to the sampling cup (511) in a pitching mode at a position corresponding to the push rod (423), and a return spring (5111) for returning the pushing plate (5112) is connected between the pushing plate (5112) and the sampling cup (511);

when the sampling cup (511) is close to the lower part of the diversion mechanism (4), the push rod (423) is contacted with the push plate (5112).

5. The solid-liquid mixed sampling test device according to claim 4, characterized in that: the ball valve comprises an outer ball body (41) which is fixed inside the flow guide pipe (43) and the outer wall of which is attached to the inner wall of the flow guide pipe (43), and an inner ball body (42) which is rotatably arranged inside the outer ball body (41) and the outer wall of which is attached to the inner wall of the outer ball body (41);

an upper opening (411) is arranged at the upper part of the outer sphere (41), and a lower opening (412) is arranged at the lower part of the outer sphere (41);

a liquid inlet (421) is arranged at the position, corresponding to the upper opening (411), of the inner sphere (42), and a liquid outlet (422) is arranged at the position, corresponding to the lower opening (412), of the inner sphere (42); the push rod (423) is arranged at the position of the inner sphere (42) close to the liquid outlet (422).

6. The solid-liquid mixing sampling inspection device according to any one of claims 1 to 5, characterized in that: the crushing and stirring assembly in the crushing and mixing bin (2) comprises a crushing rod which is rotatably arranged, a crushing blade which is positioned on the crushing rod and a crushing driving structure which is used for driving the crushing rod to rotate; the crushing blades on the adjacent crushing rods are arranged in a staggered mode.

7. The solid-liquid mixed sampling test device according to claim 4 or 5, characterized in that: a placing plate (51) is arranged in the sampling bin (5), and the sampling cup (511) is positioned on the upper plate surface of the placing plate (51); the device also comprises a displacement drive mechanism for moving the placing plate (51) carrying the sampling cup (511) into the sampling chamber (5) or out of the sampling chamber (5).

8. The solid-liquid mixing sampling detection device according to claim 7, characterized in that: clamping plates (513) are arranged on two sides of the sampling cup (511), and a clamping spring (512) is arranged between each clamping plate (513) and the placing plate (51).

9. The solid-liquid mixing sampling detection device according to claim 8, characterized in that: the displacement driving mechanism comprises a displacement plate (52), a screw sleeve (521) positioned on the displacement plate (52), a screw rod (522) forming a ball screw structure together with the screw sleeve (521), and a displacement motor (524) for driving the screw rod (522) to rotate; the placing plate (51) is connected with the shifting plate (52).

10. The solid-liquid mixing sampling detection device according to claim 9, characterized in that: a buffer spring (53) is connected between the lower plate surface of the placing plate (51) and the upper plate surface of the shifting plate (52).

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