CN217120456U

CN217120456U - Agricultural production matrix test sample preparation device

Info

Publication number: CN217120456U
Application number: CN202220648334.XU
Authority: CN
Inventors: 蒋越华; 蒲琦; 罗再历; 范稚莲; 林鹰; 张莉娟; 梁宏合; 宁蕾
Original assignee: Guangxi Subtropical Crops Research Institute
Current assignee: Guangxi Subtropical Crops Research Institute
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-05
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to the technical field of planting tools, in particular to an agricultural production matrix test sample preparation device, which comprises a box body, a crushing rod, a crushing motor and a crushing barrel, wherein a cavity is arranged in the box body, one end of the box body is provided with a box opening communicated with the cavity, and the box opening is provided with a box cover; the crushing rod is positioned in the cavity, one end of the crushing rod, which is close to the box opening, is connected with the box body through a connecting frame, and the other end of the crushing rod is provided with a crushing knife; the crushing motor is used for driving the crushing rod; the crushing barrel is of a round platform structure with two open ends, the crushing barrel is covered outside the crushing rod, one end of the wide opening of the crushing barrel is connected with the inner wall of the box body, and one end of the narrow opening of the crushing barrel is provided with a screen. The utility model discloses an agricultural production matrix test sample preparation facilities can reduce test sample preparation personnel's intensity of labour, reduces the raise dust and appears, improves the work efficiency of matrix test sample preparation.

Description

Agricultural production matrix test sample preparation device

Technical Field

The utility model belongs to the technical field of planting tool technique and specifically relates to an agricultural production matrix test sample preparation facilities.

Background

Agricultural production substrates, generally including nursery substrates and cultivation substrates, refer to solid media that provide mechanical support and material supply for plants in place of soil. The agricultural production substrate prepared by a specific process has the advantages of loose texture, high fiber content, good water retention, fertilizer retention, less pest and grass pollution sources and the like, so that the agricultural production substrate is generally used for industrial seedling culture and facility agricultural cultivation.

Obviously, agricultural production substrates are an important material basis for efficient facility cultivation. Therefore, it is necessary to understand the correlation between the physicochemical properties of the substrate and the physiological indexes of plant growth and development, and to provide the basic data and theoretical guidance for screening the efficient special substrate required by various plant productions. However, in the experimental analysis of the physicochemical properties of the matrix, the preparation of matrix test samples is required to be done, and for example, matrix crushing and screening are common treatment methods in the preparation process of matrix samples. Usually in the preparation process of laboratory matrix sample, need artifical with the wooden hammer grind, hammer or grind, cut up the fibrous material in the matrix, shift to the sieve again and sieve and carry out the screening, manual operation is comparatively loaded down with trivial details, and raise dust easily appears in the operation process moreover, and especially when the sample volume is big, not only increased artifical intensity of labour, also can influence health and surrounding environment simultaneously.

Therefore, how to provide an agricultural production matrix test sample preparation device to solve the above-mentioned problem, in order to reduce test sample preparation personnel's intensity of labour, reduce the raise dust and appear, improve matrix test sample preparation's work efficiency, is the problem that this field technical staff needs urgent research solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an agricultural production matrix test sample preparation facilities can reduce test sample preparation personnel's intensity of labour, reduces the raise dust and appears, improves the work efficiency of matrix test sample preparation.

In order to realize the purpose, the utility model discloses a technical scheme be:

an agricultural production matrix test sample preparation device comprises a box body, a crushing rod, a crushing motor and a crushing barrel, wherein a cavity is arranged in the box body, a box opening communicated with the cavity is formed in one end of the box body, a box cover is arranged at the box opening, and the box cover is connected with the box body through a first buckle so that the box cover closes the box opening;

the crushing rod is positioned in the cavity, one end of the crushing rod, which is close to the box opening, is connected with the box body through a connecting frame, and the other end of the crushing rod is provided with a crushing knife; the crushing motor is fixedly connected with the outer wall of the box body, a driving shaft of the crushing motor penetrates into the cavity and is fixedly provided with a first conical gear, and one end of the crushing rod, which is close to the box opening, is fixedly sleeved with a second conical gear meshed with the first conical gear, so that the crushing motor can drive the crushing rod to rotate;

the crushing cylinder is a round platform structure with two open ends, the crushing cylinder cover is arranged outside the crushing rod, one end of a wide opening of the crushing cylinder is connected with the inner wall of the box body, one end of a narrow opening of the crushing cylinder is provided with a screen, the screen faces away from the box opening, a collection box is arranged on one side of the box opening, and the collection box is arranged in the cavity, so that the substrate passing through the screen can enter the collection box.

Furthermore, a plurality of supporting springs are uniformly distributed on the outer wall of one end of the wide opening of the crushing barrel, and two ends of each supporting spring are fixedly connected with the crushing barrel and the box body respectively; one end of the narrow opening of the crushing cylinder is driven by a vibration mechanism;

the vibrating mechanism comprises a transmission rod and a transmission disc, a through reserved opening is formed in the side wall of the box body, one end of the transmission rod is connected with the outer wall of the narrow opening of the crushing barrel in a rotating mode, the other end of the transmission rod penetrates out of the cavity body through the reserved opening, the other end of the transmission rod is connected with the eccentric circle of the transmission disc in a rotating mode, the transmission disc is driven by a vibrating motor, and the vibrating motor is fixedly connected with the outer wall of the box body.

Furthermore, the end face of the wide opening of the crushing barrel is provided with an organ type protection pipe, one end of the organ type protection pipe is fixedly connected with the crushing barrel, and the other end of the organ type protection pipe faces the box opening and is fixedly connected with the inner wall of the box body.

Furthermore, the box body is provided with at least two trigger buttons in a concave mode on the end face, close to the box opening, when the box cover closes the box opening, the box cover can press down the trigger buttons, and the trigger buttons are electrically connected with the crushing motor and the vibration motor through a controller.

Further, the screen mesh is connected with the crushing barrel through a connecting ring, the connecting ring comprises a first half ring, a second half ring and a fixing screw, arc-shaped grooves with two open ends are concavely formed in inner rings of the first half ring and the second half ring, one surface of the first half ring is fixedly connected with the end surface of the narrow end of the crushing barrel, and first connecting pieces are fixedly arranged on outer walls of the two ends of the first half ring respectively; the outer walls of two ends of the second semi-ring are respectively and fixedly provided with a second connecting piece, the fixing screw is slidably arranged on the second connecting piece in a penetrating way and then is in threaded connection with the first connecting piece, so that the second semi-ring is connected with the first semi-ring to form a circular ring, and the two arc-shaped grooves are mutually connected to form a ring groove; the periphery of the screen is arranged in the annular groove and is abutted against the annular groove.

Further, the fixing screw is sleeved with an abutting spring, and two ends of the abutting spring are respectively abutted to the fixing screw and the second connecting piece.

Furthermore, the screen cloth pass through the connecting cylinder with the crushing barrel is connected, the connecting cylinder is the tubular structure of both ends open-ended, the screen cloth slides and sets up in the connecting cylinder, the fixed spacing ring that is provided with of inner wall of connecting cylinder one end, other end screw thread cover is located the outer wall of crushing barrel narrow end, so that can all around of screen cloth by the spacing ring reaches the crushing barrel centre gripping.

Furthermore, the side wall of the box body is provided with a switch port communicated with the cavity, the switch port is of a semicircular structure, and the collecting box can be slidably embedded into the cavity through the switch port; the switch opening is provided with a switch cover, one end of the switch cover is rotatably connected with the box body, and the other end of the switch cover is connected with the box body through a second hasp, so that the switch cover seals the switch opening, and two sides of the collecting box can be clamped between the switch cover and the inner wall of the box body.

Furthermore, the case lid is concavely provided with a fixing groove, a connecting bearing is fixedly arranged in the fixing groove, and when the case lid is closed at the case opening, one end of the crushing rod, which is far away from the crushing knife, can be slidably embedded into the connecting bearing.

The utility model has the advantages that:

1. the substrate is thrown into the cavity, the substrate can enter the crushing barrel, the first bevel gear drives the second bevel gear to rotate under the action of the crushing motor, the crushing rod rotates, and the crushing cutter crushes the substrate; after the substrate is ground to a suitable particle size, it can pass through a screen into a collection box, completing the preparation of the substrate sample. The utility model discloses need not artifical manual smashing, cut garrulous and screening, the preparation process of matrix sample is accomplished in the box moreover, reduces the sample and shifts the procedure, improves the preparation efficiency of matrix sample, can avoid the raise dust to influence the experimenter healthy moreover.

2. Because the other end of transfer line and the eccentric circle department of drive disk rotate to be connected, under vibrating motor's drive, the drive disk drives the one end of transfer line and carries out eccentric circle motion for the transfer line can drive crushing barrel vibration, thereby has realized carrying out vibratory screening to the matrix after smashing, has improved screening efficiency, can reduce the jam of screen cloth moreover. Under the effect of organ formula protection tube, can prevent that the matrix that does not smash the completion from getting into between crushing section of thick bamboo and the collection box, ensure the screening effect of matrix.

Drawings

Fig. 1 is a schematic structural diagram of an agricultural production matrix test sample preparation device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an open/close door of the agricultural production matrix test sample preparation device according to the embodiment of the present invention.

FIG. 3 is a schematic view of the connecting ring structure of the agricultural production substrate test sample preparation device according to the first embodiment of the present invention.

Fig. 4 is a schematic view of the arc-shaped groove structure of the agricultural production substrate test sample preparation device according to the first embodiment of the present invention.

FIG. 5 is a schematic view showing the structure of a connecting cylinder of an agricultural production substrate test specimen preparation apparatus according to a second embodiment of the present invention.

In the figure, 1-box body, 101-reserved port, 102-switch port, 11-cavity, 12-box port, 13-box cover, 131-first buckle, 132-fixed slot, 133-connecting bearing, 14-trigger button, 141-controller, 2-crushing rod, 21-connecting frame, 22-crushing knife, 3-crushing motor, 31-first bevel gear, 32-second bevel gear, 4-crushing barrel, 41-supporting spring, 42-organ type protecting tube, 5-screen, 51-collecting box, 6-driving rod, 61-driving disk, 62-vibrating motor, 701-arc slot, 71-first half ring, 711-first connecting piece, 72-second half ring, 721-second connecting piece, 73-fixing screw, 731-abutting spring, 8-connecting cylinder, 81-limiting ring, 9-switch cover and 91-second buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 4, the matrix sample preparation device of the present invention includes a box body 1, a crushing rod 2, a crushing motor 3 and a crushing barrel 4.

The box body 1 is internally provided with a cavity 11, one end of the box body 1 is provided with a box opening 12 communicated with the cavity 11, the box opening 12 is provided with a box cover 13, and the box cover 13 is connected with the box body 1 through a first buckle 131 so that the box opening 12 is sealed by the box cover 13.

The crushing rod 2 is positioned in the cavity 11, one end of the crushing rod 2 close to the box opening 12 is connected with the box body 1 through a connecting frame 21, and the other end is provided with a crushing knife 22; the outer wall fixed connection of crushing motor 3 and box 1, and the drive shaft of crushing motor 3 penetrates in cavity 11 and the fixed first conical gear 31 that is provided with, the fixed cover of the one end that crushing pole 2 is close to case mouth 12 is equipped with second conical gear 32 with first conical gear 31 meshing to make crushing motor 3 can drive crushing pole 2 and rotate. The drive shaft of the crushing motor 3 may be erected on the connecting frame 21, and the drive shaft of the crushing motor 3 is rotatably connected with the connecting frame 21 through a bearing.

As shown in fig. 1, in this embodiment, a fixing groove 132 is concavely provided in the case lid 13, a connecting bearing 133 is fixedly provided in the fixing groove 132, and when the case lid 13 closes the case opening 12, one end of the crushing rod 2 away from the crushing blade 22 can be slidably fitted into the connecting bearing 133. Support fixedly crushing pole 2 through connecting bearing 133, reduce the vibration of crushing pole 2, can improve the stability of crushing pole 2.

Crushing cylinder 4 is both ends open-ended round platform structure, and crushing cylinder 4 covers and establishes outside crushing

pole

2, and 4 wide mouthful one end and 1 wall connection of box of crushing cylinder, and the one end of 4 narrow mouths of crushing cylinder is equipped with screen cloth 5, and the one side of screen cloth 5 box mouth 12 dorsad is equipped with collects box 51, and collects box 51 and locate in the cavity 11 to the messenger can enter into to collecting box 51 through the matrix of screen cloth 5.

By putting the substrate into the cavity 11, the substrate can enter the crushing cylinder 4, the first bevel gear 31 drives the second bevel gear 32 to rotate under the action of the crushing motor 3, so that the crushing rod 2 rotates, and the crushing cutter 22 crushes the substrate; the matrix is smashed and can get into collection box 51 through screen cloth 5 after suitable particle diameter to accomplished the preparation of matrix sample, this embodiment need not artifical manual crushing, cuts garrulous and screening, and the preparation process of matrix sample is accomplished in box 1 in addition, reduces the sample and shifts the procedure, improves the preparation efficiency of matrix sample, can avoid the raise dust to influence the experimenter healthy in addition.

As shown in fig. 1, a plurality of supporting springs 41 are uniformly distributed on the outer wall of one wide end of the crushing cylinder 4, and two ends of each supporting spring 41 are respectively fixedly connected with the crushing cylinder 4 and the box body 1; one end of the narrow opening of the crushing cylinder 4 is driven by a vibration mechanism.

The vibrating mechanism comprises a transmission rod 6 and a transmission disc 61, the side wall of the box body 1 is provided with a through reserved opening 101, one end of the transmission rod 6 is rotatably connected with the outer wall of the narrow opening of the crushing barrel 4, the other end of the transmission rod 6 penetrates out of the cavity 11 through the reserved opening 101, the other end of the transmission rod 6 is rotatably connected with the eccentric circle of the transmission disc 61, the transmission disc 61 is driven by a vibrating motor 62, and the vibrating motor 62 is fixedly connected with the outer wall of the box body 1.

Reserved mouth 101 of this embodiment can set up the organ formula protection casing, and organ formula protection casing one end cover is established on reserved mouth 101, and the other end and transfer line 6 fixed connection for the raise dust of cavity 11 can not be through reserved mouth 101 raise out cavity 11, further ensures experimenter's safety.

Because the other end of transfer line 6 is connected with the eccentric circle department of transmission disc 61 rotation, under the drive of vibrating motor 62, transmission disc 61 drives the one end of transfer line 6 and carries out eccentric circle motion for transfer line 6 can drive the vibration of crushing section of thick bamboo 4, thereby has realized carrying out vibratory screening to the matrix after smashing, has improved screening efficiency, can reduce the jam of screen cloth 5 moreover.

In this embodiment, an accordion-type protection pipe 42 is disposed on the wide end surface of the crushing barrel 4, one end of the accordion-type protection pipe 42 is fixedly connected to the crushing barrel 4, and the other end faces the box opening 12 and is fixedly connected to the inner wall of the box body 1. The organ type protection tube 42 can cooperate with the vibration of the crushing cylinder 4, and can prevent the un-crushed substrate from entering between the crushing cylinder 4 and the collection box 51, thereby ensuring the sieving effect of the substrate.

In this embodiment, at least two trigger buttons 14 are concavely disposed on the end surface of the box body 1 close to the box opening 12, when the box cover 13 closes the box opening 12, the box cover 13 can press the trigger buttons 14, and the trigger buttons 14 are electrically connected with the pulverizing motor 3 and the vibration motor 62 through the controller 141. The controller 141 can be a single chip microcomputer, and when the trigger button 14 is not pressed down, the case cover 13 is proved to be not closed, the crushing motor 3 and the vibration motor 62 cannot be started, and accidents are effectively prevented; when the trigger button 14 is triggered, the lid 13 is proved to be closed, and the crushing motor 3 and the vibration motor 62 can be started according to the control signal. The box body 1 of the embodiment is concavely provided with a notch, and the trigger button 14 is fixedly arranged in the notch.

As shown in fig. 2, the side wall of the box 1 is provided with an opening/closing port 102 communicated with the cavity 11, the opening/closing port 102 is of a semicircular structure, and the collecting box 51 can be slidably inserted into the cavity 11 through the opening/closing port 102. The switch opening 102 is provided with a switch cover 9, one end of the switch cover 9 is rotatably connected with the box body 1, and the other end of the switch cover 9 is connected with the box body 1 through a second buckle 91, so that the switch cover 9 closes the switch opening 102, and two sides of the collecting box 51 can be clamped between the switch cover 9 and the inner wall of the box body 1.

By opening the lid 9, the collection container 5 can be taken out of the cavity 11 to obtain a matrix sample in the collection container 5. Because the vibrating mechanism can shake the box body 1, when the switch cover 9 closes the switch opening 102, two sides of the collecting box 51 can be clamped between the switch cover 9 and the inner wall of the box body 1, so that the collision between the collecting box 51 and the box body 1 can be reduced, and the noise can be reduced.

As shown in fig. 3 and 4, the mesh 5 is connected to the pulverizing cylinder 4 through a connection ring including a first half ring 71, a second half ring 72, and a fixing screw 73.

The inner rings of the first half ring 71 and the second half ring 72 are both concavely provided with arc-shaped grooves 701 with two ends of opening structures, one surface of the first half ring 71 is fixedly connected with the end surface of the narrow end of the crushing cylinder 4, and the outer walls of the two ends of the first half ring 71 are respectively fixedly provided with a first connecting piece 711. The outer walls of the two ends of the second half ring 72 are respectively fixedly provided with a second connecting member 721, and the fixing screws 73 are slidably inserted into the second connecting member 721 and then are in threaded connection with the first connecting member 711, so that the second half ring 72 and the first half ring 71 are connected to form a circular ring, and the two arc-shaped grooves 701 are connected to each other to form a circular ring. The periphery of the screen 5 is arranged in the ring groove and is abutted against the ring groove. The first connector 711 of the present embodiment is provided with a through connection hole, and the second connector 721 is provided with a threaded hole, so that the fixing screw 73 can be screwed with the first connector 711 after passing through the second connector 721. In this embodiment, a reinforcing ring may be disposed around the screen 5 to prevent the screen 5 from being separated from the ring groove due to an excessive force.

Because the matrix has certain moisture to make screen cloth 5 the condition of jam easily appear, through unscrewing set screw 73, can dismantle first semi-ring 71 with second semi-ring 72, thereby can dismantle first semi-ring 71 with screen cloth 5 to dredge the maintenance to screen cloth 5, can change the screen cloth 5 of different mesh moreover, with the preparation of the different kind matrix sample of adaptation. The utility model discloses in, set screw 73 is towards switch mouth 102 for open switch cover 9 and take out after collecting box 51, through at switch mouth 102 alright twist set screw 73, reduce the degree of difficulty that screen cloth 5 dismantled the change.

In this embodiment, the fixing screw 73 is sleeved with an abutting spring 731, and two ends of the abutting spring 731 abut against the fixing screw 73 and the second connecting member 721 respectively. The abutment spring 731 prevents the fixing screw 73 from being loosened by the vibration of the grinding cylinder 4, and ensures stable connection between the first half ring 71 and the second half ring 72.

When a substrate sample is produced using the substrate sample preparation apparatus of this embodiment, the lid 13 is opened, the substrate is thrown into the cavity 11, the substrate can enter the pulverization chamber 4, the lid 13 is closed on the opening 12, and the lid 13 is closed on the opening 12 by the first hook 131.

When the crushing motor 3 is started, the first bevel gear 31 drives the second bevel gear 32 to rotate, so that the crushing rod 2 rotates, and the crushing blade 22 crushes the substrate. Meanwhile, the vibrating motor 62 is started, the transmission disc 61 drives one end of the transmission rod 6 to perform eccentric circular motion, the transmission rod 6 drives the crushing cylinder 4 to vibrate, and the substrate with the particle size being in a proper size falls into the collection box 51 through the screen 5. This embodiment may also be vibratory screening after the completion of the comminution.

Example 2

pole

In this embodiment, at least two trigger buttons 14 are concavely disposed on the end surface of the box body 1 close to the box opening 12, when the box cover 13 closes the box opening 12, the box cover 13 can press down the trigger buttons 14, and the trigger buttons 14 are electrically connected with the pulverizing motor 3 and the vibration motor 62 through the controller 141. The controller 141 can be a single chip microcomputer, and when the trigger button 14 is not pressed down, the case cover 13 is proved to be not closed, the crushing motor 3 and the vibration motor 62 cannot be started, and accidents are effectively prevented; when the trigger button 14 is triggered, the lid 13 is proved to be closed, and the crushing motor 3 and the vibration motor 62 can be started according to the control signal. The box body 1 of the embodiment is concavely provided with a notch, and the trigger button 14 is fixedly arranged in the notch.

As shown in fig. 5, the screen 5 is connected with the crushing cylinder 4 through the connecting cylinder 8, the connecting cylinder 8 is a tubular structure with two open ends, the screen 5 is slidably arranged in the connecting cylinder 8, the inner wall of one end of the connecting cylinder 8 is fixedly provided with a limit ring 81, and the outer wall of the narrow end of the crushing cylinder 4 is sleeved with threads at the other end, so that the periphery of the screen 5 can be clamped by the limit ring 81 and the crushing cylinder 4. In this embodiment, a reinforcing ring may be disposed around the screen 5 to prevent the screen 5 from separating from the limiting ring 81 due to an excessive force.

Because the matrix has certain moisture to make the condition of jam appear easily in screen cloth 5, through rotating connecting cylinder 8, can dismantle out crushing cylinder 4 with connecting cylinder 8, so that dredge the maintenance to screen cloth 5, can change the screen cloth 5 of different mesh numbers in addition, with the preparation of the different kind matrix sample of adaptation. In this embodiment, the screen 5 can be removed and replaced at the opening/closing port 102 after the collection box 51 is taken out by opening the opening/closing cover 9.

When a substrate sample is produced using the substrate sample preparation apparatus of this embodiment, the lid 13 is opened, the substrate is put into the cavity 11, the substrate can enter the pulverization barrel 4, the lid 13 is placed on the opening 12, and the lid 13 is closed to the opening 12 by the first hook 131.

When the crushing motor 3 is started, the first bevel gear 31 drives the second bevel gear 32 to rotate, so that the crushing rod 2 rotates, and the crushing blade 22 crushes the substrate. Meanwhile, the vibrating motor 62 is started, the transmission disc 61 drives one end of the transmission rod 6 to perform eccentric circular motion, the transmission rod 6 drives the crushing cylinder 4 to vibrate, and the substrate with the particle size being in a proper size falls into the collection box 51 through the screen 5. This embodiment may also be subjected to vibratory screening after completion of the pulverization.

Claims

1. The agricultural production matrix test sample preparation device is characterized by comprising a box body (1), a crushing rod (2), a crushing motor (3) and a crushing cylinder (4), wherein a cavity (11) is arranged in the box body (1), a box opening (12) communicated with the cavity (11) is formed in one end of the box body (1), a box cover (13) is arranged at the box opening (12), and the box cover (13) is connected with the box body (1) through a first buckle (131) so that the box opening (12) can be closed by the box cover (13);

the crushing rod (2) is positioned in the cavity (11), one end of the crushing rod (2) close to the box opening (12) is connected with the box body (1) through a connecting frame (21), and the other end of the crushing rod is provided with a crushing knife (22); the crushing motor (3) is fixedly connected with the outer wall of the box body (1), a driving shaft of the crushing motor (3) penetrates into the cavity (11) and is fixedly provided with a first conical gear (31), and one end, close to the box opening (12), of the crushing rod (2) is fixedly sleeved with a second conical gear (32) meshed with the first conical gear (31), so that the crushing motor (3) can drive the crushing rod (2) to rotate;

crushing cylinder (4) are both ends open-ended round platform structure, crushing cylinder (4) cover is established outside crushing pole (2), just the one end of the wide mouth of crushing cylinder (4) with box (1) inner wall connection, the one end of crushing cylinder (4) slot is equipped with screen cloth (5), screen cloth (5) dorsad the one side of case mouth (12) is equipped with collects box (51), just collect box (51) and locate in cavity (11), so that the process the matrix of screen cloth (5) can enter into extremely collect in the box (51).

2. An agricultural production substrate test sample preparation device according to claim 1, wherein: a plurality of supporting springs (41) are uniformly distributed on the outer wall of one end of the wide opening of the crushing cylinder (4), and two ends of each supporting spring (41) are fixedly connected with the crushing cylinder (4) and the box body (1) respectively; one end of the narrow opening of the crushing barrel (4) is driven by a vibration mechanism;

vibration mechanism includes transfer line (6) and driving plate (61), the lateral wall of box (1) is equipped with the reservation mouth (101) that runs through, transfer line (6) one end with the outer wall of crushing barrel (4) slot rotates to be connected, and the other end passes through reservation mouth (101) is worn out outside cavity (11), the other end of transfer line (6) with the eccentric circle department of driving plate (61) rotates to be connected, just driving plate (61) is through vibrating motor (62) drive, vibrating motor (62) with the outer wall fixed connection of box (1).

3. An agricultural production substrate test sample preparation device according to claim 2, wherein: the end face of the wide opening of the crushing barrel (4) is provided with an organ type protection pipe (42), one end of the organ type protection pipe (42) is fixedly connected with the crushing barrel (4), and the other end of the organ type protection pipe faces the box opening (12) and is fixedly connected with the inner wall of the box body (1).

4. An agricultural production substrate test sample preparation device according to claim 2, wherein: the box (1) is close to the concave at least two trigger buttons (14) that are equipped with of terminal surface of case mouth (12), case lid (13) seal during case mouth (12), case lid (13) can be pressed trigger button (14), just trigger button (14) pass through controller (141) with crushing motor (3) and vibrating motor (62) electricity is connected.

5. An agricultural production substrate test sample preparation device according to claim 1, wherein: the screen mesh (5) is connected with the crushing barrel (4) through a connecting ring (7), the connecting ring (7) comprises a first half ring (71), a second half ring (72) and a fixing screw (73), arc-shaped grooves (701) with two open ends are concavely formed in inner rings of the first half ring (71) and the second half ring (72), one surface of the first half ring (71) is fixedly connected with the end surface of the narrow end of the crushing barrel (4), and first connecting pieces (711) are fixedly arranged on outer walls of two ends of the first half ring (71) respectively; the outer walls of two ends of the second half ring (72) are respectively and fixedly provided with a second connecting piece (721), the fixing screw (73) is slidably arranged on the second connecting piece (721) in a penetrating manner and then is in threaded connection with the first connecting piece (711), so that the second half ring (72) is connected with the first half ring (71) to form a circular ring, and the two arc-shaped grooves (701) are mutually connected to form a circular ring; the periphery of the screen (5) is arranged in the annular groove and is abutted against the annular groove.

6. An agricultural production matrix test sample preparation device according to claim 5, wherein: the fixing screw (73) is sleeved with an abutting spring (731), and two ends of the abutting spring (731) are respectively abutted to the fixing screw (73) and the second connecting piece (721).

7. An agricultural production substrate test sample preparation device according to claim 1, wherein: screen cloth (5) through connecting cylinder (8) with crushing cylinder (4) are connected, connecting cylinder (8) are both ends open-ended tubular structure, screen cloth (5) slide to be set up in connecting cylinder (8), the inner wall of connecting cylinder (8) one end is fixed and is provided with spacing ring (81), and other end thread bush is located the outer wall of crushing cylinder (4) narrow end, so that screen cloth (5) can all around by spacing ring (81) reach crushing cylinder (4) centre gripping.

8. An agricultural production substrate test sample preparation device according to claim 1, wherein: the side wall of the box body (1) is provided with a switch port (102) communicated with the cavity (11), the switch port (102) is of a semicircular structure, and the collecting box (51) can be embedded into the cavity (11) in a sliding mode through the switch port (102); the switch opening (102) is provided with a switch cover (9), one end of the switch cover (9) is rotatably connected with the box body (1), the other end of the switch cover (9) is connected with the box body (1) through a second buckle (91), so that the switch cover (9) seals the switch opening (102), and two sides of the collecting box (51) can be clamped between the switch cover (9) and the inner wall of the box body (1).

9. An agricultural production substrate test sample preparation device according to claim 1, wherein: case lid (13) concave fixed slot (132) that is equipped with, fixed slot (132) internal fixation is provided with connection bearing (133), case lid (13) seal during case mouth (12), crushing pole (2) are kept away from the one end of smashing sword (22) can slide the embedding in connection bearing (133).