CN215573976U

CN215573976U - Material chemistry preparation sampling analysis device

Info

Publication number: CN215573976U
Application number: CN202122112009.XU
Authority: CN
Inventors: 谢宝和; 李啊龙; 石微微
Original assignee: Xie Baohe
Current assignee: Xie Baohe
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-18
Anticipated expiration: 2031-09-02

Abstract

The application discloses material chemistry preparation sample analysis device, including servo motor, lead screw, movable block, bracing piece, backup pad, preparation section of thick bamboo, gusset plate, heating frame, regulating plate, base, erlenmeyer flask, connecting plate, limiting plate, bottle plug, first through-hole, second through-hole, air pump, alignment jig, deflector, first connecting pipe, second connecting pipe, water tank, water pump, the lantern ring, elasticity antiskid piece, thermometer and electric cabinet. The guide plate and the reinforcing plate can support the outside of the preparation cylinder to protect the safety distance of an operator, and the electric cabinet and the water pump are convenient for adjusting the water temperature inside the preparation cylinder; the adjusting plate and the limiting plate are convenient for placing and protecting the conical bottle, the lantern ring can limit the conical bottle, and the adjusting frame can strengthen the connection between the moving block and the limiting plate; the erlenmeyer flask can accelerate internal reaction with the help of the water bath heating, and the inside sample of erlenmeyer flask can be assisted to the sampling mechanism, and the research of the sample of being convenient for has reduced the direct and erlenmeyer flask contact of operator simultaneously, guarantees the operation safety.

Description

Material chemistry preparation sampling analysis device

Technical Field

The application relates to the field of material chemistry, in particular to a sampling and analyzing device for material chemistry preparation.

Background

Sampling refers to the process of extracting an individual or sample from a population, i.e., the process of testing or observing the population. Random sampling and non-random sampling. The former refers to a sampling method for extracting samples from the population according to the randomization principle, which does not have any subjectivity, and includes simple random sampling, systematic sampling, whole group sampling, and hierarchical sampling.

The outside bearing structure that lacks of analytical equipment, the safe distance that is difficult for keeping the operator, the inside temperature of device is difficult for adjusting, influences the water-bath heating effect, and the preparation structure is difficult for stabilizing the lift, is unfavorable for placing and taking out the use of sample, and the sample when taking out, the operator contacts with the erlenmeyer flask easily, is difficult for protecting operator's safety. Therefore, a sampling and analyzing device for chemical preparation of materials is proposed to solve the above problems.

Disclosure of Invention

The utility model provides a material chemistry preparation sample analytical equipment is arranged in solving among the prior art the operator be difficult for keeping with analytical equipment's safe distance, and the inside temperature of device is difficult for adjusting, influences the water-bath heating effect, and the preparation structure is difficult for stabilizing the lift, is unfavorable for placing and taking out the use of sample, and the sample when taking out, the operator contacts with the erlenmeyer flask easily, is difficult for protecting operator's safe problem.

According to one aspect of the application, a material chemical preparation sampling analysis device is provided, which comprises a preparation cylinder, a preparation auxiliary mechanism and a sampling mechanism, wherein the preparation cylinder is fixedly connected to a base, and the top of the base is fixedly connected with two supporting plates; the preparation auxiliary mechanism comprises a lead screw, a heating frame and a water pump, the lead screw is sleeved in a supporting plate, moving blocks are sleeved on the lead screw and located on two sides of the preparation cylinder, the heating frame is fixedly connected to the bottom of an inner cavity of the preparation cylinder, the water pump is mounted on one side of the preparation cylinder, and the water pump is fixedly connected to the top of the water tank; the sampling mechanism is installed above the preparation cylinder, a guide plate is fixedly connected to the top of the preparation cylinder, and a reinforcing plate is installed at the bottom of the guide plate.

Furthermore, a servo motor is embedded in the top of the supporting plate, an output shaft of the servo motor is fixedly connected to the lead screw, one end of the moving block is clamped in the supporting plate and is in sliding connection with the supporting plate, the other end of the moving block is fixedly connected with an adjusting frame, and the bottom of the adjusting frame is fixedly connected to the limiting plate.

Furthermore, a conical flask is installed inside the preparation cylinder, the top of the conical flask is connected with a flask plug through threads, a first through hole and a second through hole are fixedly connected to the flask plug, and the diameter of the first through hole is smaller than that of the second through hole.

Further, the bottom of the conical flask is lapped on the adjusting plate, the top of the adjusting plate is fixedly connected with one end of a limiting rod, the other end of the limiting rod is connected with the bottom of the limiting plate in a clamping mode, and the limiting plate is sleeved on the conical flask.

Further, the gomphosis has the lantern ring on the limiting plate, the rigid coupling has elasticity antiskid piece on the lantern ring inner wall, lantern ring top overlap joint is in the bottle plug bottom, the diameter of bottle plug is greater than the lantern ring.

Further, the deflector is the U type, just the deflector thickness is greater than a preparation section of thick bamboo, preparation section of thick bamboo top lateral wall is run through by the alignment jig, the deflector bottom has the gusset plate through the montant rigid coupling, the gusset plate rigid coupling is on a preparation section of thick bamboo lateral wall.

Further, a thermometer is fixedly connected to one side of the preparation cylinder, the tail end of the thermometer penetrates through the side wall of the preparation cylinder, the thermometer is located below the reinforcing plate, and an electric cabinet is installed on the right side of the thermometer and fixedly connected to the preparation cylinder.

Further, the sampling mechanism comprises an air pump, a first connecting pipe and a second connecting pipe, the air pump is fixedly connected to the guide plate, one end of the second connecting pipe is sleeved on one side of the air pump, and the other end of the second connecting pipe is inserted into one of the second through holes.

Furthermore, a first connecting pipe is installed on the conical flask, one end of the first connecting pipe is inserted into the other second through hole, the other end of the first connecting pipe is located on the outer side of the bottle stopper, and the length of the first connecting pipe is larger than that of the second connecting pipe.

Furthermore, the bottom of the guide plate is fixedly connected with a connecting plate through a supporting rod, the connecting plate is positioned on the left side and the right side of the preparation cylinder, and the thickness of the connecting plate is the same as that of the guide plate.

Through the above-mentioned embodiment of this application, preparation complementary unit and sampling mechanism have been adopted, the inside temperature of device is difficult for adjusting, influence the water-bath heating effect, the difficult stable lift of preparation structure, be unfavorable for placing and taking out the use of sample, and the sample is when taking out, the operator contacts with the erlenmeyer flask easily, the problem of difficult protection operator's safety, it is effectual to have gained the water-bath heating, the preparation structure can stably go up and down, the placing and taking out of the sample of being convenient for, the sample is difficult for when taking out with erlenmeyer flask direct contact, keep the effect that the operator is safe.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 3 is a schematic structural view of a bottle closure according to an embodiment of the present application;

FIG. 4 is a schematic view of a first connecting tube structure according to an embodiment of the present application;

fig. 5 is a schematic top view of a collar structure according to an embodiment of the present application.

In the figure: 1. servo motor, 2, lead screw, 3, movable block, 4, bracing piece, 5, backup pad, 6, preparation section of thick bamboo, 601, gusset plate, 7, heating frame, 8, regulating plate, 9, base, 10, erlenmeyer flask, 11, connecting plate, 12, limiting plate, 13, bottle plug, 1301, first through-hole, 1302, second through-hole, 14, the air pump, 15, regulating frame, 16, the deflector, 17, first connecting pipe, 18, second connecting pipe, 19, the water tank, 20, the water pump, 21, the lantern ring, 2101, elasticity antiskid ribbed tile, 22, the thermometer, 23, the electric cabinet.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The analyzing apparatus in the present embodiment can be applied to various servo motors, for example, the following servo motor is provided in the present embodiment, and the analyzing apparatus in the present embodiment can be used to mount the following servo motor.

The servo motor comprises a casing and a rotor assembly positioned in the casing, wherein the casing comprises a left end cover, a cylinder body and a right end cover which are connected in sequence, a plurality of strip-shaped through holes are uniformly formed in the left end of the left end cover, a first end plate is welded on the right end in a seamless mode, a first bearing is arranged in the middle of the first end plate, the left end of the cylinder body is open, a second end plate is welded on the right end of the cylinder body, a second bearing is arranged in the middle of the second end plate, a stator core is arranged on the inner wall of the circumference of the cylinder body, a plurality of wire embedding grooves penetrating through the left end and the right end of the cylinder body are uniformly formed in the stator core, a polar column is formed between every two adjacent wire embedding grooves, a winding is wound outside the stator core through the wire embedding grooves, the rotor assembly comprises a rotating shaft and a permanent magnet, the left end of the rotating shaft penetrates through the first bearing, a cooling fan is arranged in the left end cover, the right end of the rotating shaft penetrates through the second bearing, and a photoelectric encoder is arranged in the right end cover, the rotor core that coaxial arrangement becomes the cylinder on the outer circumference of pivot, be equipped with the yoke on rotor core' S the outer circumference, the yoke falls into odd number section along axial direction, the outer circumference equidistance of every section yoke is connected with a plurality of yoke archs, form the magnet groove between two adjacent yoke archs, be equipped with the permanent magnet in the magnet groove, the permanent magnet is including all tile-shaped N utmost point magnet steel and S utmost point magnet steel, N utmost point magnet steel and S utmost point magnet steel are along circumference interval arrangement on every section yoke, N utmost point magnet steel and S utmost point magnet steel on every two sections adjacent yokes all stagger the arrangement.

Annular mounting grooves are formed in the two ends of the optimized barrel, the right end of the left end cover and the left end of the right end cover are connected with protruding rings matched with the mounting grooves, the protruding rings are located in the mounting grooves, and due to the structural design, the barrel is connected with the left end cover and the right end cover in a detachable mode respectively, and assembly is facilitated. In fact, the connection structure of the cylinder body and the left end cover and the right end cover can be considered according to specific situations.

Fastening screws penetrate through the preferred mounting groove and the convex ring, the mounting groove and the convex ring are fixed together through the fastening screws, the firmness of connection of the mounting groove and the convex ring is enhanced, and the firmness of connection of the barrel body with the left end cover and the right end cover is enhanced. In fact, other solutions for enhancing the firmness of the attachment of the mounting groove and the collar are also conceivable.

The length size ratio of the preferred left end cover, the barrel and the right end cover is 1: 2.5: by the structural design, the universality is high, and the permanent magnet synchronous servo motor has high control precision. In fact, the proportional relation of the length sizes of the left end cover, the cylinder body and the right end cover can be considered according to specific conditions.

Preferably, the magnetic yoke is divided into five sections along the axial direction, and the structural design can weaken the torque more effectively and reduce vibration and noise more effectively. In fact, the number of the segments into which the yoke is divided in the axial direction may be considered as appropriate, for example, three or seven segments, as long as the number of the segments is odd.

Of course, the present embodiment can also be used for mounting other structures of servo motors. Here, description is not repeated, and the following describes an analysis apparatus according to an embodiment of the present application.

Referring to fig. 1-5, a sampling and analyzing device for chemical preparation of materials comprises a preparation cylinder 6, a preparation auxiliary mechanism and a sampling mechanism, wherein the preparation cylinder 6 is fixedly connected to a base 9, and two supporting plates 5 are fixedly connected to the top of the base 9, so that the supporting plates 5 can be conveniently mounted and fixed on the base 9; the preparation auxiliary mechanism comprises a lead screw 2, a heating frame 7 and a water pump 20, the lead screw 2 is sleeved in a supporting plate 5, a moving block 3 is sleeved on the lead screw 2, the moving block 3 is positioned on two sides of a preparation cylinder 6, the heating frame 7 is fixedly connected to the bottom of an inner cavity of the preparation cylinder 6, the water pump 20 is installed on one side of the preparation cylinder 6, and the water pump 20 is fixedly connected to the top of a water tank 19 so as to facilitate preparation of auxiliary chemical reagents; the sampling mechanism is installed above the preparation cylinder 6, a guide plate 16 is fixedly connected to the top of the preparation cylinder 6, and a reinforcing plate 601 is installed at the bottom of the guide plate 16, so that the reinforcing plate 601 can support and reinforce the guide plate 16 conveniently.

The top of the supporting plate 5 is embedded with a servo motor 1, an output shaft of the servo motor 1 is fixedly connected to a lead screw 2, one end of the moving block 3 is clamped in the supporting plate 5 and is in sliding connection with the supporting plate 5, the other end of the moving block 3 is fixedly connected with an adjusting frame 15, the bottom of the adjusting frame 15 is fixedly connected to a limiting plate 12, and the limiting plate 12 is conveniently connected with the moving block 3; the preparation cylinder 6 is internally provided with a conical flask 10, the top of the conical flask 10 is connected with a flask stopper 13 through threads, the flask stopper 13 is fixedly connected with a first through hole 1301 and a second through hole 1302, and the diameter of the first through hole 1301 is smaller than that of the second through hole 1302, so that the conical flask 10 is conveniently connected with the flask stopper 13; the bottom of the conical bottle 10 is overlapped on the adjusting plate 8, one end of a limiting rod is fixedly connected to the top of the adjusting plate 8, the other end of the limiting rod is connected with the bottom of a limiting plate 12 in a clamping mode, and the limiting plate 12 is sleeved on the conical bottle 10 to facilitate placement of the conical screen 10 on the adjusting plate 8; a lantern ring 21 is embedded in the limiting plate 12, an elastic anti-slip sheet 2101 is fixedly connected to the inner wall of the lantern ring 21, the top of the lantern ring 21 is lapped on the bottom of the bottle stopper 13, and the diameter of the bottle stopper 13 is larger than that of the lantern ring 21, so that the conical bottle 10 is limited conveniently; the guide plate 16 is U-shaped, the thickness of the guide plate 16 is larger than that of the preparation cylinder 6, the side wall of the top of the preparation cylinder 6 is penetrated through by the adjusting frame 15, the bottom of the guide plate 16 is fixedly connected with a reinforcing plate 601 through a vertical rod, and the reinforcing plate 601 is fixedly connected to the side wall of the preparation cylinder 6, so that the guide plate 16 can be conveniently installed and used; a thermometer 22 is fixedly connected to one side of the preparation cylinder 6, the tail end of the thermometer 22 penetrates through the side wall of the preparation cylinder 6, the thermometer 22 is located below the reinforcing plate 601, an electric cabinet 23 is installed on the right side of the thermometer 22, and the electric cabinet 23 is fixedly connected to the preparation cylinder 6, so that the water temperature can be conveniently controlled and adjusted; the sampling mechanism comprises an air pump 14, a first connecting pipe 17 and a second connecting pipe 18, the air pump 14 is fixedly connected to the guide plate 16, one end of the second connecting pipe 18 is sleeved on one side of the air pump 14, and the other end of the second connecting pipe 18 is inserted into one of the second through holes 1302, so that the air pump 14 is conveniently connected with the conical flask 10; a first connecting pipe 17 is installed on the conical flask 10, one end of the first connecting pipe 17 is inserted into the other second through hole 1302, the other end of the first connecting pipe 17 is located at the outer side of the bottle stopper 13, and the length of the first connecting pipe 17 is greater than that of the second connecting pipe 18, so that a sample can be conveniently taken out; the bottom of the guide plate 16 is fixedly connected with a connecting plate 11 through a support rod 4, the connecting plate 11 is positioned on the left side and the right side of the preparation cylinder 6, and the thickness of the connecting plate 11 is the same as that of the guide plate 16, so that the connecting plate 11 is convenient to install and use.

When the utility model is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, firstly, a conical flask 10 is placed on an adjusting plate 8, a limiting plate 12 and a lantern ring 21 are sleeved on the conical flask 10, the bottom of the lantern ring 21 is clamped on the limiting block, the limiting block is fixedly connected on the side wall of the conical flask 10, a bolt is inserted at the joint of the limiting plate 12 and the limiting block, the limiting plate 12 can be connected with the adjusting plate 8 at the bottom for reinforcement, a bottle stopper 13 is arranged at the top of the conical flask 10, a moving block 3 is utilized to move on a lead screw 2, an adjusting frame 15 drives the conical flask 10 to move downwards to immerse the conical flask 10 into water in a preparation cylinder 6, a heating wire is fixedly connected on a heating frame 7 to heat the water, a thermometer 22 can detect the temperature of the water, when the temperature of the water is higher, the heating frame 7 stops heating, a water pump 20 injects water into the preparation cylinder 6 to reduce the temperature, and keeps the temperature of the water basically constant, carry out the water bath heating to erlenmeyer flask 10, promote the inside reaction of erlenmeyer flask 10, after the reaction, regulating plate 8 and erlenmeyer flask 10 move up, with erlenmeyer flask 10 and separation of water cooling, install first connecting pipe 17 and second connecting pipe 18 in two second through-holes 1302 respectively, external sample storage structure is connected to first connecting pipe 17, utilize air pump 14 to take out unnecessary air in the erlenmeyer flask 10, the inside reagent of erlenmeyer flask 10 is impressed by the negative pressure and is discharged in the first connecting pipe 17, realize the sample of reagent, then carry out subsequent sample analysis.

The application has the advantages that:

1. the water bath heating device is simple to operate, the guide plate 16 and the reinforcing plate 601 can support the outside of the preparation cylinder 6, the safety distance of an operator is protected, the electric cabinet 23 and the water pump 20 are convenient for adjusting the water temperature inside the preparation cylinder 6, and the water bath heating effect is kept;

2. the structure is reasonable, the adjusting plate 8 and the limiting plate 12 are convenient for placing and protecting the conical bottle 10, the lantern ring 21 can limit the conical bottle 10, stable lifting of the conical bottle 10 is convenient, the adjusting frame 15 can strengthen connection between the moving block 3 and the limiting plate 12, and damage to the conical bottle 10 is reduced;

3. the internal reaction can be accelerated with the help of the water bath heating to the erlenmeyer flask 10, and the inside sample of erlenmeyer flask 10 can be assisted to the sampling mechanism, and the research of the sample of being convenient for has reduced the direct and erlenmeyer flask 10 contact of operator simultaneously, guarantees the operation safety.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A material chemical preparation sampling analysis device is characterized in that: the device comprises a preparation cylinder (6), a preparation auxiliary mechanism and a sampling mechanism, wherein the preparation cylinder (6) is fixedly connected to a base (9), and the top of the base (9) is fixedly connected with two supporting plates (5); the preparation auxiliary mechanism comprises a lead screw (2), a heating frame (7) and a water pump (20), the lead screw (2) is sleeved in a supporting plate (5), a moving block (3) is sleeved on the lead screw (2), the moving block (3) is positioned on two sides of a preparation barrel (6), the heating frame (7) is fixedly connected to the bottom of an inner cavity of the preparation barrel (6), the water pump (20) is installed on one side of the preparation barrel (6), and the water pump (20) is fixedly connected to the top of a water tank (19); the sampling mechanism is installed above the preparation cylinder (6), a guide plate (16) is fixedly connected to the top of the preparation cylinder (6), and a reinforcing plate (601) is installed at the bottom of the guide plate (16).

2. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: the top of the supporting plate (5) is embedded with a servo motor (1), an output shaft of the servo motor (1) is fixedly connected to the lead screw (2), one end of the moving block (3) is clamped in the supporting plate (5) and is in sliding connection with the supporting plate (5), the other end of the moving block (3) is fixedly connected with an adjusting frame (15), and the bottom of the adjusting frame (15) is fixedly connected to the limiting plate (12).

3. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: the preparation cylinder (6) is internally provided with a conical flask (10), the top of the conical flask (10) is connected with a flask plug (13) through threads, the flask plug (13) is fixedly connected with a first through hole (1301) and a second through hole (1302), and the diameter of the first through hole (1301) is smaller than that of the second through hole (1302).

4. A material chemical preparation sampling analysis apparatus according to claim 3, wherein: the utility model discloses a taper flask, including regulating plate (12), regulating plate (8), gag lever post one end, gag lever post other end and limiting plate (12) bottom block are connected, the limiting plate (12) cup joint on taper flask (10).

5. A material chemical preparation sampling analysis device according to claim 4, wherein: the limiting plate (12) is embedded with a lantern ring (21), the inner wall of the lantern ring (21) is fixedly connected with an elastic anti-slip sheet (2101), the top of the lantern ring (21) is lapped at the bottom of the bottle stopper (13), and the diameter of the bottle stopper (13) is larger than that of the lantern ring (21).

6. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: the utility model discloses a preparation section of thick bamboo, including deflector (16), deflector (16) are the U type, just the thickness of deflector (16) is greater than a preparation section of thick bamboo (6), a preparation section of thick bamboo (6) top lateral wall is run through by alignment jig (15), deflector (16) bottom has reinforcing plate (601) through the montant rigid coupling, reinforcing plate (601) rigid coupling is on a preparation section of thick bamboo (6) lateral wall.

7. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: a thermometer (22) is fixedly connected to one side of the preparation cylinder (6), the end of the thermometer (22) penetrates through the side wall of the preparation cylinder (6), the thermometer (22) is located below the reinforcing plate (601), an electric cabinet (23) is installed on the right side of the thermometer (22), and the electric cabinet (23) is fixedly connected to the preparation cylinder (6).

8. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: the sampling mechanism comprises an air pump (14), a first connecting pipe (17) and a second connecting pipe (18), the air pump (14) is fixedly connected to the guide plate (16), one end of the second connecting pipe (18) is sleeved on one side of the air pump (14), and the other end of the second connecting pipe (18) is inserted into one of the second through holes (1302).

9. A material chemical preparation sampling analysis device according to claim 4, wherein: the bottle stopper is characterized in that a first connecting pipe (17) is installed on the conical bottle (10), one end of the first connecting pipe (17) is inserted into the other second through hole (1302), the other end of the first connecting pipe (17) is located on the outer side of the bottle stopper (13), and the length of the first connecting pipe (17) is larger than that of the second connecting pipe (18).

10. A material chemical preparation sampling analysis apparatus according to claim 1, wherein: the bottom of the guide plate (16) is fixedly connected with a connecting plate (11) through a supporting rod (4), the connecting plate (11) is located on the left side and the right side of the preparation cylinder (6), and the thickness of the connecting plate (11) is the same as that of the guide plate (16).